Icom IC-756 — настройка таймера и фильтров для радиопередатчика [58/72]

Содержание

• Instruction manual p.1
• R neve p.2
• Important p.2
• Precautions p.2
• Explicit definitions p.2
• Save this instruction manual p.2
• Read this instruction manual carefull p.2
• R warning high voltage neve p.2
• Installation and connections 13 20 p.3
• Frequency setting 21 24 p.3
• Set mode 53 60 p.3
• Scans 47 50 p.3
• Receive and transmi p.3
• Q w e r p.3
• Q dc power cable opc 025a 1 w hand microphone hm 36 1 e spare fuses fgb 20 a 2 r spare fuse fgb 5 a 1 t cw keyer plug ap 330 1 p.3
• Panel description 1 12 p.3
• Options 68 p.3
• Option installations p.3
• Memory operation 41 46 p.3
• Maintenance 63 65 p.3
• Internal views 66 p.3
• Important i precautions i explicit definitions i table of contents ii unpacking ii p.3
• Unpacking p.3
• Table of contents p.3
• Clock and timers 51 52 p.3
• Specifications 67 p.3
• Accessories included with the ic 756 qty p.3
• Panel description p.4
• I front panel p.4
• Panel description p.11
• W ptt switch push and hold to transmit release to receive p.11
• Q up down switches up dn change the selected readout frequency or memory channel p.11
• Microphone connector p.11
• I microphone p.11
• Hm 36 schematic diagram p.11
• Front panel view p.11
• Do not short pin 2 to ground as this can damage the internal 8 v regulator p.11
• Caution p.11
• 34 12 34 p.12
• 00 14 05 00 p.12
• I lcd display p.12
• Usb usb p.13
• Marker marker hold hold max h max h exit exit p.13
• Level level p.13
• Vox vox off off p.13
• K 2 k 9 2 k 2 k 455 455 p.13
• Vfo vfo p.13
• I screen menu arrangement p.13
• Filter selection filter selection p.13
• Span span p.13
• Filter scan memory set p.13
• Set set name name select select exit exit p.13
• F fspan fspan fine fine exit exit p.13
• Set set mode mode p.13
• F 2 f 3 f 4 f 5 p.13
• Scan scan p.13
• Disp disp others others time time exit exit p.13
• Roll roll p.13
• Comp comp off off p.13
• Prog prog p.13
• Att att off off p.13
• P amp p amp p.13
• Ant ant p.13
• Off off p.13
• Agc agc mid mid p.13
• Mhz 9mhz 455khz 455khz def def exit exit p.13
• 34 12 34 p.13
• Meter meter p.13
• 0 14 00 0 p.13
• Memory memory p.13
• I rear panel p.14
• 1 antenna connector 1 ant1 2 antenna connector 2 ant2 pgs 13 14 accept a 50 ω antenna with a pl 259 connector p.15
• Pin name p.15
• Panel description p.15
• Note when using an optional ah 3 p.15
• Description specifications p.15
• D acc sockets p.15
• Connect it to the ant1 connector the internal antenna tuner activates for ant2 and deactivates for ant1 when connecting the ah 3 p.15
• Acc 2 pin no p.15
• Acc 1 pin no p.15
• 3 ground terminal gnd pgs 13 14 connect this terminal to a ground to prevent electri cal shocks tvi bci and other problems p.15
• R warning neve p.16
• Installation and connections p.16
• I unpacking p.16
• I selecting a location p.16
• I grounding p.16
• I antenna p.16
• Front panel p.17
• Rear panel p.17
• Installation and connections p.17
• I required connections p.17
• Rx antenna p.18
• Remote pgs 20 60 used for computer control and transceive operation p.18
• Relay alc p 17 used for connecting a non icom linear ampli fier p.18
• Rear panel p.18
• Mic the afsk modulation signal can be input from mic p 19 p.18
• Installation and connections p.18
• I advanced connections p.18
• Headphones p.18
• Front panel p.18
• External speaker p 68 p.18
• Antenna 1 2 pgs 17 18 connects a linear amplifier antenna selector etc p.18
• Ah 3 p 18 p.18
• Acc sockets p 12 p.18
• Use an optional ps 85 p.19
• To a 24 v battery p.19
• Never connect p.19
• Installation and connections p.19
• I power supply connections p.19
• Etc when operating the transceiver with ac power refer to the diagrams below p.19
• Connecting an icom dc power supply p.19
• Connecting a vehicle battery p.19
• Connecting a non icom dc power supply p.19
• Caution p.19
• Before connecting the dc power cable check the following important items make sure p.19
• I linear amplifier connections p.20
• Connecting the ic 4kl p.20
• Connecting the ic 2kl p.20
• Connecting a non icom power amplifier p.20
• Caution p.20
• Use the ant1 connector when connecting a linear amplifier p.20
• R warning p.20
• Note turn off the transceiver s antenna tuner while tuning the ic 4kl s tuner p.20
• Note the specifications for the send relay are 16 v dc 2 a if this level is exceeded a large external relay must be used p.20
• Installation and connections p.20
• Note the ah 3 can be used for the hf bands only although the ant1 connector is used for both hf and 50 mhz operation use a coaxial antenna switch when you operate the 50 mhz band with the ah 3 connected p.21
• Installation and connections p.21
• I external antenna selector or antenna tuner connections p.21
• Connecting the ic at500 through the ic 2kl p.21
• Connecting the ex 627 p.21
• Connecting the ah 3 p.21
• Afsk and sstv connections p.22
• Fsk rtty connection p.22
• For rtty operation the optional 250 hz cw narrow filters may not pass rtty signals be sure to select the appropriate if filters corresponding to the signal width p 28 p.22
• Afsk and sstv connections via microphone connector p.22
• Acc 1 socket rear panel view p.22
• When connected to the mic connector mic gain and af control adjustment is required p.22
• Use ssb or fm mode for operation p.22
• Use rtty mode for operation p.22
• To connect a terminal unit tnc or scan converter refer to the diagram below p.22
• Terminal unit tu or terminal node controller tnc p.22
• Terminal node controller tnc or scan converter p.22
• Mic connector front panel view p.22
• Installation and connections p.22
• I fsk and afsk sstv connections p.22
• Installation and connections p.23
• Ic 756 p.23
• The ci v system can be operated using the following data formats data formats differ according to com mand numbers a data area or sub command is added for some commands p.23
• Controller to ic 756 p.23
• Sub command number p.23
• Controller s address p.23
• Preamble code p.23
• Command table p.23
• Ok or ng message to controller p.23
• Command number p.23
• Ok code fb or ng code fa p.23
• Ci v connection example p.23
• Bcd code frequency or memory channel data p.23
• Ic 756 to controller p.23
• Bcd code area p.23
• Ic 756 s address p.23
• I remote jack ci v information p.23
• Fe fe e0 50 fb fa fd p.23
• Fe fe e0 50 cn sc data area p.23
• Fe fe 50 e0 cn sc data area p.23
• Up to four icom ci v transceivers or receivers can be connected to a personal computer equipped with an rs 232c port see p 60 for setting the ci v condition using set mode p.23
• End of message code p.23
• To a personal computer equipped with an rs 232c port the icom communi cation interface v ci v controls the following func tions of the transceiver p.23
• Description p.23
• The transceiver can be connected through an optional ct 17 p.23
• Data format p.23
• I when first applying power p.24
• I initial settings p.24
• Frequency setting p.24
• Cpu resetting p.24
• Usb usb p.25
• Meter meter p.25
• K 2 k 9 2 k 2 k 455 455 p.25
• I vfo description p.25
• Differences between vfo mode and memory mode p.25
• Ant ant p.25
• 0 21 25 0 1 p.25
• 0 14 23 0 vfo vfo p.25
• 0 14 00 0 vfo vfo p.25
• Vfo vfo p.25
• I frequency setting with the tuning dial p.26
• I direct frequency entry with the keypad p.26
• For ham band use p.26
• For general coverage receiver use p.26
• I advanced tuning functions p.27
• Receive and transmit p.28
• I twin pbt operation p.28
• I mode selection p.28
• I noise reduction p.29
• I noise blanker p.29
• I auto notch function p.29
• I rtty reverse mode p.30
• I cw reverse mode p.30
• I cw pitch control p.30
• I apf function p.30
• I filter selection p.31
• The shift frequency of the rit or tx function can be added subtracted to the displayed frequency p.32
• The rit function shifts the receive frequency up to 9 99 khz in 1 hz steps 10 hz steps when can celling the 1 hz step readout without moving the transmit frequency p.32
• Rit function p.32
• Receive and transmit p.32
• R to cancel the tx function push tx again p.32
• R to cancel the rit function push rit again p.32
• Q push the tx switch p.32
• Q push the rit switch p.32
• Practical example p.32
• While displaying the rit and or tx shift frequency push rit or tx for 2 sec p.32
• Note when rit and tx are on at the same time the rit tx control shifts both the transmit and receive frequencies from the displayed frequency at the same time p.32
• W rotate the rit tx control p.32
• K 2 k 9 2 k 2 k 455 455 p.32
• Vfo vfo p.32
• I rit and tx p.32
• Usb usb 14 00 0 14 00 0 p.32
• Usb usb p.32
• E to reset the tx frequency push clear for 2 sec p.32
• Tx tx rit rit p.32
• E to reset the rit frequency push clear for 2 sec p.32
• Tx function p.32
• Calculate function p.32
• The tx function shifts the transmit frequency up to 9 99 khz in 1 hz steps 10 hz steps when can celling the 1 hz step readout without moving the re ceive frequency p.32
• T push dualwatch for 2 sec p.33
• F fspan fspan fine fine exit exit p.33
• E set another desired frequency using the tuning dial r adjust bal to set a suitable signal strength bal ance between the main and sub readout frequen cies p.33
• Split split p.33
• E select vfo mode for the main readout r set the desired operating frequency for the main readout p.33
• Scanning operates only for the main readout to op erate the scan during dualwatch scan on the main readout and use the sub readout for your qso using both dualwatch and split frequency operation p.33
• During dualwatch both frequencies should be on the same band because the bandpass filter in the rf cir cuit is selected for the main readout frequency p.33
• Scanning during dualwatch p.33
• Dualwatch monitors 2 frequencies with the same mode simultaneously p.33
• Scan to select the scan screen p.33
• Dual w dual w p.33
• Scan scan p.33
• 0 21 90 0 p.33
• Rit function can be used for the main readout only tx function can be used for the transmit readout main readout when the split function is off sub readout when the split function is on p.33
• Receive and transmit p.33
• 0 14 00 0 p.33
• Q set a desired frequency w push dualwatch for 2 sec p.33
• Q program the desired programmed scan edges in the same amateur band see p 43 for program ming p.33
• Y push p.33
• Prog prog p.33
• W push split to turn the split frequency function on p.33
• Prog or p.33
• Vfo vfo p.33
• K 2 k 9 2 k 2 k 455 455 p.33
• Usb usb p.33
• I to cancel the scan push p.33
• U push p.33
• I dualwatch operation p.33
• T to transmit on the sub readout frequency push change or split p.33
• F to start the pro grammed scan or f scan respectively p.33
• I split frequency operation p.34
• When you find a dx station an important considera tion is how to set the split frequency p.35
• Operation 2 p.35
• When you receive a pile up and you want to start split fre quency operation to simplify picking out stations p.35
• Operation 1 p.35
• When you push the split switch for 2 sec split fre quency operation is turned on the sub readout is equalized to the main readout frequency and enters standby for transmit frequency input p.35
• K 2 k 9 2 k 2 k 455 455 p.35
• When you are searching for dx stations and you suspect that a dx station may say up x khz for their receive fre quency p.35
• If the dx station says down 5 khz before you enter standby for split operation push f inp 5 then split the split function is turned on and 5 khz down fre quency is entered in the sub readout p.35
• W push split for 2 sec p.35
• I quick split function p.35
• Vfo vfo p.35
• E rotate the tuning dial to set the transmit frequency or input the transmit frequency using the keypad and ent or input a shift frequency using the keypad and split p.35
• Usb usb p.35
• Appears w rotate the tuning dial to set your receive frequency in the main readout e announce your receive frequency r after you catch one of the calling stations call signs push and hold the ptt switch to respond while pushing xfc you can monitor your transmit frequency p.35
• This shortens the time needed to start split frequency operation p.35
• 0 21 90 0 p.35
• The transmit frequency can be monitored while push ing xfc or using dualwatch p.35
• 0 14 00 0 p.35
• The quick split function is on by default for your con venience it can be turned off in set mode p 56 in this case the split switch does not equalize the main and sub readout frequencies p.35
• Split frequency operation is turned on the sub readout is equalized to the main readout fre quency the sub readout enters standby for transmit frequency input p.35
• Receive and transmit p.35
• Q suppose you are operating at 21 90 mhz usb in vfo mode p.35
• Q push split momentarily and push change for 2 sec the sub readout frequency is equalized to the main readout frequency and p.35
• Q push split for 2 sec to standby for split operation w if the dx station says up 10 khz push 1 0 then split or rotate the tuning dial p.35
• Practical example p.35
• Using the vox function p.36
• I vox function p.36
• I monitor function p.36
• Adjusting the vox function p.36
• I swr reading p.37
• I speech compressor p.37
• I meter function p.37
• Exit to exit keyer set mode p.38
• Usb usb p.38
• Edit edit cw cw key key 001 001 exit exit p.38
• E push p.38
• U rotate the tuning dial to select the key polarity be tween normal and reverse polarity p.38
• Def def p.38
• The transceiver has an electronic keyer keying speed can be adjusted with key speed keying weight the ratio of dot space dash can be set from 1 1 2 to 1 1 4 in keyer set mode p.38
• Cw key to enter keyer set mode r select the dot dash ratio item using f 1 or f 2 p.38
• T rotate the tuning dial to select the keying weight p.38
• Cw cw keyer keyer setting setting p.38
• Setting the electronic keyer p.38
• 2 push p.38
• Send send p.38
• Receive and transmit p.38
• 1 rotate the tuning dial to turn the substitute paddle function on or off p.38
• Q push cw to select cw mode p.38
• 0 push f 2 to select the mic up down keyer item p.38
• O rotate the tuning dial to set the electronic keyer function to electronic keyer bug key or straight key electronic keyer off p.38
• 0 14 00 0 p.38
• Memory memory keyer keyer p.38
• Keying weight example morse code k p.38
• K 2 k 9 2 k 2 k 455 455 p.38
• I push f 2 to select the keyer type item p.38
• Y push f 2 to select the paddle polarity item p.38
• I electronic cw keyer p.38
• W push keyer to select keyer set mode p.38
• Vfo vfo p.38
• Exit exit p.38
• Transmitting memory keyer contents p.39
• Setting the contact serial number p.39
• Programming the memory keyer p.39
• I memory keyer p.39
• Clearing contact numbers p.39
• T push p.40
• For automatic antenna selection p.40
• Span span p.40
• Exit to exit the scope screen p.40
• Span one or more times to select the scope span p.40
• Exit exit def def p.40
• Scope to select the scope screen p.40
• E push p.40
• Receive and transmit p.40
• Antenna switch selection example p.40
• R push p.40
• 1ß 14 00 0 14 00 0 p.40
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w push p.40
• 0 14 95 0 p.40
• Others others set set p.40
• 0 14 00 0 p.40
• Max h to hold peak levels or not y push p.40
• Marker to select the marker or turn the marker off p.40
• Vfo vfo p.40
• Marker marker hold hold max h max h exit exit p.40
• Usb usb p.40
• Under the following conditions manual should be selected as the ant switch set mode item when using 1 antenna when using the ex 627 p.40
• K 2 k 9 2 k 2 k 455 455 p.40
• Under the following condition auto should be se lected as the ant switch set mode item when you use 2 antennas p.40
• I spectrum scope screen p.40
• To use the band memory enter set mode and confirm that auto is selected as the ant switch item p 58 p.40
• I band memory p.40
• This function allows you to display the relative strengths of signals around the center frequency the span can be set to 12 khz 25 khz 50 khz and 100 khz ideal for monitoring band conditions in an instant p.40
• Hold to freeze the current spectrum waveform u push p.40
• The transceiver covers 0 60 mhz over 10 bands each band key has a band memory which can mem orize a selected antenna ant1 ant2 ant1 rx antenna and ant2 rx antenna when you change the operating frequency beyond a band the previously used antenna is automatically selected for the new band this function is convenient when you use 2 or 3 antennas p.40
• For more than 3 antennas except for receive antenna when using an external antenna tuner p.40
• Note for accessing a repeater which requires a subaudible tone set the subaudible tone frequency in set mode refer to p 57 p.41
• K 2 k 9 2 k 2 k 455 455 p.41
• I repeater operation p.41
• I dial lock function p.41
• Fm t fm t p.41
• E push the desired band key r push fm to select fm mode t set the receive frequency repeater output fre quency p.41
• Appear in the sub readout the transmit frequency can be monitored while push ing xfc or using dualwatch p.41
• Y push split for 2 sec to start repeater operation p.41
• A repeater amplifies received signals and retransmits them at a different frequency when using a repeater the transmit frequency is shifted from the receive fre quency by an offset frequency a repeater can be ac cessed using split frequency operation with the shift frequency set to the repeater s offset frequency p.41
• Usb usb p.41
• 0 29 80 0 p.41
• U push and hold ptt to transmit release ptt to receive i to return to simplex push split momentarily to clear the sub display p.41
• The lock indicator lights when the dial lock function is in use p.41
• The dial lock function prevents accidental changes caused by the tuning dial the lock function electron ically locks the dial p.41
• Subaudible tone encoder is turned on automatically shifted transmit frequency and p.41
• Receive and transmit p.41
• Q set the offset frequencies hf 50 mhz and turn on the quick split function in set mode in advance w push vfo memo to select vfo mode p.41
• Push lock to toggle the dial lock function on and off p.41
• I antenna tuner operation p.42
• R warning high voltage p.43
• I optional external tuner operation p.43
• Antenna tuner of the ic 4kl or ic 2kl ic at500 p.43
• Ah 3 operation p.43
• Ah 3 hf automatic antenna tuner p.43
• I memory channel selection p.44
• Using the y z keys p.44
• Using the keypad p.44
• Memory operation p.44
• I memory channels p.44
• Setting a memory channel as a select memory p.45
• Selecting a memory channel using the memory channel screen p.45
• I memory channel screen p.45
• Confirming programmed memory channels p.45
• Example programming 7 88 mhz lsb into memory channel 12 p.46
• Example programming 21 80 mhz usb into memory channel 18 p.46
• E push mw for 2 sec to program the displayed fre quency and operating mode into the memory channel p.46
• W set the desired frequency and operating mode in memory mode p.46
• Beep beep beep p.46
• Vfo vfo usb usb 14 95 0 14 95 0 p.46
• 7 88 0 7 88 0 p.46
• Vfo vfo p.46
• 7 88 0 p.46
• Usb usb p.46
• 3 02 0 p.46
• Q set the desired frequency and operating mode in vfo mode w push y z several times to select the desired memory channel p.46
• 0 14 95 0 p.46
• Q select the desired memory channel with y z in memory mode p.46
• Programming in vfo mode p.46
• Programming in memory mode p.46
• Memory operation p.46
• Memory channel programming can be preformed ei ther in vfo mode or in memory mode p.46
• Lsb lsb p.46
• K 2 k 9 2 k 2 k 455 455 p.46
• I memory channel programming p.46
• Transferring in vfo mode p.47
• Transferring in memory mode p.47
• I frequency transferring p.47
• I memory names p.48
• I memory clearing p.48
• Editing programming memory names p.48
• Writing frequencies and operating modes into memo pads p.49
• Temporary pad p.49
• Memo pads p.49
• I memo pads p.49
• Calling up a frequency from a memo pad p.49
• Squelch condition p.50
• Scan speed p.50
• Scan resume on off p.50
• I scan types p.50
• I preparation p.50
• Channels p.50
• F to start the f scan p.51
• U when the scan detects a signal the scan stops pauses or ignores it depending on the resume set ting and the squelch condition i to cancel the scan push p.51
• Decimal points blink while scanning p.51
• The operating mode can also be changed while scan ning p.51
• T set rf sql open or closed p.51
• See previous page for scan condition if the rf sql control function is set as rf control the squelch always opens see pgs 2 56 for details p.51
• Scan to select the scan screen p.51
• Scan scan p.51
• R push p.51
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w select vfo mode or a memory channel e select the desired operating mode p.51
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w select vfo mode e select the desired operating mode p.51
• Prog to start the programmed scan p.51
• O when the scan detects a signal the scan stops pauses or ignores it depending on the resume set ting and the squelch condition 0 to cancel the scan push p.51
• Note if the same frequencies are programmed into the scan edge memory channel p1 and p2 programmed scan does not start p.51
• K 2 k 9 2 k 2 k 455 455 p.51
• Y set the f span by pushing p.51
• I programmed scan operation p.51
• Y push p.51
• I f scan operation p.51
• Usb usb p.51
• Fspan u set center frequency of the f span i push p.51
• Vfo vfo p.52
• Memory p.52
• Usb usb p.52
• K 2 k 9 2 k 2 k 455 455 p.52
• U when the scan detects a signal the scan stops pauses or ignores it depending on the resume set ting and the squelch condition i to cancel the scan push p.52
• I memory scan operation p.52
• The operating mode can also be changed while scan ning p.52
• I fine programmed scan fine f scan p.52
• T when the scan detects a signal the scan speed decreases but does not stop y push p.52
• Fine to start a fine scan p.52
• T set rf sql open or closed p.52
• Fine to cancel the fine scan p.52
• See p 47 for scan condition if the rf sql control function is set as rf control the squelch always opens see pgs 2 56 for details p.52
• Fine scan functions as programmed or f scan but scan speed decreases when the squelch opens and does not stop the scanning tuning step shifts from 50 hz to 10 hz while the squelch opens p.52
• Scan w set for programmed scan or f scan as described on previous page e push p.52
• Fine program scan or fine f scan ap pears p.52
• Scan to select the scan screen p.52
• F to stop the scan push p.52
• Scan scan p.52
• F to start a scan p.52
• R push p.52
• Decimal points blink while scanning p.52
• 1ß 14 00 0 14 00 0 p.52
• Q select the scan screen from the start up screen by pushing p.52
• 0 14 00 0 p.52
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w select memory mode e select the desired operating mode p.52
• Prog or p.52
• Note 2 or more memory channels must be pro grammed for memory scan to start p.52
• Y push p.52
• Memory to start the memory scan p.52
• R push p.53
• Y repeat steps r to t to program another memory channel as a select memory channel if desired u push p.53
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w select memory mode e select the desired operating mode p.53
• Y push p.53
• Q if the start up screen is not selected if f 5 s func tion is exit push f 5 one or more times to exit w select memory mode e push p.53
• Vfo vfo p.53
• Note select memory channels can also be set in the memory channel screen p 42 p.53
• Usb usb p.53
• Note 2 or more memory channels must be des ignated as select memory channels for select memory scan to start p.53
• U push p.53
• The operating mode can also be changed while scan ning p.53
• Memory to start the memory scan p.53
• T set rf sql open or closed p.53
• Memory p.53
• T push p.53
• K 2 k 9 2 k 2 k 455 455 p.53
• Select to start select memory scan push p.53
• I when the scan detects a signal the scan stops pauses or ignores it depending on the resume set ting and the squelch condition o to cancel the scan push p.53
• Select to set the memory channel as a select memory or not p.53
• I setting select memory channels p.53
• Select again to return to memory scan if desired p.53
• I select memory scan operation p.53
• See p 47 for scan condition if the rf sql control function is set as rf control the squelch always opens see pgs 2 56 for details p.53
• Exit to exit the scan screen p.53
• Scan to select the scan screen p.53
• Decimal points blink while scanning p.53
• Scan scan p.53
• 1ß 14 00 0 14 00 0 p.53
• S appears for select memory channels p.53
• 0 14 00 0 p.53
• R select the desired memory channel to set as se lect memory channel p.53
• Vfo vfo p.54
• Usb usb p.54
• Timer set timer set p.54
• Set set p.54
• K 2 k 9 2 k 2 k 455 455 p.54
• I setting the current time p.54
• I setting power on time p.54
• Exit exit p.54
• Clock and timers p.54
• 1ß 14 00 0 14 00 0 p.54
• 0 14 00 0 p.54
• I timer operation p.55
• I setting power off period p.55
• Vfo vfo p.56
• 34 12 34 p.56
• Usb usb p.56
• 1ß 14 00 0 14 00 0 p.56
• Timer set timer set p.56
• 0 14 00 0 p.56
• Set set mode mode p.56
• Set mode operation p.56
• Set mode p.56
• Scope scope p.56
• Others set others set p.56
• Level set level set p.56
• K 2 k 9 2 k 2 k 455 455 p.56
• I set mode description p.56
• Filter filter scan scan memory memory set set p.56
• Exit exit p.56
• Display set display set p.56
• Disp disp others others time time exit exit level level p.56
• Def def p.56
• Tx tone bass p.57
• Tx tone treble p.57
• Monitor p.57
• I level set mode p.57
• I display set mode p.57
• Contrast lcd p.57
• Backlight switches p.57
• Backlight lcd p.57
• Time now p.58
• Power on timer set p.58
• Power off period p.58
• I timer set mode p.58
• I miscellaneous others set mode p.58
• Filter 9mhz p.58
• Filter 455khz p.58
• Calibration marker p.58
• Scan speed p.59
• Scan resume p.59
• Rf sql control p.59
• Quick split p.59
• Quick dualwatch p.59
• I miscellaneous others set mode p.59
• Beep confirmation p.59
• Beep band edge p.59
• Set mode p.60
• See p 31 for split frequency operation details p.60
• I miscellaneous others set mode p.60
• Fm subaudible tone p.60
• Fm split offset hf p.60
• Fm split offset 50m p.60
• Continued p.60
• When this item is on the tuning dial can be used to adjust the transmit frequency while pushing xfc even while the lock function is activated p.60
• Available subaudible tones p.60
• When off is selected the tuner remains off even when the swr is poor 1 3 when on is se lected automatic tune starts even when the tuner is turned off p.60
• Tuner auto start p.60
• This item sets the offset difference between transmit and receive frequencies for the quick split function however this setting is used for hf bands in fm mode only and is used to input the repeater offset for an hf band p.60
• This item sets the offset difference between transmit and receive frequencies for the quick split function however this setting is used for 50 mhz band fm mode only and is used to input the repeater offset for the 50 mhz band p.60
• This item selects a subaudible tone for fm t mode operation to access a repeater there are 50 tones available from 67 hz to 254 hz see table at right p.60
• The offset frequency can be set from 4 mhz to 4 mhz in 1 khz steps p.60
• The internal antenna tuner has an automatic start ca pability which starts tuning if the swr is higher than 1 3 in the hf bands p.60
• Split lock p.60
• Tuner ptt start p.61
• Rtty shift width p.61
• Rtty mark freq p.61
• Rtty keying polarity p.61
• I miscellaneous others set mode p.61
• Ant switch p.61
• I miscellaneous others set mode p.62
• Speech synthesizer p.62
• Speech speed p.62
• Speech s level p.62
• Scope during tx p.62
• Mic up down speed p.62
• Memo pad numbers p.62
• Ci v address p.63
• I miscellaneous others set mode p.63
• Ci v with ic 731 p.63
• Ci v transceive p.63
• Ci v baud rate p.63
• Option installations p.64
• I ut 102 p.64
• I opening the transceiver s case p.64
• Caution p.64
• I cr 502 p.65
• I optional if filters p.65
• The following chart is designed to help you correct problems which are not equipment malfunctions if you are unable to locate the cause of a problem or solve it through the use of this chart contact your nearest icom dealer or service center p.66
• Maintenance p.66
• I troubleshooting p.66
• I fuse replacement p.67
• I clock backup battery replacement p.67
• Caution p.67
• I tuning dial brake adjustment p.68
• I frequency calibration p.68
• Caution p.68
• Approximate p.68
• 9 99 0 p.68
• Top view p.69
• Internal views p.69
• Bottom view p.69
• I antenna tuner p.70
• Specifications p.70
• I transmitter p.70
• I receiver p.70
• I general p.70
• Ic at50 p.71
• Hf automatic antenna tuner p.71
• Hf 1 kw linear amplifier p.71
• Hand microphone p.71
• Fl 52a fl 53a fl 222 and fl 257 p.71
• Fl 100 fl 101 fl 223 and fl 232 p.71
• External speaker p.71
• Desktop microphone p.71
• Dc power supply p.71
• Ci v level converter p.71
• Automatic antenna selector p.71
• Voice synthesizer unit p.71
• Antenna element p.71
• Satellite interface unit p.71
• Options p.71
• Mhz filters p.71
• Khz filters p.71
• Count on us p.72
• 9 16 kamihigashi hirano ku osaka 547 japan p.72