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Icom IC-7410 [31/124] Selecting vfo memory mode
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BASIC OPERATION
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■ VFO description
The IC-7410 has two VFOs; “A” and “B,” that are con-
venient for quickly selecting two frequencies, or split
frequency operation. You can use either VFO to call up
a frequency and operating mode.
VFO is an abbreviation of Variable Frequency Oscil-
lator.
D Selecting the VFO A/B
➥ Push [A/B] to switch between the VFO A and
VFO B.
•“VFOA”or“VFOB”appearswhentheVFOisselected.
D VFO equalization
➥ Hold down [A=B] for 1 second to equalize the data
in both VFOs.
•Threebeepssoundwhentheequalizationiscomplete.
CONVENIENT!
Use two VFOs as quick memories:
When you find a new station, but wish to continue
searching, the dual VFO system can be used for quick
memory storage.
q Hold down [A=B] for 1 second to store the displayed
data into the undisplayed VFO.
w Continue searching for stations.
e Push [A/B] to show the stored data on the undis-
played VFO.
r To continue searching for stations, push [A/B] again
to show the displayed VFO.
■ Selecting VFO/Memory mode
➥ Push [VFO/MEMO] to toggle between the VFO
and Memory modes.
•“VFOA” or “VFOB” appears when in the VFO mode.
“MEMO” appears when in the Memory mode.
•Holding down [VFO/MEMO] for 1 second copies the
contents of the selected Memory channel into the dis-
played VFO. (p. 72)
AGC TBW SCP
M1
AGC TBW SCP
M1
The selected VFO icon The memory icon
[A/B] [A=B]
AGC TBW SCP
M1
AGC TBW SCP
M1
AGC TBW SCP
M1
q Hold down [A=B]
e Push [A/B]
Displayed VFO
Undisplayed VFO
[VFO/MEMO]
The selected VFO icon
Содержание
- Caution 2
- Explicit definitions 2
- Fcc information 2
- Features 2
- Foreword 2
- Important 2
- Read this instruction manual carefull 2
- Save this instruction manual 2
- Supplied accessories 2
- Be careful 3
- Caution 3
- Caution neve 3
- Caution never 3
- Precautions 3
- R danger high rf voltage never 3
- R warning 3
- R warning neve 3
- R warning never 3
- Table of contents 4
- Table of contents 5
- Table of contents 6
- Table of contents 7
- Front panel 8
- Panel description 8
- Rear panel 15
- Acc socket 17
- D acc socket information 17
- Panel description 17
- When connecting the acc conversion cable opc 599 17
- When the send terminal controls an inductive load such as a relay a counter electromotive force can cause the transceiver s malfunction or damage to prevent this we recommend adding a switching diode such as an 1ss133 on the load side of the circuit to the counter electromotive force absorption when the diode is added a switching delay of the relay may occur be sure to check its switching action before operation 17
- Lcd display 18
- Function display 20
- Function keys on m1 menu 1 20
- M1 menu 1 20
- Function keys on m2 menu 2 21
- M2 menu 2 21
- Antenna connection 22
- Antenna swr 22
- Grounding 22
- Installation and connections 22
- Selecting a location 22
- D front panel 23
- D rear panel 23
- Required connections 23
- Advanced connections 24
- D front panel 24
- D rear panel 24
- Caution 26
- Connecting to a dc power supply 26
- D connecting to a non icom dc power supply 26
- D connecting to the ps 126 dc power supply 26
- Power supply connections 26
- D connecting the ic pw1 pw1euro 27
- Linear amplifier connections 27
- D connecting a non icom linear amplifier 28
- R warning 28
- Caution do no 29
- D hm 36 29
- D sm 50 option 29
- Microphone connector information 29
- Microphones 29
- Basic operation 30
- Before first applying power 30
- Turning on cpu resetting 30
- D selecting the vfo a b 31
- D vfo equalization 31
- Selecting vfo memory mode 31
- Vfo description 31
- D using the band stacking registers 32
- Selecting a frequency band 32
- Basic operation 33
- D direct frequency entry with the keypad 33
- D tuning with dial 33
- E push f inp ent to set the input frequency 33
- Example 33
- Frequency setting 33
- If the dial lock function is on is displayed and dial does not function in this case push lock to turn off the dial lock function p 61 33
- Q push f inp ent to enter frequencies with the keypad 33
- Q select the desired frequency band 33
- The transceiver has a keypad for direct frequency entry as described below 33
- W push the numeric keys to input the desired fre quency 33
- W rotate dial to set the desired frequency 33
- You can select the transceiver s frequency by using dial or you can enter it using the keypad 33
- D quick tuning function 34
- D selecting 1 hz step 34
- Tuning step function 34
- D about the 5 mhz frequency band operation usa version only 35
- D auto tuning step function 35
- D band edge warning beep 36
- D programming the user band edge 37
- Basic operation 38
- Operating mode selection 38
- Rotate the af control clockwise to increase the audio output level counterclockwise to decrease it 38
- See the diagram to the right for the order of selection 38
- Selecting the am fm mode push am fm to alternately select the am or fm mode 38
- Selecting the cw mode push cw to alternately select the cw or cw r cw reverse mode 38
- Selecting the rtty mode push rtty to alternately select the rtty or rtty r rtty reverse mode 38
- Selecting the ssb mode push ssb to alternately select the usb or lsb mode 38
- Setting in the set mode p 89 38
- The usable operating modes in the ic 7410 are listed to the right you can select the desired operating mode by push ing the appropriate mode switch 38
- Usable operating modes 38
- Volume setting 38
- When the data mode is selected you can mute the microphone signals depending on the data mod 38
- Squelch and receive rf sensitivity 39
- Basic operation 40
- Initial values for the voice synthesizer parameters speechlevel 50 speechlanguage english speechspeed high speechs level on speechmodesw off 40
- Meter display selection 40
- Push a mode switch to announce the appropriate mode when the speech mode sw item is set to on in the set mode p 87 40
- Push speech to announce the s meter level and currently selected frequency 40
- The ic 7410 has a built in voice synthesizer to an nounce the operating frequency mode and s meter level in clear electronically generated voice in eng lish or japanese first select the desired parameters to be announced in the set mode p 87 40
- The transceiver has four transmit meter functions for your convenience in addition to po and alc you can display the swr or comp meter by holding down ant meterfor1second 40
- Voice synthesizer operation 40
- Basic transmit operation 41
- Caution 41
- D microphone gain adjustment 41
- D transmitting 41
- Operating ssb 42
- Receive and transmit 42
- Operating cw 43
- D about cw pitch control 44
- D about keying speed 44
- D about the cw reverse mode 44
- D cw sidetone function 44
- D memory keyer send menu 46
- D editing a memory keyer 47
- Count up trigger 2 48
- D contest number set mode 48
- Number style 1 48
- Present number 3 48
- D keyer set mode 49
- Dot dash ratio 5 49
- Keyer 3 49
- Message display 4 49
- Repeat time 49
- Rise time 6 49
- Side tone l limit 2 49
- Side tone level 1 49
- Keyer type 8 50
- Mic up down keyer 9 50
- Paddle polarity 7 50
- Operating rtty fsk 51
- D rtty menu construction 52
- Q push rtty to select the rtty mode 52
- Receive and transmit 52
- Rtty functions 52
- The rtty menu has a number of convenient functions for rtty operation 52
- W push menu to display the m1 screen menu 1 e push rtty f 4 to display the rtty screen r push dec f 2 tpf f 4 or set f 5 to select the desired menu see the diagram below 52
- D about the rtty reverse mode 53
- D rtty decoder 53
- D twin peak filter 54
- D rtty set mode 55
- Decode new line 5 55
- Decode screen 6 55
- Decode usos 4 55
- Rtty keying pol 3 55
- Rtty mark freq 1 55
- Rtty shift width 2 55
- Operating am fm 56
- Available tone squelch frequencies 57
- Q push am fm once or twice to select the fm mode w push menu to display the m1 screen menu 1 e push ton f 4 one or more times to turn on the tone squelch function 57
- R hold down ton f 4 for 1 second to display the ton screen tone 57
- Receive and transmit 57
- T rotate dial to select the desired tone squelch frequency see the table shown below 57
- The tone squelch opens only when you receive a sig nal containing a matching subaudible tone you can silently wait for calls from others using the same tone 57
- Tone squelch operation 57
- Y push menu to save and exit the ton screen u communicate in the usual manner 57
- Repeater operation 58
- Tone scan operation 58
- D repeater access tone frequency setting 59
- D transmit frequency monitor check 59
- D rit monitor function 60
- Functions for receive 60
- Rit function 60
- E push f 5 one or more times to select the desired sweep step 61
- Functions for receive 61
- Note if you select a large sweep step a wide frequen cy range can be displayed on the band scope but some signals may be skipped and not displayed 61
- Q rotate dial to select a frequency w push menu to display the m1 screen menu 1 then push scp f 5 to display the scp screen band scope 61
- R push f 1 to start sweeping then automatically stop after sweeping 61
- Simple band scope 61
- T rotate dial to find a signal that you wish to com municate with if you find the signal communicate in the normal way 61
- The band scope function allows you to visually check the location and strength of signals around a specified frequency the ic 7410 s band scope function can be used in any operating mode and any frequency band 61
- The band scope measures receive signal location and strength over a specified range on either side of a selected frequency in either the vfo or memory modes 61
- Y if you want to update the band conditions while re ceiving repeat steps e and r 61
- Attenuator 62
- Preamplifier 62
- Agc function 63
- D agc speed selection 63
- D setting the agc time constant 63
- Bw f 1 64
- D filter passband width setting 64
- D if filter selection 64
- E push filter one or more times to select if filter 1 2 or 3 r push bw f 1 then rotate dial to adjust the de sired passband width 64
- Fil screen display 64
- Functions for receive 64
- If filter selection 64
- Mode ssb cw rtty am q hold down filter for 1 second to display the fil screen filter to set the filter passband width w select either the ssb cw rtty or am mode 64
- Q select the desired mode w push filter one or more times to select if filter 1 2 or 3 64
- T repeat steps w to r if desired y push menu to save and exit the fil screen 64
- The filter selection is automatically memorized in each mode the pbt shift frequencies are automatically memo rized in each filter 64
- The pbt shift frequencies are cleared when the passband width is changed 64
- The transceiver has 3 passband width if filters for each mode 64
- Then pus 64
- This fil screen filter graphically displays the pbt shift frequencies and passband width 64
- To set it 64
- While adjusting the passband width 64
- D 1st if filter selection 65
- D if dsp filter shape 65
- Twin pbt operation 66
- D nb set mode 67
- Meter peak hold function 67
- Nb depth 1 67
- Nb width 2 67
- Noise blanker 67
- Dial lock function 68
- Noise reduction 68
- Notch function 68
- Functions for transmit 69
- Vox function 69
- Break in function 70
- D full break in operation 70
- D semi break in operation 70
- Speech compressor 71
- Transmit filter width selection 71
- D tx monitor function 72
- Monitor function 72
- Tx function 72
- Split frequency operation 73
- After holding down split 74
- D split lock function 74
- E while holding down xfc rotate dial to set the transmit frequency 74
- Functions for transmit 74
- Q suppose you are operating at 21 90 mhz usb in vfo a w hold down split for 1 second 74
- Q while split frequency operation is on push lock to turn on the split lock function 74
- Quick split function 74
- The quick split function is on by default for your convenience it can be turned off in the set mode p 86 in this case holding down split does not equalize the vfo a and vfo b frequencies 74
- The split lock function is convenient for changing only the transmit frequency when the split lock function is not used accidentally releasing xfc while rotating dial changes the receive frequency the split lock function is off by default set the split lock item to on in the set mode p 86 74
- W while holding down xfc rotate dial to change the transmit frequency 74
- When you hold down split for 1 second the split frequency operation is turned on the undisplayed vfo is automatically changed according to the plus minus frequency shift programmed in the set mode or equalized when 0 khz default setting is programmed as the split frequency shift p 86 74
- D plot measurement 75
- D spot measurement 75
- Measuring swr 75
- D memory channel contents 76
- D selection in the memory mode 76
- D selection in the vfo mode 76
- General description 76
- Memory channel selection 76
- Memory operation 76
- D programming in the memory mode 77
- D programming in the vfo mode 77
- Memory channel programming 77
- Memory clearing 78
- D copying in the memory mode 79
- D copying in the vfo mode 79
- Memory contents copying 79
- Memory name programming 80
- D calling up a memo pad 81
- D writing the displayed data into a memo pad 81
- Memo pad function 81
- Scan types 82
- Preparation 83
- Voice squelch control function 83
- Scan resume 2 84
- Scan set mode 84
- Scan speed 1 84
- D about the fine programmed scan 85
- Programmed scan fine programmed scan vfo mode 85
- D memory scan 86
- Memory scan memory mode 86
- All memory channels can be set as select memory channels except for the scan edge channels 87
- D select memory scan 87
- D setting cancelling select memory channels 87
- E push mem f 1 to cancel the scan 87
- Note to start a select memory scan two or more memory channels must be designated as select memory channels 87
- Q start a memory scan 87
- Select memory scan searches for signals through memory channels programmed as sel select 87
- W while scanning push sel f 3 to switch the scan function between a memory scan and a select memory scan 87
- When the scan screen is displayed push sel f 3 or when the mem screen memory menu is displayed push sel f 5 to set or cancel the displayed memory channel as a select memory channel 87
- D about the fine f scan 88
- F scan and fine f scan 88
- Antenna connection and selection 89
- Antenna tuner operation 89
- Antenna tuner operation 90
- D manual tuning 90
- D tuner operation 90
- Caution neve 91
- Optional external tuner operation 91
- R danger high voltage neve 91
- Band edge beep 6 92
- Beep 5 92
- Beep level 3 92
- Beep level limit 4 92
- D the set mode settings 92
- Lcd backlight 2 92
- Lcd contrast 1 92
- Set mode 92
- Set mode description 92
- Beep sound 8 93
- Fm split offset 50 14 93
- Fm split offset hf 13 93
- Meter peak hold 10 93
- Quick split 12 93
- Rf sql control 9 93
- Split lock 15 93
- Tot ci v 11 93
- Tuner auto start 16 93
- User band edge 7 93
- Ant switch 19 94
- Main dial auto ts 26 94
- Memopad numbers 25 94
- Speech language 21 94
- Speech level 20 94
- Speech mode sw 24 94
- Speech s level 23 94
- Speech speed 22 94
- Tuner preset clear 18 94
- Tuner ptt start 17 94
- Bw popup fil 33 95
- Bw popup pbt 32 95
- Cw normal side 35 95
- External keypad 37 95
- Keyer 1st menu 36 95
- Mic up down speed 27 95
- Mn q popup mn on 31 95
- Notch sw am 30 95
- Notch sw ssb 29 95
- Quick rit clear 28 95
- Ssb cw sync tuning 34 95
- Calibration marker 47 96
- Ci v address 43 96
- Ci v baud rate 42 96
- Ci v transceive 44 96
- Data mod 41 96
- Data off mod 40 96
- Ref adjust 48 96
- Rtty decode baud 46 96
- Usb audio sql 38 96
- Usb mod level 39 96
- Usb serial func 45 96
- D the tone control set mode settings 97
- Rx bass 3 97
- Rx hpf lpf 1 97
- Rx hpf lpf 2 97
- Rx treble 4 97
- Tbw wide h 8 97
- Tbw wide l 7 97
- Tone control set mode description 97
- Tx bass 5 97
- Tx treble 6 97
- Tbw mid h 10 98
- Tbw mid l 9 98
- Tbw nar h 12 98
- Tbw nar l 11 98
- Connections 99
- Data communication 99
- When using a pc application 99
- When using a tnc 99
- Frequency display during afsk operation 100
- Packet afsk operation 100
- Opening the transceiver s case 101
- Option installation 101
- Fl 430 fl 431 102
- Installation 102
- St if filte 102
- Maintenance 103
- Troubleshooting 103
- D display 104
- D scanning 104
- Dial tuning tension adjustment 104
- Maintenance 104
- Problem possible cause solution ref 104
- The tuning tension of dial may be adjusted to suit your preference the tension adjustment is located on the bottom side of the front panel see the figure to the right slide the tension adjustment to a comfortable level while turning the dial continuously and evenly in one direction 104
- Troubleshooting continued 104
- Tuning tension adjustment 104
- About protection displays 105
- Approximate 105
- Frequency calibration 105
- D circuitry fuse replacement 106
- D dc power cable fuse replacement 106
- Fuse replacement 106
- D all reset 107
- D partial reset 107
- Resetting the cpu 107
- Control command 108
- D ci v connection example 108
- D data format 108
- Remote jack ci v information 108
- Control command 109
- D command table 109
- Control command 110
- D command table continued 110
- Control command 111
- Control command 112
- D command table continued 112
- Band edge frequency setting 113
- Band stacking register 113
- Character code setting 113
- Command 00 03 05 113
- Command 01 04 06 113
- Command 02 1e 01 1e 03 113
- Command 1a 00 113
- Command 1a 01 113
- Control command 113
- D data content description 113
- Edge number setting is not necessary with com mand 02 113
- Filter setting w can be skipped with command 01 and 06 in that case fil1 is automatically selected with command 01 and the default filter setting of the operating mode is selected with command 06 113
- For example when reading the oldest contents in the 21 mhz band the code 0703 is used 113
- Operating frequency 113
- Operating mode 113
- Q frequency band code 113
- W register code 113
- When sending the contents the codes such as op erating frequency and operating mode should be added after the register code as shown above see memory content setting r to 8 for details p 108 113
- Character scode 114
- Command 17 up to 30 characters while transmitting in the cw mode or if the break in function is on the transceiver transmits cw code when the pc sends command 17 to send cw messages the following character codes are used character scode 114
- Command 1a 02 114
- Command 1a 05 0012 0013 114
- Command 1a 05 0045 0053 0058 0063 0064 114
- Command 1a 05 0050 0051 0052 114
- Control command 114
- Cw message contents 114
- D data content description continued 114
- Ff stopssendingcwmessages isusedtotransmitastringofcharacterswith no inter character space 114
- Memory keyer contents 114
- Rx hpf and lpf settings in each operating mode 114
- Split offset frequency setting 114
- Ssb transmission bandwidth setting 114
- Data mode with filter width setting 115
- Memory content setting 115
- Repeater tone tone squelch frequency setting 115
- General 116
- Specifications 116
- Transmitter 116
- Antenna tuner 117
- Receiver 117
- Specifications 117
- Ic pw1 euro hf 50 mhz all band 1 kw linear amplifier 118
- Options 118
- Ps 126 118
- These filters reduce interference from strong nearby signals 118
- As different exposure limits have been recommended for different frequencies a relative table shows a guideline for installation considerations 120
- Below 30 mhz the recommended limits are specified in terms of v m or a m fields as they are likely to fall within the near field region similarly the antennas may be physically short in terms of electrical length and that the installation will require some antenna matching device which can create local high inten sity magnetic fields analysis of such mf installations is best considered in association with published guid ance notes such as the fcc oet bulletin 65 edition 97 01 and its annexes relative to amateur transmitter installations the ec recommended limits are almost identical to the fcc specified uncontrolled limits and tables exist that show pre calculated safe distances for different antenna types for different frequency bands further information can be found at http www arrl org 120
- For amateur base station installations it is recom mended that the forward clearance in front of the an tenna array is calculated relative to the eirp effective isotropic radiated power the clearance height below the antenna array can be determined in most cases from the rf power at the antenna input terminals 120
- For the bands 10 mhz and higher the following power density limits have been recommended 10 50 mhz 2 w sq m 120
- Forward clearance by eirp output 100 watts 2 m 1000 watts 6 m 10 000 watts 20 m 100 000 watts 65 m 120
- In all cases any possible risk depends on the trans mitter being activated for long periods actual recom mendation limits are specified as an average during 6 minutes normally the transmitter is not active for long periods of time some radio licenses will require that a timer circuit automatically cuts off the transmitter after 1 2 minutes etc 120
- Installation notes 120
- List of country codes iso 3166 1 120
- Similarly some modes of transmission ssb cw am etc have a lower average output power and the as sessed risk is even lower 120
- The figures assume the worst case emission of a con stant carrier 120
- This warning symbol indicates that this equipment operates in non harmonised frequency bands and or may be subject to licensing conditions in the country of use be sure to check that you have the correct version of this radio or the correct program ming of this radio to comply with national licensing requirement 120
- Typical amateur radio installation exposure distance assumes that the predominant ra diation pattern is forward and that radiation vertically downwards is at unity gain sidelobe suppression is equal to main lobe gain this is true of almost every gain antenna today exposed persons are assumed to be beneath the antenna array and have a typical height of 1 m 120
- Versions of the ic 7410 which display the ce symbol on the serial number label comply with the essential requirements of the european radio and telecommunica tion terminal directive 1999 5 ec 120
- Vertical clearance by eirp output 1 watts 2 m 10 watts 2 m 25 watts 3 m 100 watts 5 m 1000 watts 12 m 120
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