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IC-775DSP
Инструкция по эксплуатации Страница: 62

Icom IC-775DSP [62/67] Internal views

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Important explicit definitions 2
Precautions 2
Unpacking 2
Table of contents 3
Front panel 4
Function 4
Panel description 4
Function 5
Function 6
Function 7
Setting procedure 7
Audio peak filter control apf 10
Clear switch clear p 32 10
Clears the rit zi tx shift frequency 10
Dtx switch zl tx p 32 10
Function 10
Inner control p 30 varies the peak frequency of the audio peak filter to pick out a cw signal from interference while the apf switch is on 10
Panel description 10
Rit switch rit p 32 10
Rit zitx control rit zltx p 32 10
Scan switch scan p 53 10
Shifts the receive and or transmit frequency while the rit and or j tx functions are on 10
Starts and stops a scan 10
Turns the rit function on and off 10
Turns the z1tx function on and off 10
Function 11
Filter switch condition and selected filters 12
Filter switches wide nar 455k 12
Function 12
Nar9m p 31 select the if filters 12
P 28 adjust the receiver s passband width of the 455 khz and 9 mhz if filters for the inner and outer controls respectively 12
Panel description 12
Passband tuning controls twin pbt 12
Simplified example of the pbt function 12
Function display 13
Rear panel 14
Ac fuse holder fuse p 56 15
Ac power socket ac p 15 15
Acc sockets 15
Alc input jack alc p 17 15
Connects the supplied ac power cable to an ac outlet 2 versions are available 100 120 v ac 50 60 hz version 220 240 v ac 50 60 hz version 15
Connects to the alc output jack of a non lcom linear amplifier 15
Earning 15
Fin no 15
Fuse this could cause a fire 15
His could cause a fire or ruin the transceiver 15
Holds a fuse for the internal ac power supply 100 120 v versions 12 a fgmb 220 240 v versions 5 a 15
Ids the suggested voltage for each ver 15
Never apply ac voltage 15
Never use a non rated 15
Panel description 15
Pin name description specifications 15
Pl c 1 15
Pm name description specifications 15
Rear panel 15
Technical information 15
Warning 15
Caution do not short pin 2 to ground as this can damage the internal 8 v regulator 16
Change the main readout frequency or memory channel 16
Hm 36 schematic diagram 16
Microphone connector 16
Microphone optional hm 36 16
O up down switches up dn 16
Panel description 16
Ptt switch p 22 16
Push and hold to transmit release to receive 16
Technical information 16
Antenna 17
Arning never 17
Grounding 17
Installation and connections 2 17
Selecting a location 17
Unpacking 17
Front panel 18
Installation and connections 18
Rear panel 18
Required connections 18
Advanced connections 19
Front panel 19
Installation and connections 2 19
Caution 20
Connecting a non icom linear amplifier 20
Connecting the ic 2kl 20
Connecting the ic 4kl 20
Installation and connections 20
Linear amplifier connections 20
Note 1 the specifications for the send relay are 24 v dc 1 a if this level is exceeded a large external relay must be used 20
Note 2 the alc output level of the linear amplifier must be in the range 0 v to 4 v and the trans ceiver does not accept positive voltage 20
P caution 20
Use the anti connector when connecting a linear amplifier 20
External antenna selector or antenna tuner connections 21
Transverter jack information 21
According to the afsk system modulation may become shallow or not occur at all turn the psn 22
Afsk and sstv connections 22
Afsk and sstv connections via microphone connector 22
For dsp equipped type when operating afsk or sstv in ssb mode the 22
For rtty operation 22
Fsk and afsk sstv connections 22
Fsk rtty connection 22
Installation and connections 22
Modulation off p 41 to cancel the transmit filter in this case 22
Priate if filters corresponding to the signal width 22
The optional 250 hz cw narrow filters may not pass rtty signals be sure to select the appro 22
To connect a terminal unit tnc or scan converter refer the diagram below 22
Transmit 2 khz low pass filter is activated at its p default setting p 42 22
Ascii code for command 17 acceptable characters a z 0 9 _ and space _______ 23
Cl v connection example the transceiver can be connected through an op tional ct 17 cl v level converter to a personal computer equipped with an rs 232c port the icom communication interface v cl v controls the follow ing functions of the transceiver 23
Command table 23
Continues the next letter without a space e g 23
Controller to ic 775 dsp 23
Data format the cl 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 23
Ic 775 dsp to controller 23
Installation and connections 2 23
Ng message to controller 23
Ok message to controller 23
Os sos 23
Remote jack cl v information 23
Up to four icom cl v transceivers or receivers can be connected to a personal computer equipped with an rs 232c port see p 48 for setting the cl v condi tion using the h set mode 23
After resetting the transceiver set controls and switches as shown in the figure below 24
Before first applying power make sure all connec tions required for your system are complete by referr ing to section 2 then reset the transceiver using the following procedure 24
Correct the set mode settings after resetting optional filter settings in h set mode p 47 24
Cw max clockwise ccw max counterclockwise 24
Im 3 basic operation 24
Initial settings 24
Iu 1пп пп ii iuu uu 24
Note resetting clears all programmed con tents in memory channels and returns programmed values in the p set and h set modes to default values 24
Power on 24
T make sure the transceiver power is off while pushing clear push in power to turn 24
Turn power on then check the display if any of the following indicators appear turn them off as follows 24
When first applying power cpu resetting 24
Basic ssb am operation basic fm operation 25
Basic cw operation 26
Basic fsk rtty operation 26
Vfo description 27
2 input the desired frequency 28
3 select the desired operating mode with the mode 28
Basic operation 28
Direct frequency entry with the keypad 28
Example 28
For general coverage receiver use push gene on the keypad 1 3 times 28
For ham band use j push the desired band key on the keypad 1 3 28
Frequency setting with the main dial 28
Function 28
I снос nn 28
Inn nn iuu uu 28
Main readout and the main dial does not function in this case push main lock to deactivate the dial lock function 28
P note if the main dial lock function is activated ieq3 is indicated in the 28
Push ent to enter the input frequency 28
Push main f inp 28
Rotate the main dial to set the desired frequency 28
Switches 28
The transceiver has a keypad for direct frequency entry as described below 28
Zinn пп c i cuu uu 28
Advanced tuning functions 29
Ю юс п пп 29
4 function operations 30
Memo pad operation 30
If notch operation 31
Twin pbt operation 31
Auto notch function 32
Cw pitch control 32
Noise reduction 32
P set mode 32
Apf operation 33
Noise blanker 33
Assband width 34
Check the interference tone 34
Cw r mode 34
Cw reverse mode 34
Filter selection 34
Filter selection and p 34
Filter switch 9 mhz if filter 455 khz if filter 34
Filter switch condition and selected 34
Filter switch constru 34
Filters 34
Function operations 34
Iction 34
Medium medium 34
Medium narrow 34
Medium wide 34
Mhz and 455 khz if filters 34
Narrow medium optional filters 34
Narrow narrow passband width are shown at 6 db the optional 250 hz cw narrow filters may not pass rtty signals 34
Narrower if filter for the 9 mhz or 455 khz if filter respectively 34
Once or twice to select cw or 34
Push cw 34
Push nar 9m or nar 455k to select the 34
Push wide to select the wider if filters for the 9 34
Receive audio tone response 34
Shown in the table at right below 34
The cw r cw reverse mode receives cw sig nals with a reverse side cw carrier point like that of lsb and usb modes 34
The filter selection is automatically memorized in each mode 34
The filter switches select the if passband width as i 34
Use when interference signals are near the desired signal and you want to change the interference tone 34
When an optional filter is installed set the optional filter setting in h set mode p 47 optional filters cannot be selected with default setting 34
Wide does not function in fm mode the switch conditions are memorized in each mode 34
Wide medium 34
Wide wide 34
Practical example 35
Rit and zitx 35
Convenient 36
In nn iu uu 36
Quick split function 36
Split frequency operation 36
5 push split twice to cancel the function 37
Channelized split operation 37
Channelized split operation allows you to set a 37
Function operations 4 37
I c ju uu______________ 37
I i ijj uu 37
I iu pnn nn 37
I zion nn 37
Ii ijj uu 37
Ijj lili 37
Iu ioc nn 37
L 13 05 0 37
N cuu uu 37
Nelized split operation on 37
Practical example 37
Push split again for 2 sec to turn the chan 37
Push sub m ch up m ch dn one or more 37
Quency steps equivalent to the split shift frequency from the receive frequency during split frequency operation the channelized split shift frequency can be programmed from 1 99 khz and can be shifted up to 99 khz 37
Set the receive frequency push split to turn the split frequency opera 37
Times to shift the transmit frequency in the pre programmed frequency steps 37
Tion on 37
Tor nn i i 37
Transmit frequency in the pre programmed ire s 37
Xample split shift frequency 5 khz 37
Dualwatch operation 38
I iu zi in nn lot in c iu uu 38
Monitor function 38
Meter function 39
Speech compressor 39
Swr reading 39
Vox operation 39
Electronic cw keyer 40
Memory keyer 40
P set mode 40
Repeater operation 41
Antenna tuner operation 42
Band memory for automatic antenna selection 43
Dial lock function 43
Iu jjn nn 43
Piul rnt 5 el 43
Br 1 3h e 44
Brl3he 44
Ds pun e 44
El els ee 44
I 5 set mode 44
P set mode 44
Pu sh see 44
Set mode description 44
G____________________prdle 45
Prr______________ 45
Ud prd 45
_____________ t lpf 45
Do__________________erl______ 46
Heb_________________pl eer 46
N b p__________________ 5eleele 46
Ncs ee 46
O___________________ rbeu 46
R rbbb p 46
Ripp_________________ erl 46
Suu _________________p beh 46
Ens f speech 47
H set mode 47
Off _________________ sc res 47
On sc res 47
On__________________ ts ru e 47
Speech 47
Upn ei speech 47
Upn f speech 47
Dd spd 48
H___________________scspd 48
La __________________ sc spd 48
Lu________________ prd ch 48
Prd ch 48
Rn e s el 48
Rnt sel 48
Ud spd 48
_______ 48
R 5pl 1 t 49
R durl 49
A bhud 51
Cl 13 1 51
H______________ a rddr 51
Hbh_________________1 rd dr 51
Memory channel selection 52
Memory channels 52
Memory clearing 52
Memory channel programming 53
Frequency transferring 54
Scan edge memory channels 55
Pre operation 56
Scan types 56
Memory scan operation 57
Programmed scan operation 57
Select memory scan operation 57
Frequency calibration approximate 58
Main dial brake adjustment 58
Maintenance and adjustment 58
P set mode 58
Ac fuse replacement 59
Cleaning 59
Lithium backup battery 59
Mb 19 installation 59
Warning 59
Problem possible cause 60
Problems which are not equipment malfunctions solve it through the use of this chart contact your nearest icom dealer or service center 60
The following chart is designed to help you correct if you are not able to locate the cause of a problem or 60
Troubleshooting 60
Warning 60
Display 61
Problem possible cause 61
Transmit 61
Troubleshooting 61
Internal views 62
Left side view 62
Top view 62
If unit 63
Internal views 63
Pll unit rf unit 63
Ex 627 64
Ic 2kl 64
Ic at500 64
Mbs 1 1 options 64
Ui 100 64
Cr 282 65
Fl 101 fl 102 and fl 223 65
Fl 53a and fl 222 65
Options 65
All stated specifications are subject to change without notice or obligation 66
Antenna 66
General 66
Receiver 66
Specifications 66
Transmitter 66
9 16 kamihigashi hirano ku osaka 547 japan 67
A 5340s 1ex 67
Count on us 67
Icom inc 67

Icom IC-775DSP [62/67] Internal views

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