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Icom IC-R20 [38/108] Squelch auto
![Icom IC-R20 [38/108] Squelch auto](/views2/1074317/page38/bg26.png)
25
5
DUALWATCH OPERATION
■ Setting audio volume
qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-
eration, if necessary
wPush and hold [SQL], p
ush [
YY
] or [
ZZ
] to adjust the audio
level for the main band.
• Pushing and holding either key changes the audio level continu-
ously.
• The display shows the volume level while setting.
While pushing either
[
YY
] or [
ZZ
]
, rotate [L-DIAL] for upper
band’s volume adjustment, or [R-DIAL] for lower band’s
volume adjustment.
■ Squelch level setting
qPush [DUALWATCH] for 1 sec. to enter the dualwatch op-
eration, if necessary
wWhile pushing and holding [SQL], rotate [L-DIAL] for
upper band’s squelch adjustment, or rotate [R-DIAL] for
lower band’s squelch adjustment.
• “LEVEL 1” is loose squelch and “LEVEL 9” is tight squelch.
•“AUTO” indicates automatic level adjustment with a noise pulse
count system.
• “OPEN” indicates continuously open setting.
145 000
433 000
AFC
-DUP
-DUP
FM
TSQL
TSQL
PS
PS
PRIO
PRIO
LSB
000
000
00
00
145 250
438 000
AFC
-DUP
-DUP
FM
TSQL
TSQL
PS
PS
PRIO
PRIO
FM
000
000
00
00
PS
PS
PS
SQUELCH:LEVEL9
438
.
000
SQUELCH:AUTO
PS
145
.
250
[R-DIAL]
[L-DIAL]
SQL
Upper band setting
Lower band setting
145 250
438 000
AFC
-DUP
-DUP
FM
VOL
VOL
TSQL
TSQL
PS
PS
PRIO
PRIO
FM
000
000
00
00
145 250
438 000
PS
PS
000
000
Upper band setting
Lower band setting
SQL
Содержание
- Communications receiver 1
- Instruction manual 1
- 1250 memory channels with 26 banks available 2
- Built in bar antenna 2
- Covers 0 50 3304 99 mhz wide frequency range 2
- D features 2
- Dualwatch operation 2
- Explicit definitions 2
- External power supply operation 2
- Foreword 2
- Important 2
- Caution 3
- Precaution 3
- R warning neve 3
- Respec 3
- Operating notes 4
- Operating theory 4
- Supplied accessories 4
- Table of contents 5
- D batteries installation 6
- D battery pack installation 6
- D handstrap 6
- Preparations 6
- Quick reference guide 6
- D belt clip 7
- D swivel belt clip option 7
- Quick reference guide 7
- D antenna 8
- Quick reference guide 8
- To remove 8
- D about default setting 9
- D charging the battery 9
- Quick reference guide 9
- Your first scanning experience 9
- Adjusting audio level 10
- Adjusting squelch level 10
- D basic operation 10
- Quick reference guide 10
- Tune the desired frequency 10
- Turning on the receiver 10
- Bank bank 11
- Bname bname 11
- Clear clear 11
- Memory programming 11
- Mname mname 11
- Mode scan 11
- Mr s mw 11
- Quick reference guide 11
- Skip skip off off 11
- D programming scan edges 12
- Programmed scan operation 12
- Quick reference guide 12
- Selecting a scan edge channel a 12
- Selecting a scan edge channel b 12
- Setting frequency 12
- Writing a memory channel 12
- 8 888 14 8 888 0 000 0 000 13
- 888 888 888 000 000 13
- Cancelling scan 13
- D starting scan 1 select vfo mode 13
- Quick reference guide 13
- Selecting a scanning type 13
- Starting scan 13
- Front top and side panels 14
- Keypad 14
- Panel description 14
- Keypad 15
- Panel description 15
- Panel description 16
- Panel description 17
- Panel description 18
- Function display 19
- M amateur2 19
- Panel description 20
- Battery installation 21
- Battery installation charging 21
- Battery charging 22
- Battery installation charging 22
- Caution 22
- D battery caution 22
- D charging caution 22
- D regular charging 22
- Battery installation charging 23
- Charge the supplied battery pack for a maximum of 8 hours li ion batteries are different from ni cd bat teries in that it is not necessary to completely charge and discharge them to prolong the battery life there fore charging the battery in intervals and not for ex tended periods is recommended 23
- D cp 18a e fuse replacement 23
- D rapid charging with the bc 156 23
- Frequency and channel setting 24
- Mode selection 24
- Operating band selection 25
- 440000 800000 26
- 5000 51000 76000 26
- Available frequency bands 26
- Frequency and channel setting 26
- Setting a frequency 27
- Setting a tuning step 27
- Am mode 29
- Fm mode 29
- Ic recorder 29
- Lock function 29
- Mode scan 29
- Receive mode selection 29
- Wfm mode 29
- Basic operation 30
- Receiving 30
- Setting audio volume 30
- Monitor function 31
- Squelch level setting 31
- Attenuator function 32
- Rf gain 32
- Duplex operation 33
- Afc function 34
- Nb anl function 34
- Band scope 35
- Dial function assignment 36
- Band exchange 37
- Dualwatch operation 37
- Main band selection 37
- Dualwatch operation 38
- Setting audio volume 38
- Squelch auto 38
- Squelch level setting 38
- Squelch level9 38
- General description 39
- Memory channel programming 39
- Memory channels 39
- Memory bank setting 40
- Memory bank selection 41
- Memory channels 42
- Programming memory bank name 42
- 2 3 4 5 6 7 8 9 43
- A b c d e f g h i j k l m n o p 43
- Q r s t u v w x y z 43
- Selecting memory bank name indication 43
- Copying memory contents 44
- 1 short and 1 long beeps sound µ indicator blinks do not hold mr s mw for more than 2 sec otherwise the memory contents will be copied to vfo 45
- 3 beeps sound the cleared channel changes to blank channel return to the select memory write condition µ indicator blinks push dualwatch to exit the select memory write con dition then push vfo mhz to return to vfo mode 45
- Clear item can also be selected by pushing 8 set several times 45
- Is pushed 45
- Memory clearing 45
- Push for 1 sec 45
- R dial 45
- Set ts 5 khz 45
- Several times 45
- Erasing transferring bank contents 46
- Scan operation 47
- Scan types 47
- Full band programmed scan 48
- Scan operation 48
- Scan edges programming 49
- Memory bank all bank scan 50
- Scan operation 50
- Auto memory write scan 51
- Skip channel frequency setting 52
- Scan operation 53
- Scan resume condition 53
- D scan resume timer 54
- Q push 8 set for 1 sec to enter set mode w rotate r dial to select set expand then push 8 set e rotate r dial to turn the expand set mode selection on then push 8 set r rotate r dial to select scan resume then push 8 set t rotate r dial to set the desired scan resume timer from 0 5 sec 1 sec steps and hold 54
- Scan operation 54
- The scan restarts after the signal disappears according to the resume time it can be set from 0 5 sec or unlimited 54
- Y push dualwatch to exit set mode 54
- Priority watch 55
- Priority watch types 55
- During priority watch 56
- During priority watch with priority beep 56
- Emits beep and blinks s indicator when a signal is re ceived on a memory bank channel 56
- Monitors vfo frequency for 5 sec pauses on a memory bank channel when a signal is received 56
- Prio indicator appears the receiver checks the memory bank channel s every 5 sec the watch resumes according to the selected scan resume con dition p 41 56
- Priority watch 56
- Priority watch operation 56
- R dial 56
- Select bell if the priority beep function is necessary 56
- Priority watch 57
- Comfortable receiving 58
- Tone dtcs squelch operation 58
- Comfortable receiving 59
- Tone squelch frequency dtcs code setting 59
- As well as the code setting the polarity setting is also avail able for the dtcs operation when a different polarity is set the dtcs never releases audio mute even when a signal with matched code number is received 60
- Comfortable receiving 60
- Dtcs polarity setting 60
- Q push 8 set for 1 sec to enter set mode w rotate r dial to select set expand then push 8 set e rotate r dial to turn the expanded set mode on then push 8 set r rotate r dial to select dtcs polarity then push 8 set 60
- T rotate r dial to select the polarity from normal and reverse then push 8 set 60
- Y push dualwatch to exit set mode 60
- Tone scan 61
- D expanded set mode on off 62
- D set mode entering and operation 62
- General 62
- Set mode 62
- D expanded set mode items 63
- D general set mode items 63
- Set mode 63
- Set mode items 63
- Adjust the key touch beep tone level to the desired level within 39 levels the key touch beep previous item must be set to on to have a beep tone 64
- Auto setting continuously on setting 64
- D beep output level 64
- D display backlighting 64
- D key touch beep 64
- D priority watch 64
- Key touch beep off key touch beep on 64
- Minimum level no audio maximum level 64
- Priority watch on priority beep on 64
- Set mode 64
- The key touch beep can be turned off for silent operation default on 64
- The receiver has display backlighting and function key illumi nation with a 5 sec timer for night time operation the back lighting can be turned on continuously or turned off if desired auto lights when some operation is performed goes out after 5 sec default on lights continuously during receiver power is on off never lights 64
- Turn the priority watch or priority beep priority watch with beep emission capability on default off on start priority watch after exiting set mode bell emits beeps and blinking s indicator when a signal is received on the priority frequency 64
- D af filter 65
- D anl function 65
- D noise blanker 65
- D power save 65
- Set mode 65
- The af fi lter suppresses high pitch tone when this setting is on this function is not effective for fm mode off the af fi lter is deactivate default on the af fi lter is activate 65
- The anl automatic noise limitter function reduces noise components when am is selected off the anl function is turned off default on the anl function is turned on 65
- The noise blanker reduces pulse type noise such as that gen erated by automobile ignition systems this function is only effective for ssb cw modes and not effective for non pulse type noise off the noise blanker function is turned off default on the noise blanker function is turned on 65
- The power save function reduces the current drain to con serve battery power this power save function can be turned off if desired 65
- Audio output can be adjusted 66
- D am antenna selection 66
- D fm antenna selection 66
- D key lock effect 66
- Ext use the antenna connected to the antenna con nector default bar use the internal bar antenna for am broadcast band reception 66
- Ext use the antenna connected to the antenna connector default earphone use the connected earphone s cable as the antenna for fm broadcast band recep tion 66
- External antenna connected earphone cable 66
- External antenna internal bar antenna 66
- Normal lock condition 66
- Receiver power and lock function only switchable 66
- Set mode 66
- Squelch level can be adjusted 66
- This setting is activated only for the am broadcast band 0 95 1 20 mhz differ according to version reception 66
- This setting is activated only for the fm broadcast band 76 00 107 95 mhz differ according to version recep tion 66
- While the key lock function is on volume and sql can still be accessed accessible keys can be set to one of 4 groups power and lock are also accessible during the lock however these keys are not effected by this setting normal volume and sql are accessible default no sql sql is accessible no vol volume is accessible all no accessible key is available except power and lock 66
- D auto power off 67
- D dial speed acceleration 67
- D monitor key action 67
- Min 1 hour 1 hours 2 hours busy and off default can be speci fi ed the speci fi ed period is retained even when the receiver is turned off by the auto power off function to cancel the function select off in this set mode 30 120 the receiver automatically turns off with a beep after a speci fi ed period from last key op eration busy the receiver automatically turns off with a beep after 3 minutes from last key operation or signal reception 67
- Set mode 67
- The dial speed acceleration automatically speeds up the tun ing dial speed when rotating r dial rapidly off the dial speed acceleration is turned off on the dial speed acceleration is tuned on default 67
- The monitor key sql can be set as a sticky key when set to the sticky condition each push of sql toggles the monitor function on and off push pushing and holding sql to monitor the fre quency default hold push sql to monitor the frequency and push again to cancel it 67
- The receiver can be set to automatically turn off after a speci fi ed period has past 67
- D scan pause timer 68
- D scan resume timer 68
- D scan stop beep 68
- Hold scan pauses on the received signal even if it dis appears rotate r dial to resume manually 68
- Selects scan resume time scan resumes after the speci fi ed period when the received signal disappears 0 scan resumes immediately when the received signal disappears 1 5 scan pause 1 5 sec after the received signal disappears default 2 sec 68
- Selects the scan pause time when receiving signals the scan pauses according to the scan pause time 2 20 scan pauses for 2 20 sec on a received signal and selected in 2 sec steps default 10 sec hold scan pauses on a received signal until it disap pears rotate r dial to resume manually 68
- Set mode 68
- Turns the scan stop beep function on and off when the function is activated on is selected a long beep will sounds each time when signal is received during scan 68
- And receiver version 69
- D duplex direction 69
- D offset frequency 69
- D scope audio output 69
- Set mode 69
- Sets the audio output function while scope operation 69
- Sets the duplex direction the displaying frequency shifts the programmed offset frequency at left below when monitor function is in use while pushing sql off simplex operation default dup the displaying frequency shifts down dur ing monitor dup the displaying frequency shifts up during monitor 69
- Sets the duplex offset frequency for each frequency band in dependently within 0 to 159 9999 mhz range during duplex operation dup or dup the monitoring frequency while sql is pushed shifts the set frequency 69
- The default value may differ according to the selected fre quency band 69
- The scope audio output is used for fi nding out the signals while scope function are modulated unmodulated or beet signal etc 69
- The selected tuning step in vfo mode is used for the off set frequency setting 69
- Available dtcs code 70
- Available subaudible tone frequencies 70
- Code 023 setting code 754 setting 70
- D dtcs code 70
- D dtcs polarity 70
- D tone frequency 70
- Hz setting 254 hz setting 70
- Normal setting reverse setting 70
- Set mode 70
- Sets dtcs code for dtcs squelch operation total of 104 codes 023 754 are available default 023 70
- Sets dtcs polarity from normal and reverse default normal 70
- Sets subaudible tone frequency for tone squelch operation total of 50 tone frequencies 67 254 hz are available default 88 hz 70
- The polarity can also be set in dtcs polarity as follow 70
- D lcd contrast 71
- D memory bank link 71
- D weather alert function 71
- E rotate r dial to select the setting then push 8 set r rotate r dial to select next bank and repeat q to e or push dualwatch to exit set mode 71
- Set mode 71
- Sets the linked bank for the bank link scan default all banks are on q rotate r dial to select the bank that you want to change setting 71
- The lcd contrast can be adjusted through 15 levels 71
- Turns weather alert function on and off 71
- U s a version only 71
- W push 8 set for 1 sec to enter the bank link setting con dition 71
- Auto baud rate setting 9600 bps setting 72
- Ci v address set to 6c ci v address set to 01 72
- Ci v transceive off ci v transceive on 72
- Ci v transceive operation is possible with the ic r20 con nected to an icom ci v radio when on is selected chang ing the frequency operating mode etc on the ic r20 automatically changes those of connected radios and vice versa default on 72
- D ci v address 72
- D ci v baud rate 72
- D ci v transceive 72
- Set a different address for each ic r20 in the range 01 to 7f default 6c 72
- Set mode 72
- Sets the data transfer rate when auto is selected baud rate is automatically set according to the connected controller or other icom ci v radio default auto 72
- To distinguish equipment each ci v transceiver receiver has its own icom standard address in hexadecimal code the ic r20 s address is 6c 72
- When 2 or more ic r20s are connected to an optional ct 17 72
- Antenna selection 73
- Other functions 73
- D weather alert function 74
- D weather channel selection 74
- Other functions 74
- Weather channel operation 74
- Data cloning 75
- Auto power off function 76
- D cloning error 76
- Other functions 76
- Even you don t push 77
- Ic recorder 77
- Playback speed 77
- Played time 77
- Recorded time recorded quality 77
- Red led below the rec lights on 77
- Rest of recording time bar appears 77
- The receiver stops automatically and returns to normal condition at the end of the track 77
- The track number appears 77
- Track number 77
- Volume level 77
- When stop to record 77
- While pausing 77
- While pausing the red led blinks 77
- While recording 77
- Other functions 78
- All reset 80
- Other functions 80
- Partial reset 80
- Command table 81
- Control command 81
- Data format 81
- General 81
- Ci v connections example 82
- Control command 82
- Frequency table 83
- Tv channels 83
- D china channels 84
- D france channel 84
- D new zealand channels 84
- D uk channels 84
- Frequency table 84
- D fot channels 85
- D indonesian channels 85
- D italian channels 85
- D taiwan channels 85
- Frequency table 85
- Frequency table 86
- Vhf marine channels 86
- Weather channel 86
- Frequency table 87
- Other communications in the usa 87
- D cable tv irc 88
- D general aviation frequencies 88
- D wireless microphones 88
- Frequency table 88
- Frequency table 89
- Other communications other countries 89
- Channels 90
- D uhf c r s 90
- Frequency table 90
- Maintenance 91
- Troubleshooting 91
- D general 92
- D receiver 92
- Specifications 92
- Options 93
- Driver installation 94
- For microsof 94
- Window 94
- Driver installation 95
- Driver installation 96
- Driver installation 97
- Driver installation 98
- For microsof 98
- Window 98
- Driver installation 99
- Driver installation 100
- 98se me 101
- Driver installation 101
- For microsof 101
- Window 101
- Driver installation 102
- Com port confirmation 103
- Driver installation 103
- Driver installation 104
- Important operating instructions are summed up in this and the following page for your simple reference by cutting along the line and folding on the dotted line it will become a card sized operating guide which can easily be carried in a card case or wallet etc 105
- Pocket guide 105
- Declaration of conformity 107
- 02 europe 03 u k 108
- 07 france 108
- 1 32 kamiminami hirano ku osaka 547 0003 japan 108
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