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Icom IC-T81A [17/40] I rit vxo functio
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13
4
BASIC OPERATION
■ RIT/VXO function (1200 MHz band)
In the 1200 MHz band, differences between actual and dis-
played frequencies can often be large. The RIT (receive in-
cremental tuning) function allows you to compensate the
displayed frequency for differences in the actual receive fre-
quency; the VXO (variable crystal oscillator) function allows
you to compensate the displayed frequency for differences in
the actual receive and transmit frequencies.
D Activating RIT/VXO
➀ Select a frequency in the 1200 MHz band (or a memory
channel with a 1200 MHz band frequency; or the 1200
MHz band call channel).
➁ Push [MULTI] for 1 sec. to enter set mode.
➂ Push [MULTI(↕)] one or more times until “rV” appears.
➃ Push [MULTI(↔)] one or more
times to select “RIT” (RIT activated,
“VXO” (VXO activated) or “OFF”
(neither activated)—[DIAL] can
also be used.
➄ Push [VFO] to exit set mode and
return to the previously selected
mode.
• When RIT or VXO is activated, “:” ap-
pears above the decimal point in the
frequency indication (in the 1200 MHz band).
USING
SET MODE
D Adjusting the frequency with RIT/VXO
Make sure that RIT or VXO is activated in set mode and that
the 1200 MHz band is selected.
➀ Select a frequency in the 1200 MHz band (or a memory
channel with a 1200 MHz band frequency; or the 1200
MHz band call channel).
➁ Push [RIT] to display the frequency
offset in kHz.
➂ Push [MULTI(↔)] one or more
times (or rotate [DIAL]) to adjust
the frequency offset.
• The frequency offset can be set
±5 kHz in 1 kHz steps.
➃ Push [VFO] to return to regular dis-
play indication.
☞ NOTE: When using the RIT/VXO function the indicated off-
set frequencies are only approximate values.
Offset: –2 kHz
(approx.)
Offset: +5 kHz
(approx.)
IC-T81A/E Manual-(1) 01.12.5 6:55 PM Page 13 (1,1)
Содержание
- Ic t81a e manual 1 01 2 6 55 pm page a 1 1 1
- Instruction manual 1
- It81a e 1
- Multiband fm transceiver 1
- Cautions 2
- Explicit definitions 2
- Important 2
- R warning never 2
- Read all instructions 2
- Save this instruction manual 2
- Do not 3
- Supplied accessories 3
- Ic t81a e manual 1 01 2 6 55 pm page iv 1 1 4
- Table of contents 4
- Accessory attachment 5
- Caution 5
- D antenna 5
- D belt clip 5
- D handstrap 5
- I switches controls keys and connectors 6
- Panel description 6
- Panel description 7
- U caution 7
- Dup fm w 8
- T sql skip 8
- Vol low 8
- Panel description 9
- Battery packs and charging 10
- D battery life 10
- D operating period 10
- I about battery packs 10
- I battery pack charging 10
- I charging precautions 10
- Battery packs and charging 11
- D rapid charging with the bc 119 11
- D regular charging 11
- I charging connections 11
- Battery packs and charging 12
- Connect an optional charger or cable to the transceiver as il lustrated below be careful of battery overcharging as the connected battery is charged simultaneously 12
- D operation with an optional cable 12
- I battery case 12
- Is con nected charging cannot take place 12
- U caution 12
- When the bp 197 12
- When using a battery case attached to the transceiver install 3 aa r6 size alkaline batteries as illustrated below 12
- Basic operation 13
- D via the keypad 13
- I power on 13
- I setting a frequency 13
- Basic operation 14
- D other methods 14
- D via the keypad 14
- Setting tuning steps 14
- Basic operation 15
- Convenient 15
- I lock function 15
- I receive and transmit 15
- I selecting a memory channel 15
- Asia usa ver 16
- Basic operation 16
- Europe france italy ver 16
- I air band reception 16
- I fm broadcast reception 16
- I narrow fm operation 16
- 1200 mhz band 17
- Basic operation 17
- D activating rit vxo 17
- D adjusting the frequency with rit vxo 17
- I rit vxo functio 17
- Basic operation 18
- I receive mode 18
- D tone information 19
- I general 19
- Repeater operation 19
- I setting an offset frequency 20
- I subaudible tones for repeater use 20
- Repeater operation 20
- I auto repeater function 21
- Repeater operation 21
- I general 22
- I programming a memory channel 22
- Memory call programming 22
- D clearing a memory 23
- D transferring a memory call channel s contents 23
- I memory editing 23
- Memory call programming 23
- I memory names 24
- Memory call programming 24
- D dtmf transmit speed 25
- D manual dtmf code transmission 25
- D using a dtmf memory channel 25
- Dtmf memory 25
- I programming a dtmf code 25
- I transmitting a dtmf code 25
- Full scan 26
- I scan types 26
- Memory scan 26
- Scan functions 26
- I full programmed scan 27
- I memory skip scan 27
- Scan functions 27
- I scan resume condition 28
- I skip channel setting 28
- Scan functions 28
- D setting subaudible tones for tone squelch operation ctcss tones 29
- I tone squelch 29
- Subaudible tone operation 29
- D calling a waiting station using pocket beep 30
- D waiting for a call from a specific station 30
- I pocket beep operation 30
- I tone scan 30
- Subaudible tone operation 30
- D optional hm 75a functions 31
- I help function 31
- I initial set mode 31
- Other functions 31
- D auto power off 32
- D auto repeater 32
- D beep tones on off 32
- D display backlighting 32
- D power saver 32
- Other functions 32
- Caution 33
- D dtmf speed 33
- D function display contrast 33
- D voltage display 33
- I resetting the cpu 33
- Other functions 33
- D cloning error 34
- D cloning using a pc 34
- D transceiver to transceiver cloning 34
- I cloning 34
- Other functions 34
- If your transceiver seems to be malfunctioning please check the following points before sending it to a service center 35
- Possible cause 35
- Problem 35
- Solution 35
- Troubleshooting 35
- Ic t81a e manual 1 01 2 6 56 pm page 32 1 1 36
- Specifications 36
- D battery packs 37
- D chargers and cables 37
- D others 37
- D speaker microphones 37
- Mah 1 w 6 8 hr 37
- Mah 2 w 4 8 hr 37
- Mah 4 w 4 7 hr 37
- Options 37
- W 10 14 hr 37
- Call mode 38
- Memory menu 38
- Memory mode 38
- Mode arrangement 38
- Vfo mode 38
- Initial set mode 39
- Mode arrangement 39
- Set mode 39
- To enter at power on to exit 39
- 9 16 kamihigashi hirano ku osaka 547 0002 japan 40
- Count on us 40
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