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Icom IC-2720H [44/96] I offset frequency
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27
4 REPEATER OPERATION
New2001
■ Offset frequency
When communicating through a repeater, the transmit fre-
quency is shifted from the receive frequency by an amount
determined by the offset frequency.
Independent offset frequencies can be set for each operating
frequency.
qPush [MAIN•BAND] to select the desired band (left or right)
as the main band.
• Push [MAIN•BAND] for 1 sec. then rotate the [DIAL] to select the
desired frequency band if necessary.
wSelect the desired mode/channel you wish to set the offset
frequency to, such as VFO mode or memory/call channel.
• The offset frequency can be independently programmed into
each mode or channel.
ePush [SET• ] to enter set mode.
rPush [SET• ] or [LOW•PRIO] until “DUP” and offset fre-
quency appear.
t
Rotate the main band’s [DIAL] to set the desired offset fre-
quency.
yPush [TONE•DTMF] to exit set mode.
z Push [BAND] to select the desired band (left or
right) as the main band.
• Enter the desired frequency via the keypad if neces-
sary.
x Select the desired mode/channel you wish to
set the offset frequency to, such as VFO mode
or memory/call channel.
• The offset frequency can be independently pro-
grammed into each mode or channel.
c
Push [
SET
B(D-OFF)] to enter set mode.
v
Push [
SET
B(D-OFF)] or [
ENT
C(T-OFF)] until
“DUP” and offset frequency appear.
b Push [Y] or [Z] to set the desired
offset.
• Direct frequency entry from the keypad is not possi-
ble.
n Push [
CLR
A(MW)] to exit set mode.
☞NOTE: The offset frequency can be set in a memory/call
channel temporarily. However, the set frequency is cleared
once another memory channel or VFO mode is selected.
To store the offset frequency permanently, overwrite the
channel information.
MAIN
T X
DUP
M
Push
SET
B
MAIN
T X
DUP
M
[SET• ] [LOW•PRIO]
“DUP” and offset frequency appear
USING
SET MODE
IC-2720H_2.qxd 03.5.13 9:45 Page 27 (1,1)
Содержание
- Dual band fm transceiver 1
- I2720h 1
- Instruction manual 1
- New2001 1
- D features 2
- Explicit definitions 2
- Foreword 2
- Important 2
- Independent controls for each left and right bands 2
- New dms dynamic memory scan system 2
- Read all instruction 2
- Remote control microphone standard 2
- Save this instruction manual 2
- Separate controller for flexible installation 50 w of high transmit output power 2
- V v u u simultaneous receive capability 2
- Be careful 3
- Caution 3
- Changes or modifications to this device not ex pressly approved by icom inc could void your authority to operate this device under fcc regulations 3
- For u s a only 3
- New2001 3
- Precaution 3
- R warning neve 3
- R warning rf exposure 3
- 3 m 11 ft 1 4
- A ferrite core is adapted for the usa version 4
- Hm 118n 4
- Ic 2720h_2 qxd 03 3 9 45 page iii 1 1 4
- New2001 4
- Or hm 118tn tan 4
- Q dc power cable 3 m 1 w mobile mounting bracket 1 e microphone hm 133 1 r fuse 20 a 1 t mounting screws nuts and washers 1 set y microphone hanger 1 u remote controller bracket mb 84 1 i mounting screws nuts and washers for mb 84 1 set o separation cabl 4
- Supplied versions are also available 4
- Table of contents supplied accessories 4
- Ic 2720h_2 qxd 03 3 9 45 page iv 1 1 5
- New2001 5
- D installation methods 6
- I installation 6
- Quick reference guide 6
- Remote installation 6
- Single body installation 6
- D location 7
- D using the mounting bracket 7
- Quick reference guide 7
- D mb 84 installation 8
- Is used for separate installation 8
- New2001 8
- Over head mounting 8
- Q drill 2 holes where the bracket is to be installed 8
- Quick reference guide 8
- Standard mounting 8
- The supplied mb 84 8
- Using the optional mb 65 8
- W attach the remote controller to the mb 84 and tighten the controller using with the supplied screws e tighten the controller with bracket 8
- D optional mb 85 installation 9
- Quick reference guide 9
- D microphone connection 10
- D separation cable connection 10
- Quick reference guide 10
- Connecting to a dc power source 11
- Connecting to a dc power supply 11
- D battery connection 11
- D dc power supply connection 11
- Make sure the ground terminal of the dc power supply is grounded 11
- New2001 11
- Quick reference guide 11
- R warning never remove the fuse holders from the dc power cable never connect the transceiver directly to a 24 v battery do not use the cigarette lighter socket for power con nections see p 6 for details attach a rubber grommet when passing the dc power cable through a metal plate to prevent a short circuit 11
- See p 74 for fuse replacement 11
- Use a 13 v dc power supply with at least 15 a capacity 11
- D antenna installation 12
- Quick reference guide 12
- I your first contact 13
- Quick reference guide 13
- Selecting the main band 13
- Turning on the transceiver 13
- Using the hm 133 13
- For the main band 14
- New2001 14
- Push the desired band s left or right main band for 1 sec then rotate the appropriate band s dial 14
- Quick reference guide 14
- Selecting the operating frequency band 14
- The ic 2720h has 2 m and 70 cm bands for each left and right band the operating band can be exchanged between them and the same bands v v and u u settings are also possible 14
- The tuning dial will allow you to dial in the frequency you want to operate pages 13 and 14 will instruct you on how to set the tuning speed 14
- Tune the frequency 14
- Using the hm 133 14
- You can directly enter the frequency with the hm 133 keypad 14
- I repeater operation 15
- Quick reference guide 15
- Repeater tone 15
- Setting duplex 15
- Using the hm 133 15
- I programming memory channels 16
- Quick reference guide 16
- Selecting a memory channel 16
- Setting a frequency 16
- Writing a memory channel 16
- Quick reference guide 17
- Using the hm 133 17
- I front panel controller 18
- Panel description 18
- Panel description 19
- I function display 20
- Panel description 20
- Panel description 21
- I main unit 22
- Panel description 22
- D data jack pin assignment 23
- Panel description 23
- I microphone hm 133 24
- Panel description 24
- I microphone keypad 25
- Panel description 25
- Key function secondary function key other functions 26
- Panel description 26
- I optional microphones hm 118n tn tan 27
- Panel description 27
- D main band 28
- D operating frequency band selection 28
- D turning power on off 28
- I preparation 28
- Setting a frequency 28
- A mw to exit the condition and re turn to frequency indication 29
- About extra frequency bands usa and general versions only in addition to the 2 m and 70 cm ham bands the ic 2720h usa and general versions have extra frequency bands for each left and right bands as follow 29
- C push y z to select the desired frequency band v push 29
- D vfo and memory modes 29
- Moni to se lect frequency band selecting condition 29
- New2001 29
- Push m call mw to select memory mode 29
- Push the desired band s v mhz scan to select vfo mode 29
- Push vfo lock to select vfo mode push mr call to select memory mode 29
- See the specifications for the available frequency bands for details 29
- Setting a frequency 29
- The transceiver has 2 basic operating modes vfo mode and memory mode select vfo mode first to set an operating fre quency 29
- Z push band to select main band x push func the push 29
- C t off to activate the keypad for digit input c push 6 keys to input a frequency 30
- Example setting frequency to 145 625 mhz 30
- I using the keypad 30
- I using the tuning dial 30
- I using the y z keys 30
- New2001 30
- Push y or z to select the desired frequency 30
- Q rotate the desired band s dial to set the frequency 30
- Setting a frequency 30
- The frequency can be directly set via numeral keys on the mi crophone 30
- X push 30
- Z push band to select the desired band left or right as the main band 30
- I tuning step selection 31
- Setting a frequency 31
- D 16key l to switch the microphone keypad lock function on and off 32
- D frequency lock 32
- D microphone keypad lock 32
- I lock functions 32
- New2001 32
- Push func then 32
- Push set for 1 sec to turn the lock function on and off 32
- Push vfo lock for 1 sec to switch the lock function on and off 32
- Setting a frequency 32
- This function locks dial and switches electronically and can be used together with the microphone lock function 32
- This function locks the microphone keypad 32
- To prevent accidental frequency changes and unnecessary function access use the lock function the transceiver has 2 different lock functions 32
- Basic operation 33
- I monitor function 33
- I receiving 33
- Basic operation 34
- D squelch attenuator setting 34
- I squelch attenuator 34
- Basic operation 35
- I v v u u simultaneous receive para watch 35
- Basic operation 36
- I sub band mute sub band busy beep 36
- Basic operation 37
- I selecting output power 37
- I transmitting 37
- Basic operation 38
- I audio mute function 38
- I one touch ptt function 38
- I general 39
- Repeater operation 39
- I accessing a repeater 40
- Repeater operation 40
- Repeater operation 41
- D subaudible tones 42
- Encoder function 42
- I subaudible tones 42
- Repeater operation 42
- D 1750 hz tone 43
- D dtmf tones 43
- Repeater operation 43
- I offset frequency 44
- Repeater operation 44
- D frequency range and offset direction 45
- D setting the auto repeater function on off 45
- I auto repeater 45
- Repeater operation 45
- U s a version only 45
- D using the keypad 46
- D using the tuning dial 46
- D using the y z keys 46
- I general description 46
- I memory channel selection 46
- Memory operation 46
- I programming a memory channel 47
- D programming a memory channel via the microphone 48
- Memory operation 48
- Transferring memory contents 49
- D memory call call memory 50
- Memory operation 50
- I memory clearing 51
- Memory operation 51
- I memory bank selection 52
- Memory operation 52
- I memory bank setting 53
- Memory operation 53
- I transferring bank contents 54
- Memory operation 54
- Call channel operation 55
- I call channel selection 55
- I call channel transferring 55
- I programming a call channel 56
- I scan types 57
- Scan operation 57
- D operation 58
- D preparation 58
- I scan start stop 58
- Scan operation 58
- I scan edges programming 59
- D programming scan edges via microphone 60
- Scan operation 60
- I skip channel setting 61
- Scan operation 61
- I scan resume condition 62
- Scan operation 62
- I priority watch types 63
- Priority watch 63
- I priority watch operation 64
- Priority watch 64
- Dtmf memory encoder 65
- I programming a dtmf code 65
- Dtmf memory encoder 66
- Programming a dtmf code via microphone 66
- D automatic transmission dtmf memory 67
- D transmitting a dtmf memory directly 67
- Dtmf memory encoder 67
- I transmitting a dtmf code 67
- D manual transmission 68
- Dtmf memory encoder 68
- I dtmf speed 68
- I pocket beep operation 69
- Pocket beep and tone squelch 69
- D available tone frequency list 70
- D calling a waiting station using pocket beep 70
- Pocket beep and tone squelch 70
- I tone dtcs squelch operation 71
- Pocket beep and tone squelch 71
- I tone scan 72
- Pocket beep and tone squelch 72
- I set mode 73
- Other functions 73
- Adjust to suit lighting conditions the levels 1 dark to 4 bright default are available 74
- Amber setting green setting 74
- Available subaudible tone frequencies 74
- D display color 74
- D display dimmer 74
- D dtcs code 74
- D repeater tone 74
- D tone squelch tone 74
- Ic 2720h_2 qxd 03 3 9 45 page 57 1 1 74
- New2001 74
- Other functions 74
- Sets dtcs code both encoder and decoder for dtcs squelch operation total of 104 codes are available default 023 74
- Sets subaudible tone frequency both encoder and decoder for tone squelch operation total of 50 tone frequencies 67 254 hz are available default 88 hz 74
- Sets subaudible tone frequency encoder only for repeater operation total of 50 tone frequencies 67 254 hz are available default 88 hz 74
- The display color can be set to amber default or green 74
- D channel skip setting 75
- D dtcs polarity 75
- D offset frequency 75
- D scan resume timer 75
- D tuning step 75
- Other functions 75
- D 1st lo frequency selection 76
- D operating mode setting 76
- D weather alert function 76
- D wide narrow settin 76
- Other functions 76
- D entering initial set mode 77
- I initial set mode 77
- Other functions 77
- D auto power off 78
- D auto repeater 78
- D key touch beep 78
- D time out timer 78
- Other functions 78
- D cooling fan control 79
- D data transmission speed 79
- D microphone sensitivity 79
- D packet operation band 79
- D squelch attenuator 79
- D squelch delay 79
- Other functions 79
- D active band 80
- D dtmf speed 80
- D sub band mute 80
- Other functions 80
- I am fm narrow mode 81
- Other functions 81
- D weather alert function 82
- D weather channel selection 82
- I weather channel operation 82
- Other functions 82
- Usa version only 82
- D f 1 f 2 keys on hm 133 83
- D up dn keys on a microphones 83
- I microphone keys 83
- Other functions 83
- I all reset 84
- I partial reset 84
- Important 84
- Other functions 84
- D cloning between transceivers 85
- I data cloning 85
- Other functions 85
- D cloning error 86
- D cloning using a personal computer 86
- D data speed 86
- I packet operation 86
- Other functions 86
- D 1200 bps packet operation 87
- Other functions 87
- D 9600 bps high speed packet operation 88
- Other functions 88
- D adjusting the transmit signal output from the tnc 89
- D packet operation band selection 89
- Other functions 89
- I troubleshooting 90
- If your transceiver seems to be malfunctioning please check the following points before sending it to a service center 90
- Maintenance 90
- New2001 90
- Problem possible cause solution ref 90
- I fuse replacement 91
- Maintenance 91
- D general 92
- D receiver 92
- D transmitter 92
- I specifications 92
- New2001 92
- Specifications and options 92
- I options 93
- Specifications and options 93
- Dtmf memory clone mode 94
- Initial set mode 94
- Mode arrangement 94
- New2001 94
- Set mode 94
- Mode arrangement 95
- 1 32 kamiminami hirano ku osaka 547 0003 japan 96
- New2001 96
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