![Icom IC-P7A [28/96] Attenuator function](/img/pdf.png)
Icom IC-P7A [28/96] Attenuator function
![Icom IC-P7A [28/96] Attenuator function](/views2/1074434/page28/bg1c.png)
■ Monitor function
This function is used to listen to weak signals without disturb-
ing the squelch setting or to open the squelch manually even
when mute functions such as the tone squelch are in use.
➥ Push and hold [SQL] (
ATT
•
SET
) to monitor the operating
frequency.
The [SQL] (
ATT
•
SET
) key can be set to ‘sticky’ operation in
expanded set mode. See page 56 for details.
■ Attenuator function
The attenuator prevents distortion of a desired signal when
very strong RF signals are near the desired frequency or
when very strong electric fields, such as from a broadcasting
station, are present at your location.
➥
While pushing and holding [FUNC], push [SQL] (
ATT
•
SET
)
momentarily to toggle the attenuator function ON and OFF.
•“ATT” appears when the attenuator functions is in use.
SCAN
S.MW
SET
ATT
DTCS
TSQL
WFMAM
-
DUP
LOW
VOL PRIO P SKIP
MR
5
1
9
ATT
SET
Appears
SCAN
S.MW
SET
ATT
DTCS
TSQL
WFMAM
-
DUP
LOW
VOL PRIOP S KIP
MR
5
1
9
The 1st segment blinks
SET
15
4
BASIC OPERATION
Push Push and hold Dual operation
Содержание
- Instruction manual 1
- Vhf uhf dual band fm transceiver 1
- Covers the 0 95 999 90 mhz frequency range 2
- Ctcss and dtcs encoder decoder stan dard 1250 memory channels with 18 banks available 2
- D features 2
- Explicit definitions 2
- Foreword 2
- Important 2
- Mah large capacity li ion battery standard 2
- Caution 3
- Precaution 3
- R warning neve 3
- R warning rf exposure 3
- Q battery pack bp 243 1 w battery charger bc 164 1 e antenna 1 r handstrap 1 t ac adapter bc 145la le lv 1 4
- Q w e r 4
- Supplied accessories 4
- Table of contents 4
- The shape of the bc 145la bc 145le and bc 145lv are differ ent depending on versions not supplied with some versions 4
- D antenna 6
- D battery installation 6
- D handstrap 6
- Preparation 6
- Quick reference guide 6
- D charging description 7
- D charging the battery 7
- Quick reference guide 7
- Adjusting audio level 8
- Adjusting squelch level 8
- D about default settings 8
- D basic operation 8
- Quick reference guide 8
- Turning on the transceiver 8
- Your first contact 8
- Operating mode selection 9
- Quick reference guide 9
- Transmit and receive 9
- Tune the desired frequency 9
- Quick reference guide 10
- Repeater operation 10
- Repeater tone 10
- Setting duplex 10
- Memory programming 11
- Quick reference guide 11
- Selecting a memory channel 11
- Setting frequency 11
- Writing a memory channel 11
- A start and stop frequency must be programmed into a pair of xxa or xxb channels 12
- Channels of memories in 25 pairs are used to specify scanning ranges for programmed scan operation the pro grammed scan scans between xxa and xxb xx 00 to 24 channels therefore before operating the programmed scan different frequencies must be programmed into the a and b channels 12
- D programming scan edges 12
- For 1 sec until 3 beeps sound 12
- In vfo mode set the desired operating frequency and mode 12
- Programmed scan operation 12
- Push and hold v m 12
- Quick reference guide 12
- Selecting a scan edge channel a 12
- Selecting a scan edge channel b 12
- Setting frequency 12
- Short and 1 long beep sound 12
- Then rotate dial to select the desired scan edge channel a 12
- Then rotate dial to select the desired scan edge channel b 12
- Writing a memory channel 12
- 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
- Panel description 14
- Panel description 15
- Function display 16
- Panel description 17
- Battery charging 18
- Caution 18
- D battery caution 18
- Battery charging 19
- D charging caution 19
- Battery charging 20
- Battery installation 20
- Battery charging 21
- Frequency and channel setting 22
- Operating band selection 22
- Vfo and memory channels 22
- Available frequency bands 23
- Frequency and channel setting 23
- D tuning step selection 24
- Frequency and channel setting 24
- Setting a frequency 24
- Setting a tuning step 24
- Frequency and channel setting 25
- Selecting a call channel 25
- Selecting a memory channel 25
- Basic operation 26
- E set the receiving frequency p 11 r set the squelch level p 14 26
- Make sure charged battery pack bp 243 is installed p 7 26
- Q push and hold pwr for 1 sec to turn power on w push y or z to set the desired audio level 26
- Receiving 26
- Setting audio volume 26
- T when a signal is received 26
- The audio level can be adjusted to one of 40 levels 26
- Basic operation 27
- Operating mode selection 27
- Squelch level setting 27
- Attenuator function 28
- Basic operation 28
- Monitor function 28
- Basic operation 29
- Transmit power selection 29
- Transmitting 29
- Basic operation 30
- D setting dial select step 30
- Dial select step 30
- Basic operation 31
- Dial function assignment 31
- Lock function 31
- D setting duplex and duplex direction 32
- General 32
- Repeater operation 32
- Offset frequency 33
- Repeater operation 33
- D setting the subaudible tone frequency 34
- Repeater operation 34
- Subaudible tones 34
- 1750 hz tone 35
- Repeater operation 35
- Auto repeater function 36
- D frequency range and offset direction 36
- Repeater operation 36
- General description 37
- Memory call channels 37
- Memory channel programming 37
- Memory bank setting 38
- Memory call channels 38
- Memory bank selection 39
- Memory call channels 39
- Memory call channels 40
- Programming memory bank name 40
- Memory call channels 41
- Selecting display type 41
- Copying memory contents 42
- D memory memory 42
- D memory vfo 42
- Memory call channels 42
- Memory call channels 43
- Memory clearing 43
- Memory call channels 44
- Transferring memory contents 44
- Erasing transferring bank contents 45
- Memory call channels 45
- Call channel programming 46
- Copying call channel contents 46
- Scan operation 47
- Scan types 47
- Full band programmed scan 48
- Scan operation 48
- Scan edges programming 49
- Scan operation 49
- Memory bank scan 50
- Scan operation 50
- Auto memory write scan 51
- Scan operation 51
- Scan operation 52
- Skip channel frequency setting 52
- Scan operation 53
- D scan pause timer 54
- D scan resume timer 54
- Scan operation 54
- Scan resume condition 54
- Priority watch 55
- Priority watch types 55
- D memory channel watch and memory scan watch 56
- Priority watch 56
- Priority watch operation 56
- D vfo scan watch 57
- Priority watch 57
- Tone dtcs squelch operation 58
- Tone squelch and pocket beep 58
- Tone squelch and pocket beep 59
- Tone squelch frequency dtcs code setting 59
- Dtcs polarity setting 60
- Tone squelch and pocket beep 60
- Tone scan 61
- Tone squelch and pocket beep 61
- D expanded set mode on off 62
- D set mode entering and operation 62
- General 62
- Set mode 62
- D general set mode items 63
- Set mode 63
- Set mode items 63
- D expanded set mode items 64
- Set mode 64
- Available dtcs code 65
- Available subaudible tone frequencies 65
- D dtcs code 65
- D repeater tone frequency 65
- D tone squelch frequency 65
- Selects dtcs both encoder decoder code for dtcs squelch operation total of 104 codes 023 754 are available default 023 65
- Selects subaudible tone frequency for ac cessing a repeater etc total of 50 tone fre quencies 67 254 hz are available default 88 hz 65
- Selects tone frequency for tone squelch or pocket beep operation from one of 50 avail able frequencies 67 254 hz default 88 hz 65
- Set mode 65
- The polarity can also be set in dtcs p as described on page 58 65
- D dial select step 66
- D offset frequency 66
- D tone selection 66
- Set mode 66
- D beep output level 67
- D duplex direction 67
- D key touch beep 67
- D priority watch 67
- Set mode 67
- D display backlighting 68
- D power save 68
- Set mode 68
- D dial speed acceleration 69
- D key lock effect 69
- D monitor key action 69
- Set mode 69
- D auto power off 70
- D scan pause timer 70
- D scan resume timer 70
- D scan stop beep 70
- Set mode 70
- D auto repeater 71
- D dtcs polarity 71
- Korea version off deactivates the function on activates duplex and tone default 71
- Set mode 71
- Sets dtcs polarity from both n tx rx normal tn rr tx normal rx reverse tr rn tx reverse rx normal and both r tx rx reverse default both n 71
- T sql wfmam dup 71
- The auto repeater function automatically turns on or off the duplex operation and tone encoder the offset and repeater tone is not changed by the auto repeater function reset these frequencies if necessary 71
- U s a korea versions only 71
- U s a version off the auto repeater function is turned off dup only activates for duplex only default dup tone activates for duplex and tone 71
- Vol prio p ski 71
- D lcd contrast 72
- D memory bank link function 72
- D weather alert function 72
- Set mode 72
- Other functions 73
- Weather channel operation 73
- D cloning between transceivers 74
- Data cloning 74
- Other functions 74
- D cloning error 75
- D cloning using a personal computer 75
- Other functions 75
- Auto power off function 76
- D automatic tv channel programming 76
- D skip channel setting 76
- D tv channel receiving 76
- Other functions 76
- Tv channel operation 76
- All reset 77
- Other functions 77
- Partial reset 77
- D australian channels 78
- D ccir channels 78
- Frequency table 78
- The following tables show the channels versus video and audio frequencies depending on each version d u s a channels 78
- Tv channels 78
- D china channels 79
- D french channel 79
- D new zealand channels 79
- D uk channels 79
- Frequency table 79
- D fot channels 80
- D indonesian channels 80
- D italian channels 80
- D taiwan channels 80
- Frequency table 80
- Frequency table 81
- Vhf marine channels 81
- Weather channel 81
- Channels 82
- Channels d gmrs 82
- D hf cb 82
- D murs channels 82
- Frequency table 82
- Other communications in the usa 82
- D cable tv irc 83
- D general aviation frequencies 83
- D wireless microphones 83
- Frequency table 83
- Channels 84
- Frequency table 84
- Other communications other countries 84
- Channels 85
- D uhf c r s 85
- Frequency table 85
- If your transceiver seems to be malfunctioning please check the following points before sending it to a service center 86
- Maintenance 86
- Problem possible cause solution ref 86
- Troubleshooting 86
- Optional cp 21lr fuse replacement 87
- Troubleshooting continued 87
- D general 88
- D receiver 88
- Specifications 88
- Transceiver 88
- Battery charger bc 164 89
- Battery pack bp 243 89
- D transmitter 89
- Specifications 89
- Options 90
- D hm 153 91
- Options 91
- D hm 128 92
- D hm 131 92
- D lc 161 92
- Options 92
- 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 93
- Pocket guide 93
- Pocket guide 94
- 1 32 kamiminami hirano ku osaka 547 0003 japan 96
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