Icom IC-2800H User Manual Page 77
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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73
15
OTHER FUNCTIONS
D Adjusting the transmit signal output from
the TNC
When setting data transmission speed to 9600 bps, the data
signal coming from the TNC is applied exclusively to the in-
ternal limiter circuitry to automatically maintain band width.
NEVER apply data levels from the TNC of over 0.6 Vp-p, oth-
erwise the transceiver will not be able to maintain the band
width and may possibly interfere with other stations.
1.When using a level meter or synchroscope, adjust the
TX audio output level (DATA IN level) from the TNC as
follows.
0.4 Vp-p (0.2 Vrms) : recommended level
0.2 Vp-p–0.5 Vp-p (0.1 Vrms–0.25 Vrms) : acceptable level
2.When NOT using a measuring device.
q Connect the transceiver to a TNC.
w Enter a test mode (“CAL”, etc.) on the TNC, then transmit
some test data.
e
When the transceiver fails to transmit the test data or trans-
mits sporadically (TX indicator doesn’t appear or flashes):
- Decrease the TNC output level until the transmit indicator
lights continuously.
When transmission is not successful even though the TX
indicator lights continuously:
- Increase the TNC output level.
■ Video monitor function
The LCD can be used as a video monitor for an NTSC or PAL
video signal.
NTSC : U.S.A., Australia, Asia, Latin America, Korea and
Taiwan versions
PAL : Europe and Italy versions
q Push [DISP] to enter display set mode.
•Push [CHG/L] if [DISP] is not displayed.
w Push [ ] to monitor a video signal.
•The video signal is displayed on the LCD.
e Push any switch except [POWER] to return to display set
mode.
r Push [ï] to exit display set mode.
to
[VIDEO IN]
- INSTRUCTION MANUAL 1
- FOREWORD 2
- EXPLICIT DEFINITIONS 2
- CAUTIONS 2
- For LCD display 3
- For U.S.A. only 3
- TABLE OF CONTENTS 4
- SUPPLIED ACCESSORIES 5
- ■ Function display 8
- ■ Basic function menu 10
- PANEL DESCRIPTION 11
- ■ Main unit 12
- D DATA JACK PIN ASSIGNMENTS 13
- ■ HM-98 microphone* 14
- ■ HM-97/118 microphone 17
- INSTALLATION 18
- ■ Battery connection 19
- ■ Mounting the remote 19
- ■ DC power supply connection 20
- ■ Cable connection 20
- ■ Antenna installation 21
- FREQUENCY SETTING 22
- ■ Lock functions 23
- ■ Using the tuning dial 24
- ■ Using the [Y]/[Z] keys 24
- ■ Setting a tuning step 25
- ■ Using the keypad 26
- BASIC OPERATION 27
- ■ Monitor function 28
- ■ Audio mute function 28
- ■ Transmitting 28
- ■ Selecting output power 29
- ■ One-touch PTT function 29
- REPEATER OPERATION 30
- D DTMF tones 31
- ■ 1750 Hz tone 32
- ■ Subaudible tone 33
- ■ Offset frequency 34
- ■ Auto repeater function 35
- MEMORY/CALL CHANNELS 36
- ■ Programming after selection 37
- ■ Transferring memory 37
- ■ Programming during 38
- ■ Memory clear 40
- ■ Alphanumeric display 41
- ■ Call channel 42
- SCRATCH PAD MEMORY 44
- ■ Transferring scratch pad 45
- SCAN OPERATION 46
- ■ Full/programmed scan 47
- ■ Selecting scan edges 48
- ■ Memory scan 49
- ■ Skip channel setting 50
- ■ Scan resume condition 50
- BAND SCOPE 51
- PRIORITY WATCH 52
- SUBAUDIBLE TONE OPERATION 54
- ■ Pocket beep operation 56
- ■ Tone scan 57
- DTMF MEMORY 58
- ■ Transmitting a DTMF code 59
- ■ DTMF speed 60
- WIRELESS OPERATION 61
- ■ EX-1759 installation 62
- ■ HM-90 switches 63
- ■ Microphone address 66
- OTHER FUNCTIONS 67
- ■ Auto power-off function 68
- ■ Cooling fan 68
- ■ Squelch delay 69
- ■ Sub band mute 69
- ■ Sub band busy beep 70
- ■ Automatic RF attenuator 70
- ■ Memory name indication 71
- ■ HM-98 [F-1]/[F-2] keys 71
- ■ HM-97/118 [UP]/[DN] keys 72
- ■ Display contrast 72
- ■ Display brightness 73
- ■ Indication type 73
- ■ My call function 73
- ■ Packet operation 74
- D 1200 bps packet operation 75
- ■ Video monitor function 77
- ■ Demonstration display 78
- ■ AM/FM narrow mode 78
- ■ Fuse replacement 78
- ■ Partial reset 79
- ■ All reset 79
- CS-2800 CLONING SOFTWARE 80
- ■ COM port/call sign setting 81
- ■ Edit menu 82
- ■ DTMF autodial 82
- ■ Common settings 83
- ■ Exiting cloning mode 83
- TROUBLESHOOTING 84
- SPECIFICATIONS 86
- D Receiver 87
- Count on us! 88
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