ICOM i7000 User Manual Page 127
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- Table of contents
- TROUBLESHOOTING
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118
PACKET OPERATION
■ Packet operation
q
w
e
y
t
r
PIN #/NAME DESCRIPTION
q
DATA IN
Communication data input.
w
GND
Ground for DATA IN, DATA OUT and AF OUT.
Transmits when grounded.
e
PTTP
When grounded, microphone input (pin 6) of [MIC]
connector will be disconnected.
r
DATA OUT
Outputs 9600 bps receive data.
t
AF OUT
Outputs 1200 bps receive data.
y
SQL
Squelch output.
Goes to ground when squelch opens.
Rear panel view
D Adjusting the data speed
q Select
M
-
3
.
w Push [F-4
9600
] to select the 9600 mode ON and
OFF.
•“”appears when the 9600 mode is activated.
[MENU/GRP] [F-4]
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 ex-
clusively to the internal limiter circuitry to automati-
cally maintain bandwidth.
NEVER apply data levels from the TNC of over 0.6
Vp-p, otherwise the transceiver will not be able to
maintain the band width and may possibly interfere
with other stations.
NOTE: Read the instructions supplied with your
TNC carefully before attempting packet operation
with the IC-7000.
1.When using a level meter or synchroscope, adjust
the TX audio level (DATA IN level) from the TNC as
follows.
0.4 Vp-p (0.2 Vrms): recommended level
0.2–0.5 Vp-p (0.1–0.25 Vrms): acceptable level
2.When not using a measuring device.
➀ Connect the IC-7000 to a TNC.
➁Enter a test mode (“CAL”, etc.) on the TNC, then
transmit some test data.
➂When the transceiver fails to transmit test data or
transmits sporadically ([TX] indicator doesn’t light
red or blinks):
- Decrease the TNC output level until [TX] indica-
tor lights red continuously.
When transmission is not successful even though
[TX] indicator lights red continuously:
- Increase the TNC output level.
D Data socket
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- INSTRUCTION MANUAL 1
- IMPORTANT 2
- EXPLICIT DEFINITIONS 2
- FOREWORD SUPPLIED ACCESSORIES 2
- ILLUSTRATIONS 3
- ■ Front panel 4
- PRECAUTIONS 5
- TABLE OF CONTENTS 6
- PANEL DESCRIPTION 10
- D Menu M-1 functions 14
- D Menu M-2 functions 14
- D Menu M-3 functions 14
- 4 function is ON, “ ” appears 15
- D Menu S-1 functions 16
- D Menu S-2 functions 16
- D Menu S-3 functions 17
- D Menu G-1 (Scope) functions 17
- ■ Microphone (HM-151) 18
- Rear panel view 19
- 12345678 19
- ■ Rear panel 20
- D DATA socket 21
- D ACC socket 21
- ■ Function display 22
- INSTALLATION AND CONNECTIONS 24
- ■ Installation 25
- KEY ACC DATA 26
- ANT2 ANT1 26
- DC 13.8V 26
- ■ Advanced connections 27
- 3.5(d) mm 27
- ■ Power supply connections 28
- ■ Battery connections 28
- ■ External antenna tuners 29
- ■ Linear amplifier connections 30
- ■ Connections for CW 31
- ■ Connections for RTTY (FSK) 32
- ■ Connections for packet 33
- BASIC OPERATION 34
- ■ VFO description 35
- ■ Selecting VFO/memory mode 36
- ■ VFO operation 36
- ■ Selecting an operating band 37
- ■ Frequency setting 38
- Programmable tuning step 39
- Selecting “kHz” step 39
- ■ Volume setting 42
- ■ Operating mode selection 43
- ■ Voice synthesizer function 43
- ■ Meter function 45
- ■ Basic transmit operation 46
- ■ Lock functions 46
- D Setting output power 47
- D Setting microphone gain 47
- RECEIVE AND TRANSMIT 48
- ■ Operating CW 50
- 4 function (p. 32) 51
- 4 function ON and OFF 51
- D CW reverse mode 52
- CW side tone function 52
- D CW pitch control 53
- ■ Electronic CW keyer 54
- • Transmitting 55
- D Memory keyer send menu 55
- Set Tx power level 59
- ■ Operating RTTY (FSK) 60
- D RTTY reverse mode 62
- Twin peak filter 62
- ■ Operating AM 66
- ■ Operating FM 68
- D Tone squelch operation 69
- D Tone scan operation 70
- D DTCS operation 71
- ■ Repeater operation 72
- D Repeater tone frequency 73
- D Auto repeater function 74
- ■ 1750 Hz tone burst 76
- ■ DTMF memory encoder 76
- Programming a DTMF code 77
- Selected 77
- D DTMF speed 77
- ■ TV channel operation 78
- Skip channel setting 79
- Channel frequency adjustment 80
- FUNCTIONS FOR RECEIVE 81
- D Center mode 82
- D Scope set mode 82
- ■ Preamp and attenuator 83
- ■ RIT function 84
- ■ AGC function 85
- ■ IF filter selection 86
- ■ Twin PBT operation 88
- ■ Noise blanker 89
- ■ Noise reduction 90
- ■ Notch function 91
- Manual notch function 92
- D Manual notch filter set mode 92
- ■ Meter peak hold function 93
- FUNCTIONS FOR TRANSMIT 94
- ■ VOX function 94
- 0 . 2 s 95
- 5 0 % 95
- ■ Break-in function 96
- TX function 97
- ■ Speech compressor 98
- ■ Monitor function 98
- COMP Level 99
- D Compression level setting 99
- ■ Split frequency operation 100
- ■ Quick split function 101
- D Quick split setting 102
- ■ Measuring SWR 103
- VOICE RECORDER FUNCTIONS 104
- D One-touch voice recording 105
- Menu selection (Example: S) 106
- Menu group selection 106
- D Recording 107
- •Erasing the recoded contents 107
- ■ Sending a recorded message 109
- ■ Voice set mode 110
- ■ Memory channel selection 111
- MEMORY OPERATION 111
- ■ Memory channels 111
- ■ Memory programming 112
- D Programming in memory mode 113
- ■ Memory channel list 114
- D Selecting a memory bank 115
- D Memory names 116
- ■ Memory clearing 117
- ■ Frequency transferring 118
- D Transferring in memory mode 119
- ■ Memo pads 120
- SCAN OPERATION 122
- ■ Programmed scan operation 123
- ■ Memory scan operation 123
- ■ Priority watch 124
- ANTENNA TUNER OPERATION 125
- ■ Optional AT-180 125
- ■ Optional AH-4 126
- PACKET OPERATION 127
- CLOCK AND TIMERS 128
- D Setting the current year 129
- D Setting the current date 129
- D Setting the current time 129
- D Auto power OFF activity 130
- D Clock2 function activity 130
- D Clock2 offset setting 130
- SET MODE 131
- ■ Quick set mode 132
- Quick set mode (continued) 133
- ■ Display set mode 135
- Display set mode (continued) 136
- ANTENNA TUNER 141
- To [MIC] connector pin e 146
- To [MIC] connector pin u 146
- V LEVEL CONVERTER 147
- MAINTENANCE 148
- TROUBLESHOOTING 149
- TRANSMITDISPLAYSCAN 150
- POSSIBLE CAUSE SOLUTION REF 150
- OPTION UNITS SETTING 151
- ■ MB-106 151
- CARRYING HANDLE 151
- CONTROL COMMAND 153
- • Command table (continued) 154
- SPECIFICATIONS 159
- MENU GUIDE 162
- MENU/GRP)] or [AF] switch 163
- A-6241H-1EX 166
- Printed in Japan 166
- © 2005 Icom Inc 166
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