Data Mode (Afsk) OperatOn - Icom IC-7600 Instruction Manual

■ Data mode (AFSK) operation
When operatng AMTOR or PACKET wth your TNC
and/or PC software, consult the manual that comes
wth the TNC and/or the software.
q Connect a PC and TNC to the transcever. (p. 22)
w Push a band key to select the desred band.
e Push [SSB] or [AM/FM] to select the desred oper-
atng mode.
r Push and hold [SSB] or [AM/FM] that s pushed n
step e for 1 sec. to turn data mode ON.
• One of "-D1," "-D2" or "-D3" s addtonally appears.
• Durng data mode selecton, push and hold [SSB] or
[AM/FM] for 1 sec. to select data mode 1 (D1), 2 (D2)
and 3 (D3) n sequence.
t Rotate the man dal to tune to the desred sgnal
and decode t correctly.
• Also use the tunng ndcator of the TNC or software.
• Durng SSB data mode, the
used for crtcal tunng.
y Operate the PC (software) or TNC to transmt.
• When operatng n SSB data mode, adjust the TNC
output level so that the ALC meter readng doesn't go
outsde the ALC zone.
NOTE: When data mode s selected, the audo
nput from the [ACC1] (pn 4) s used for transms-
son nstead of [MIC]'s dependng on the set mode
settngs. Modulaton nput connector can be
changed n ACC set mode (p. 124)
The fxed condton s used for SSB data transms-
son as follows:
• [COMP]
• Tx bandwdth
• Tx Tone (Bass)
• Tx Tone (Trebles) : 0
* Fxed to the default value (lower: 300, hgher:
2700). (p. 122)
✔ For your information
Carrer frequency s dsplayed when SSB data mode
s selected.
See the dagram at rght for the tone-par example.
1 ⁄ tunng functon can be
4
: OFF
: MID*
: 0
RECEIVE AND TRANSMIT
SSB
Appears
• Tone-pair example
2325 Hz
200 Hz
4
Band keys
Main dial
AM/FM
2125 Hz
Carrier frequency
(displayed frequency)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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