Interface Of Packet Tncs - Yaesu VX-6R Operating Manual

Dual band heavy duty submersible transceiver
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The VX-6R may be used for Packet operation, using the optional CT-91 microphone adapter
(available from your Yaesu dealer) for easy interconnection to commonly-available con-
nectors wired to your TNC. You may also build your own cable, using a four-conductor
miniature phone plug, per the diagram below.
The audio level from the receiver to the TNC may be adjusted by using the VOL knob, as
with voice operation. The input level to the VX-6R from the TNC may be adjusted via Set
Mode Item 37:
MCGAIN
Be sure to turn the transceiver and TNC off before connecting the cables, so as to prevent
voltage spikes from possibly damaging your transceiver.
When you are operating on Packet, switch the Receive Battery Saver OFF, as the "sleep"
cycle may "collide" with the beginning of an incoming Packet transmission, causing your
TNC not to receive the full data burst. See page 77 for details regarding Receive Battery
Saver setup. Remember to readjust the default microphone input level to "
MCGAIN
Mode Item 37:
VX-6R O
I
; see page 18 for details.
) when Packet operation is finished.
M
P
TNC
LVL 5
" (Set
11

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