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I
NTERFACE OF
The VX-8DR/DE may be used for Packet operation, using the optional CT-M11 MIC/SP
Connection Cable (available from your Yaesu dealer) for easy interconnection to com-
monly-available connectors wired to your TNC.
The audio level from the receiver to the TNC may be adjusted by rotating the DIAL knob
while pressing and holding the
VX-8DR/DE from the TNC should be adjusted at the TNC side; the optimum input volt-
age is approximately 5 mV at 2000 Ohms.
Be sure to turn the transceiver and TNC off before connecting the cables, to prevent volt-
age spikes from damaging your transceiver.
CT-M11 MIC/SP Connection Cable
12
P
TNC
ACKET
key, as with voice operation. The input level to the
S
Brown
10 F
Orange
2 kΩ
Red
Black
22 kΩ
If you wish to disable the
Gray
VX-8DR/DE internal
speaker while packet
operation, connect a 22
kΩ resistor between
wires Black and Gray.
VX-8DR/DE O
TNC
SP
GND
µ
MIC
PTT
GND
M
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