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13
OTHER FUNCTIONS
D 9600 bps high speed packet operation
The transceiver supports 2 modes of 9600 bps packet
operation: G3RUH and GMSK.
q Connect the transceiver and a TNC as illustrated below.
q DATA IN
e PTT P
w G3RUH mode can handle 16 kinds of modulated wave
forms in order to maintain a communication link.
e Set transmit delay on the TNC to 50–100 msec., if
available.
r Adjust the TNC frequency deviation if necessary (see
next page).
160
TNC side
TX AUDIO
GND
w GND
r DATA OUT
y P SQL
RX AUDIO
PTT
SQL
• When using the PTT-P terminal for packet operation, no
voice signals are transmitted from the microphone.
• When pushing [PTT] during data transmission, data
transmission is interrupted and the voice signal takes
priority.
• Read the instructions supplied with your TNC carefully
before attempting packet operation with the transceiver.
• Pin r DATA OUT is for 9600 bps operation only. This pin
cannot be used for 1200 bps operation.
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