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15
OTHER FUNCTIONS
D9600 bps high speed packet operation
The transceiver supports 2 modes of 9600 bps packet opera-
tion: G3RUH and GMSK.
q Connect the transceiver and a TNC as illustrated below.
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 30–50.
r Adjust the TNC frequency deviation if necessary (see page
at right).
•When using the PTTP terminal for packet operation, no
voice signals are transmitted from the microphone.
•When pushing [PTT] during data transmission, data trans-
mission is interrupted and the voice signal takes priority.
•Read the instructions supplied with your TNC carefully be-
fore 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.
TNC side
SQL
PTT
RX AUDIO
GND
TX AUDIO
q DATA IN
w GND
e PTT P r DATA OUT
y P SQL
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