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11 OTHER FUNCTIONS
D 9600 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.
r Adjust the TNC frequency deviation if necessary (see page
at right).
• 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 pri-
ority.
• 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.
TNC side
SQL
PTT
RX AUDIO
GND
TX AUDIO
q DATA IN
w GND
e PTT P r DATA OUT
y P SQL