Kenwood 440 MHz TH-D7A, 144 instruction manual Selecting Data Band, Full Duplex

SELECTING DATA BAND

This transceiver is capable of receiving packet data on one band (data band) while receiving audio on another band. Select band A or B as the data band for receiving or transmitting packets. “ ” indicates the current data band; the default is band A.

Access Menu 1–4–1 (DATA BAND) and select band A or B.

You can also select the method for inhibiting the built-in TNC from transmitting. Access Menu 1–4–2 (DCD SENSE) and select one of the two methods.

D BAND ONLY:

The TNC does not transmit when signals are present on the data band.

BOTH BANDS:

The TNC does not transmit when signals are present on the data band or another band.

FULL DUPLEX

This transceiver is also capable of simultaneously transmitting and receiving signals. So, it is possible to transmit audio on the current band while receiving packet data on another band (data band).

Press [DUP] to enter Full Duplex mode.

• “DUP” appears.

STA CON PACKET96 BCON

5 7 9

To exit Full Duplex mode, press [DUP] again.

Note:

◆You cannot use the Full Duplex function after recalling the VHF band on band B or blanking one band.

◆When using the Full Duplex function, connect an earphone to the SP jack. Using an earphone will prevent feedback that can cause the transceiver to emit a howling sound.

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