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Internal Modem
This menu option allows the user to enable or disable the internal HF data modem
functionality of the transceiver.
use the scroll keys to select the required setting then press the
key
press the key
Note:- Once the “Internal Modem” option is enabled, transceivers cannot be
controlled or programmed via RS232 communications. The “Internal Modem”
must be disabled to allow re-programming or control of the transceiver
through RS232 communications.