Rev. 1.0 Page 23
START
STOP
Test TX DTMF Decode
Setup:
1. This COM-120B has been pre-configured for common transmitter test
setups.
2. Press the key to access the COM-120B System Setup
Utility software.
3. The menu to the right will appear.
4. Select STEP 4 by positioning the cursor
and pressing [F1] Execute.
5. The COM-120B will configure itself for
decoding Transmitter DTMF codes.
Interconnect:
1. Connect the Transmitter RF Output to the COM-120B’s T/R Input.
2. Connect the COM-120B’s Audio/Data Gen Out to the Radio’s
Microphone Input.
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