6-18
SECTION 6
OPTIONS
6-9-5 TESTING A TRANSMITTER USING DIGITAL SIGNALING
FORMATS
This procedure is an example for testing a Transmitter using Digital Signaling Formats.
In this procedure, an RF signal is received and demodulated for the POCSAG message.
o Press REC Test Mode Key to access RF Receive Operation Screen.
o Enter Transmitter frequency in RF Field.
o Select desired Input Connector for input of signal. If Transmitter is tested with
direct connection, connect Transmitter Output Connector to T/R Connector.
Otherwise, connect antennas to ANTENNA Connector and Transmitter Output
Connector.
o Set Demodulation Type to FM.
o Set IF Bandwidth to 15 kHz.
o Select DATA DEC as Audio Filter. Set Filter for 20 kHz Low-Pass.
o Select POCSAG or POCSAG/ for Tone/Data Type.
o With cursor on Tone/Data Code Field, press F2 DECODE to access Decode Screen.
o Set Decode Function to ALPHANO for Alphanumeric decode only, NUMERIC for
Numeric decode only or AUTO for automatic selection based on POCSAG Message.
o Set Data Rate to required setting for Transmitter.
o If use of Scroll Function is required, press F5 SCROLL until highlighted.
o Press DECODE Soft Function Key F1 to start Decode Function.
o Verify transmitted message is decoded properly on Decode Screen. Press F2 STOP
any time to stop decoding.
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