22
Alignment
able DCS code 627 (encode), and download
this data to the transceiver.
r With the AF generator still set to zero, key the
transmitter, and adjust VR1005 (MAIN Unit)
for ±900 Hz deviation on the DCS signal (with-
in 100 Hz).
Receiver Squelch Threshold
r Set the transceiver to channel 2. Set the RF sig-
nal generator to the same frequency (147.000
for version A, 161.000 MHz for version C). Set
the signal generator’s output to -8 dBµ.
r Adjust VR1006 (MAIN Unit) clockwise until
the squelch just closes, and then counterclock-
wise until the squelch just opens.
r Turn off the signal generator, and confirm that
the squelch again closes when the RF input
signal disappears.
Restore Original Channel Data
r When all alignment steps have been complet-
ed, re-load the original channel data from your
computer’s disk, and download it to the trans-
ceiver.
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