User's Manual

MASTR III Repeater Calibration Procedure 5/16/2011
Raytheon JPS Communications, Inc. 2-4
8/22/2011
2.1.3.2 Start a Sine Wave test tone in PCCT and adjust the Tx Gain for
approximately 2.8kHz as read on the test set deviation meter (Figure 2-3).
Adjust the Tx Offset to as necessary to get the correct transmit frequency
(minimum offset). The Tx Gain and Offset Pots are interactive so this will
require some iteration to get the proper settings. Once you have made
coarse adjustments, use the TxVcoGain and TxVcoOffset Pots for finer
steps. The TxVcoOffset Pot has 100 step increments; you can interpolate
and enter a number in the box to get a finer step if necessary.
Figure 2-3 Test Set Oscilloscope: Demodulated Audio