Motorola PM1200, Basic Service Manual

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October 26, 2007 6880309U09-A
5-6 Radio Alignment and Programming Procedures : PM1200 Radio Alignment Software
5. Left-click the Auto ADJ mode button. The "Power On Start" screen appears.
Figure 5-3. Power On Start Screen
6. Within 20 seconds after clicking the Auto ADJ mode button, press the Power button to turn
the radio on. The "Adjustment data setting" screen appears, displaying the current alignment
data from the radio..
Figure 5-4. Adjustment Data Screen
5.5.3 RX Tune Alignment
1. Left-click the Rx Tune tab to align the Rx Tune Circuit.
2. Inject an on channel signal to the radio at -47 dBm with ±3.0 kHz deviation of a 1 kHz audio
tone to verify the radio is receiving the desired frequency.
3. Adjust to the rated audio by rotating the Volume Knob to 6.32 V.
4. Reduce the RF Signal Generator output to the Center frequency of the operating band, to a
level around -119 dBm in order to get 12dB SINAD.
5. Left-click and hold the mouse button to adjust the coarse receiver SINAD by sliding the Adjust
Value slide bar upward or downward. Reduce the Signal Generator output level as necessary
for proper SINAD meter deflection.