Motorola PM1200, Basic Service Manual

Page: 51 / 138

6880309U09-A October 26, 2007
Radio Alignment and Programming Procedures : PM1200 Radio Alignment Software 5-9
5.5.5 TX Power Alignment
1. Left-click the Tx Power tab to align the Transmitter Power Output.
2. Left-click the Hi Power , then left-click PTT On to trigger the radio to transmit.
3. Left-click and hold the mouse button to adjust the coarse Transmit Output Power by sliding
the Adjust Value slide bar upward or downward.
4. Repeat the same procedure to fine adjust the Transmit Output Power on each of the
programmed operating frequencies, using the Frequency offset slide bars associated with the
various channel frequencies.
5. Left-click Low Power then repeat steps 3 and 4 for the Low Power mode.
Figure 5-7. TX Power Alignment Screen
5.5.6 TX Deviation Alignment
5.5.6.1 Maximum Deviation
1. Left-click the Deviation tab to align the Transmitter Deviation.
2. Left-click Max Dev .
3. Inject a 1000 mV, 1 kHz tone signal to the MIC jack, then left-click PTT On to engage the
transmitter.
4. Left-click and hold the mouse button to adjust the coarse Maximum Deviation ±4.1 kHz (±0.1
kHz)] by sliding the Adjust Value slide bar upward or downward.
Table 5-2. Transmit Output Power
Band VHF Low
High Power 120 W ± 3 W
Low Power 50 W ± 2 W