Figure 6-13. Tx Deviation Limit Alignment Screen - Motorola ASTRO XTL 5000 Basic Service Manual

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2. Left-click the highest frequency field first.
3. Left-click the PTT Toggle button on the screen to make the radio transmit. Wait
approximately 5 seconds until the deviation/voltage displayed on the analyzer stabilizes. The
screen indicates whether the radio is transmitting.
4. Adjust the deviation limit between 0.158 and 0.163 Vac on the R-2670 (2.785 to 2.885 kHz).
The optimum setting is 0.160 Vac (2.83 kHz).
5. Repeat steps 3-5 for the remaining frequencies.
6. Left-click the Program All button on the screen to dekey the radio and save the tuned values.
7. Left-click the Close button on the screen to return to the Tuner Main Menu.
6.4.10 Receive Front-End Filter (UHF Only)
NOTE: The receiver front-end filter alignment is available only for the UHF band of the XTL 5000
radio. This alignment is required after replacing or servicing the RF board.
This alignment procedure adjusts the receiver front-end bandpass filters for the best receiver
sensitivity and selectivity. It should be performed for all test frequencies to allow for proper software
interpolation for frequencies between the test frequencies in the band.
1. Apply an RF signal with no modulation at -90 dBm on the current operating frequency.
October 30, 2006

Figure 6-13. Tx Deviation Limit Alignment Screen

Radio Alignment Procedures: Transmitter Alignments
6871769L01-A