Figure 6-10. Tx Current Limit Alignment Screen; Table 6-14. Transmit Current Limit Offset - Motorola ASTRO XTL 5000 Basic Service Manual

700–800 mhz digital mobile radio
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Radio Alignment Procedures: Transmitter Alignments
2. Select Tx Current Limit from the Tuner Main Menu.
3. Use a slider or the spin buttons to change any one softpot value to 255.
4. Left-click the Program All button to save the tuned value. All softpots will change to 255, and
transmit-current limiting will be disabled.
5. Left-click in upper softpot box.
6. Left-click the PTT Toggle button to transmit and record radio the transmit current drain. The
tuner software uses a high CPS-adjustable power-level setting when transmitting.
7. Left-click the PTT Toggle button to disable transmit mode.
8. Repeat steps 6-8 for each test frequency to determine the frequency at which maximum
transmit current drain occurs.
9. Once the proper test frequency is determined, left-click the PTT Toggle button to transmit
and record transmit power on that test frequency.
10. Decrease the softpot value until transmit power degrades by 5%, and then left-click the PTT
Toggle button to disable transmit.
11. Increase the softpot value to set the proper operating head room.
700–800 MHz 35 W/15 W Motorcycle
6881096C73-O

Figure 6-10. Tx Current Limit Alignment Screen

Table 6-14. Transmit Current Limit Offset

Band/Power Level
Current Limit Offset
8
6-11
June 11, 2003

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