– Often have the document but may require download registration.

Detailed PCB layouts and schematics for the RF and logic boards. Key Maintenance Procedures

Note that the Commercial Series Customer Programming Software (CPS) is required to change frequencies or features, which is separate from the service manual.

Reassemble per the mechanical exploded view (Section 8). Apply power. Radio powers on. Then perform the “Quick Check” (Section 1.2): Listen for proper squelch open, transmit current draw (should be <1.4A at 4W UHF).

Which of those would you like?

Most users rely on the CPS (Customer Programming Software) to set frequencies, but the service manual provides the which are critical for performance.