Motorola GR300 service manual

Contents

Main Radius GR300 Service Manual Introduction Installation Operation Table Of Contents ZR310 Community Repeater Panel Section 4 Theory of Operation Section 5 Maintenance March, 1993 6880902Z68-O Table Of Contents Appendix A - DTMF Commands Overview Standard Features System Configuration System Functions User Functions Physical Description Page Overview Equipment Required For Installation Installation Procedures Assembly Install the ZR310 Into the GM300 Page Fan Installation Page Page GR300 Housing Kit HLN8391_ Page Overview Basic Operation TPL Tones and DPL Codes User Validation Enabled Users Regenerated TPL/DPL/CSQ Carrier Repeat Reserved Users When a User Unkeys Radio Morse Code Station Identification Reserve Mode Courtesy Tone Barge In (Privacy Mode) Repeater Hang Time Encode During Transmit Hold Time Repeater Set-up/Knockdown Section 4 Theory of Operation Overview Circuit Description Microprocessor Serial Communications Section 4 Theory of Operation TPL Encoding DPL Encoding Beep Tone Encoding Squelch/Repeater Audio Section 5 Maintenance Overview Visual Inspection Cleaning Diagnostic Commands Section 5 Maintenance Top Cover Removal Troubleshooting Overview Programming Via Radio Service Software (RSS) Getting Started Programming the Repeater Reading the Transmitter Radio Reading the Receiver Configuring the System Page System Programmable Fields Page User Programmable Fields View All Users Radio Parameters Low Battery Alert Customizing Your Accessories Programming Over-T he-Air Entering the Program Mode Exiting the Program Mode Entering a Command Program Mode Access Code System Commands Stuck Mic Timeout Timer Mic DTMF Hang Time Carrier Repeat (CSQ) User Courtesy Tone System ID User Station ID Frequency Station ID Interval Station ID Speed Appendix A DTMF Commands March, 1993 6880902Z68-O A-1