A complete inventory of replacement kits, microphones (like the HMN3413), and mounting brackets. Key Technical Specifications
: Contains technical specifications, circuit descriptions, and detailed schematic diagrams . motorola gm3688 service manual top
: Sites like Repeater Builder and Elektrotanya host various GM series technical manuals for download. A complete inventory of replacement kits, microphones (like
The GM3688 uses digital potentiometers controlled via the CPS (Computer Programming Software). The service manual tells you exactly which soft-pot adjusts the TX audio deviation. Pro tip: Over-deviating above 5 kHz will cause distortion on repeaters. The manual provides the 60% deviation limit (3 kHz) for optimal talk power. The GM3688 uses digital potentiometers controlled via the
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