Motorola Gm3688 Service Manual Top Info

The Motorola GM3688 Go to product viewer dialog for this item.

: Keeps the radio from drifting off-channel.

Reputable radio hobbyist sites that archive manuals (e.g., Repeater Builder or various radio manual repositories). motorola gm3688 service manual top

: Procedures for aligning the radio's RF performance using a computer and tuning software. Key Features Covered

The manual details several advanced features that made this radio a staple in the transportation and manufacturing industries: The Motorola GM3688 Go to product viewer dialog

Do you have an available for testing?

The GM3688 is known for a "squelch crash" at the end of a transmission. The manual’s "Signalling & Squelch" section covers how to adjust the Hysteresis and Attack/Decay times via the service software to eliminate the annoying pop. : Procedures for aligning the radio's RF performance

Inject a calibrated signal at the injection frequency to see if the mixer and crystal filters are functioning.

Measuring RF power into a 50-ohm dummy load.