Comnet MLS II MLSH041, Руководство по обслуживанию

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LBI-38425A DESCRIPTION AND INITIAL ADJUSTMENT
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1 DESCRIPTION
The service section contains the information necessary for aligning and troubleshooting
the MLS II (MLSH041) two-way FM mobile radio. In addition, information is provided
for removing and replacing chip components, disassembly procedures and module
replacement procedures.
2 INITIAL ADJUSTMENT
The following adjustments should be made by a certified electronics technician after the
radio has been installed as described in the Installation Manual.
2.1 TRANSMITTER ADJUSTMENT
The transmitter has been adjusted at the factory and should require no readjustment.
However, the antenna length should he adjusted for optimum VSWR, and the frequency
and modulation measured and recorded for future reference. For the complete
transmitter alignment, refer to the Alignment Procedure (see Table of Contents).
2.2 RECEIVER ADJUSTMENT
No initial adjustments to the receiver are required. Refer to the Table of Contents for the
complete receiver alignment.
2.3 RE-INSTALLATION
The MLS II series mobile radios are designed to operate in 12-Volt negative ground
vehicles only. If the mobile radio is moved to a different vehicle, always check the
battery polarity of the new vehicle system.