DESCRIPTION
4 LBI-38438A
1 DESCRIPTION
The service section contains the information necessary for aligning and troubleshooting
the MLS 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
After the radio has been installed as described in the Installation Manual, the following
adjustments should be made by a certified electronics technician.
2.1 TRANSMITTER ADJUSTMENT
The transmitter has been adjusted at the factory and should require no readjustment.
However, the antenna length should be adjusted for optimum VSWR, and the frequency
and modulation measured and recorded for future reference. For the complete transmitter
adjustment, 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 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.
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