Motorola MTR3000 Basic Service Manual

MTR3000 Radio Frequency Distribution System (RFDS) Equipment: Field Tuning Procedures 9-29
9.5.2.1.2 Setting Up for Tuning Duplexer
Perform the preliminary tasks shown in Figure 9-22 to prepare the duplexer module for tuning.
Figure 9-22 Preliminary Tasks Prior to Tuning Duplexer
1. Disconnect twelve N-type connectors and
remove six cables from cavities.
2. For each of the 6 cavities, use
open-end wrench to loosen
locknuts (2 per cavity).
Low-Pass High -
Notch Cavities
High-Pass Low-
Notch Cavities
HI
ANT
LO
LO
Notching
Adjustment
Screw
Pass
Adjustment
Screw
C a u t i o n
Each Duplexer cable is unique and must be returned to the original position when removed. Use tape
to label each end of each cable to ensure it is correctly replaced.

Motorola MTR3000 Specifications

General

Brand	Motorola
Model	MTR3000
Category	Accessories
Language	English