Motorola MTR2000 T5544 Instruction / Field Service Manual page 319

Setting Up for Tuning Duplexer
Resonator
Tuning
Rods
Low-Pass High -
Notch Cavities
68P81085E16-B
09/30/05
Perform the preliminary tasks shown in Figure 8 to prepare the duplexer
module for tuning.
1.
Disconnect N-type connector
from each cavity (6).
Antenna
Connector
Figure 8. Preliminary Tasks Prior to Tuning Duplexer
High-Pass Low-
Notch Cavities
VHF Duplexer Module
2.
For each cavity, unscrew and re-
move trimmer screw dust covers
(9).
Trimmer
Screw
3.
Use allen wrench and loosen
tuning rod locking screws
(6).
Dust
Cover
11