Specifications

LBI-33057
20
STOP PLATE REPOSITIONING
1. Remove the Control Knob using an M15 hex
wrench.
2. Lift the stop plate using small needle-nose pliers.
3. Reposition the stop plate by aligning the raised
bar to the channel marking one (1) number
higher than the number of positions required. For
example, if eight (8) unique positions are re-
quired, align the raised bar to the "9". If sixteen
(16) positions are required, do not reinstall the
stop plate.
4. Replace the Control Knob and torque the set
screw per Table 1. The set screw must align on
the flat area of the switch shaft Rotate the knob to
test for proper operation.
FIELD RF RETUNING
PROCEDURES
This section outlines field RF retuning procedures
which will be necessary if the factory tuned 20 MHz op-
erating band does not meet needed requirements. Note
that the frequency range limits of the RF Board cannot be
exceeded. The procedures should be performed in the or-
der presented.
Figure 10 - RF Board Retuning Areas