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6. Insert a new matched pair of crystals
(send and receive) into the sockets
for Channel B or C.
The sockets for the crystals are
marked next to Channel A on the cir-
cuit board with X1 (receive) and X2
(transmit). The channel’s letter (A, B,
or C) is marked on the circuit board
and on the diagram below.
Important: Be sure you install the
receive (R) and transmit (T) crystals
in their correct sockets. Do not
reverse the transmit and receive
crystals. If you do, the TRC-235 will
transmit and receive on frequencies
outside the citizen’s band, resulting
in illegal operation.
7. When you have finished installing
new crystals, carefully fit the TRC-
235’s front cover to the back cover
and gently squeeze them together.
Make sure the BATT TEST indicator
shows through the front of the TRC-
235 when you reassemble it.
8. Replace
CHANNEL
on the front of the
TRC-235, the back cover’s three
screws, the batteries (if installed)
and the battery compartment cover,
then replace the strap.
(some circuitr
y
details left out
for clarit
y
)
Channel C
Channel B
Channel A
21-1620.fm Page 27 Thursday, August 5, 1999 11:16 AM