Radio Shack 21-1620 - Manual (Page 24)

24
ADDING CRYSTALS
Your TRC-235 includes two crystals
(transmit and receive) installed in channel
position A. The crystals let you use the CB
on channel 14. You can add two more
crystals in channel positions B and C so
you can use any two other channels of the
40 allotted to CBs. However, you must
use only crystals specifically designed for
the TRC-235, available from your local
RadioShack store. Be sure to specify the
channel you want and the TRC-235’s cat-
alog number (Cat. No. 21-1620).
Note: Channel A crystals are soldered in,
and can be replaced only by a qualified
technician.
The following chart shows the frequency
pairs (in
MHz ) for receiving and transmit-
ting on each CB channel.
Note: Receive crystals use a frequency
455 kHz lower than transmit crystals.
Channel Transmit Receive
1 26.965 26.510
2 26.975 26.520
3 26.985 26.530
4 27.005 26.550
5 27.015 26.560
6 27.025 26.570
7 27.035 26.580
8 27.055 26.600
9 27.065 26.610
10 27.075 26.620
11 27.085 26.630
12 27.105 26.650
13 27.115 26.660
14 27.125 26.670
15 27.135 26.680
21-1620.fm Page 24 Thursday, August 5, 1999 11:16 AM