15
ADDING CRYSTALS
Your TRC-93 includes two crystals (trans-
mit and receive) installed in channel posi-
tion A. The crystals let you use the CB on
channel 14. You can add two more crys-
tals 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-93, available from your local Ra-
dioShack store. Be sure to specify the
channel you want and the TRC-93’s cata-
log number (Cat. No. 21-1615).
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
21-1615.fm Page 15 Thursday, August 5, 1999 11:07 AM
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