TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TLC-100 90-6R Installation & Operating Instructions
TiL 92RE130 Rev C
4-10
4.4.4
Pre-programming Channel Frequencies
Determine the number of channels to be used and the specific frequency of each channel for the
particular transceiver being worked on. Prepare a list of channel numbers and frequencies to be
pre-programmed, then proceed as follows:
FREQUENCY SELECTION MHZ
Refer to Table 4.3 Frequency Selection MHz. Using the OPERATING FREQUENCY (MHz)
column, find the desired frequency in MHz. Cross-refer to the DIODE LOCATION column, and
record the locations in which diodes are to be installed, as indicated by a "1" entry.
FREQUENCY SELECTION KHZ
Refer to Table 4.4, Frequency Selection kHz. Using the OPERATING FREQUENCY kHz column,
find the portion of the desired frequency in kHz. Cross-refer to the DIODE LOCATION column,
and record the locations in which diodes are to be installed, as indicated by a "1" entry.
NOTE:
Channel 1 is already pre-programmed for 121.900
MHz. It will be necessary to remove existing diodes if
changing Channel 1 from 121.900 MHz.
INSTALLATION OF DIODES
Using the required number of diodes as determined during FREQUENCY SELECTION MHz and
FREQUENCY SELECTION kHz, install each diode in its applicable location CR1 through CR72
for each channel to be used.
Ensure that each diode is installed using correct polarity, as shown in Figure 4.2, using Multicore
Solder SN63, 1 mm, or equivalent, and appropriate soldering iron. Trim leads on underside of
printed wiring board and remove solder flux residue.
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