TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TBS-150, 250, 350 Installation & Operating Instructions
TiL 92RE122 Rev L
3-7
3.3
FRONT PANEL KEYPAD OPERATION
Note: The TiL-91-DE transceiver was available in either 10 or 25 channel versions
until July 2012. The 25 channel version can be identified by ‘25’ or ‘1283T’ on the
option label on those units. All units manufactured after July 2012 are 25 channel
only.
All frequencies within the range of 117.975 MHz to 138.000 MHz in steps of 25
kHz can be stored in one of the available memories. Channels and feature settings
are stored in non-volatile memory. Removal of external power source or batteries
will not erase stored channels or configurable features. Emergency channel 121.500
is always available as described below. Refer to paragraph 3.3.6 for details. Table
3.3 Provides a Quick Reference of the CHANNEL/FUNCTION SELECTOR KEYPAD
Functions.
TABLE 3.3
CHANNEL/FUNCTION SELECTOR KEYPAD
KEYPAD FUNCTIONAL
DESCRIPTION
DIGIT 0-9
For direct frequency entry. If followed only by the ‘E’ key the transceiver will
tune to that frequency but nothing will be saved in memory. If followed by ‘E’
and one digit (for 10 channel radios) or two digits (for 25 channel radios) the
transceiver will tune to that frequency and save to the memory selected.
"R"
Recalls stored channel frequency when followed by digits 0 to 9 or
00 to 25
.
Recalls last frequency displayed when preceded by the "E" key.
"E"
* Stores a frequency to channel when followed by digits 0 to 9 or
00 to 25
.
Enables Special Features (See Below).
"E","0"
Recalls permanently stored emergency channel 121.500 MHz.
"E","1"
Selects Automatic Lighting of Keypad and LCD Display.
"E","2"
Selects Continuous Lighting of Keypad and LCD Display.
"E","3"
Disables Keypad and LCD Display Lighting.
"E","4"
Selects SEARCH mode.
"E","5"
Selects SCAN mode.
"E","6"
Enables 90 second Tx time-out protection.
"E","7"
Disables 90 second Tx time-out protection.
"E","8"
Toggles Key "Beeps" ON and OFF.
"E","9"
Disables/Enables transmit on selected frequency.
"E","R"
Toggles between currently displayed frequency and the previously displayed
frequency.
Note: There is a 5 second keypad time out. If while entering a frequency or setting a
function, no key has been pressed within 5 seconds, the function will be aborted and the
display will return to the previous frequency.
