User's Manual

TEKCOM Industries Limited
Page 4 of 11
D. BASIC OPERATION
Before operating your transceiver, you should make the following preparations. You should install
the battery pack on to the main unit and fully charge your 7.2VDC Ni-CD battery pack, then you
can use it after making sure to attach the antenna on your radio.
Turning On/Off Your Transceiver
Rotate VOLUME knob to turn the transceiver on or off with an indicating voice of click. And adjust
the volume to a comfortable level.
Illuminating the Display
When your radio is on, push LOCK/LIGHT key once to illuminate the display for 5 seconds. Once
more press will turn off the backlight.
Monitor
The monitor function allows faint signals on a channel to be heard. To activate the monitor function,
press and hold the MONI button to hear all traffic on the current channel. Release the MONI
button when finish listening.
Using Key Lock
You can lock your radio keypad to avoid accidental pressing of keys by activating the key lock.
Pressing and holding MONI button then press the LOCK/LIGHT key can enable or disable the key
lock. Key lock icon will appear on LCD if it is enabled. The function is effective to all other
knobs/keys except MONI, PTT, 16 and LIGHT/LOCK buttons.
Selecting High/Low Power
In order to extend the battery life, you can also press HI/LO/BAND key while holding MONI button
to select the low power for your transceiver. If you want to send or hear long distance or weaker
signals, press the key combination again to select the high power. High power is 5.0 watts, and
low power is 1.0 watt. When the unit is operating at low power, “LO” appears on LCD and
disappears when operating at high power.
Selecting a Band
Three bands are available on the TM-882 – USA, International and Weather. The USA band are
frequencies for use in US boundaries. The International band are frequencies for use outside US
boundaries. The Weather band monitors weather broadcasts. To switch between bands, press the
HI/LO/BAND key until the desired band is reached. The band in use is indicated on the LCD by
USA, INT or WX.
Selecting a Channel
Select the appropriate band – USA, International or Weather. Once the band is selected, press the
CHL/SQL (UP/DOWN) button to scroll through the available channels.
Note: Not all channel numbers are available in all bands.