Tekcom TM 882 Users Manual

OWNER’S MANUAL

TM-882A (American Version)

June 12, 2002

INTRODUCTION

Your marine transceiver TM-882 represents the state-of-the-art in high-tech engineering. Designed
for US and international operation, plus 10 weather channels. This allows you to transmit and
receive on all US and international channels in the VHF marine band, as assigned by the
international Union (ITU). This unit is a quality piece of electronic equipment, skillfully constructed
with the finest components. It is approved with commercial-grade standards to give you clear,
reliable communication.

Your transceiver is designed for many years of reliable, trouble-free performance. It is under
control of a microprocessor resulting in enhanced features and performance. The microprocessor
controls not only the marine band tuning but also dual watch, memory channels, weather monitor,
and a host of other useful features.

Your transceiver has the following features:
Emergency Channel 16 Switch ---- provides quick access to channel 16, the universal marine

emergency channel.

Weather Channel Selection ---- lets you select from 10 weather channels for alert signal.
PLL (Phase Lock Loop) Controlled Circuitry ---- Provides accurate and stable channel

selection.

Squelch Adjustment ---- help eliminate noise between transmissions.
Mode Switch ---- lets you quickly select weather channel mode, the US channel mode and

international channel mode.

Key Lock ---- lets you lock the keypad in order to prevent the controls from accidental pressing.
Call Button ---- lets you store a priority channel.
High/Low Power Selection ---- lets you save power by selecting a suitable transmitting power for

long or short distances.

Battery Low Indicator ---- shows the battery pack’s condition.
Supplied Battery Charger ---- lets you conveniently recharge your transceiver’s battery pack.
Speaker and Microphone Jacks ---- let you use an earphone or external speaker or microphone

to help ensure understandable communication in noisy areas.

Backlit LCD Display ---- allows you to operate the transceiver in dark environment.
10 Memory Channels ---- lets you store 10 channels as memory channels.

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Dual/Scan Button ---- lets you to select the reception of a programmed channel or scan all the
channels for existing channels.

We recommend you record your transceiver’s serial number here. This number is on the
transceiver’s back panel.

Serial Number_______________________

SAFETY INFORMATION

Your hand-held marine VHF radio contains a low power transmitter. When the Push-To-Talk
(PTT) button is pushed it sends out radio frequency (RF) signals.

USING THE RADIO

A. DISPLAY

Your radio comes with a multifunctional backlight display. By pressing LOCK/LIGHT key, it will
illuminate the backlight for 5 seconds; once more press will turn off the light.

A. Function is activated.
B. “TRI”: appears when the radio is in Triple Watch mode.
C. “SCAN”: appears when the radio is in Scan mode.
D. “WX” indicates that your radio is receiving weather alert signal.
E. “L” which means lockout appears to indicate the current channel you select is

overridden from scan.

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F. “WA” shows on LCD that there is Weather Alert signal received.
G. “MEMO” shows your radio being in memory function mode.
H. Small 2-bit digits show the memory channel location number or “SL” for squelch.
I. Battery icon: shows the battery is low.
J. Key lock icon: appears when key lock function is enabled.
K. “INT” shows the current channel is International channel.
L. The current selected channel number or squelch level.
M. “USA” shows the current channel is US channel.
N. “LO” shows the radio in low power mode.
O. “TX” appears if your radio is transmitting.
P. “CALL” shows that you are using CALL channel.
Q. When a signal is being received, your radio will have a “BUSY” appear on LCD.
R. “DUAL” indicates your radio is in Dual Watch mode.

B. FUNCTION AND LOCATION OF THE CONTROLS

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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.

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