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TEKCOM Industries Limited 

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Press and release 

the 

DW/TRI

 button to terminate Dual Watch and return to the previous working 

channel. 

Press and hold 

the 

DW/TRI

 button to terminate Dual Watch mode and go into Tri Watch mode. 

Press and release 

the 

16/9 

button to terminate Dual Watch mode and switch to the Priority 

channel. 

 

Note: During Dual Watch mode, the SCAN and Channel 

/

 

(UP/DOWN) button are inactive and sounds an 

error beep if pressed. 

 

Tri Watch 

Press and hold the DW/TRI key for 3 seconds to activate Tri Watch mode. The TRI indicator 
appears on the LCD. Tri Watch monitors in cycle Channel 16, the current working channel and the 
channel you have set as the Favourite (PLUS) Channel. Tri Watch is demonstrated in the figure to 
the left; the sample working channel is CH 72. 
 

Press and release

 the 

DW/TRI

 button to terminate Tri Watch and return to the previous working 

channel. 

Press and release

 the 

16/9

 

button to terminate Tri Watch mode and switch to the Priority Channel. 

 

Note: 

During Tri Watch Mode, the SCAN, and Channel 

/

 

(UP/DOWN) keys are inactive and sounds an 

error beep if pressed.

 

 

Resetting the Radio 

 
You can reset many radio settings back to their factory defaults, this will: 
• Erase any channels stored in memory 
• Return to International channels, if another mode is selected 
• Turn OFF the Weather Alert setting, if active 
• Return power settings to their original state 
To perform the reset: 

1. Turn the radio OFF. 

2. Simultaneously press and hold the

 

SCAN & WX/BAND

 button. 

3. While continuing to hold these keys, power the radio ON. 

The LCD remains blank for 2 seconds, and then the unit switches to channel 16. 
 

Attaching and Charging Your Battery Pack 

 

Before attaching the pack, you should detach the belt clip first, then aligningly place the pack on 
the unit and secure it using the supplied screw. 
 
The design of the battery pack let you can charge it either when it is attached on the radio or being 
detached. You should use the supplied specialized desktop charger to charge it (either 7.2V or 12V 
Ni-MH battery pack) for 14~15hrs. To charge, plug the charger cable into a standard wall socket 
and the other terminal to the charger cradle, place the radio/battery pack mounting on the charger 
pedestal firmly to start the charging, accompanied by lighting of the charging indicator LED.   

Note: The charging can not stop itself without prevention, even when the battery pack has been fully 
charged. Do not forget to take the radio/battery pack out of the charger cradle when it has been fully 
charged. Overcharging batteries may result in damage to both the battery pack and radio. 

 

Using the Belt Clip 

The supplied belt clip lets you easily attach the transceiver to your belt. To attach the 
belt clip, put it onto the back of your transceiver aligning the fitting groove and use a 

Summary of Contents for TM886-USA

Page 1: ...e universal marine frequently used channel PLL Phase Lock Loop Controlled Circuitry Provides accurate and stable channel selection Squelch Adjustment help eliminate noise between transmissions Key Loc...

Page 2: ...Page 2 of 7 A DISPLAY Your radio comes with a multifunctional display B FUNCTION AND LOCATION OF THE CONTROLS C BASIC OPERATION Before operating your transceiver you should make the following prepara...

Page 3: ...L LOCK buttons Selecting a Channel Press the UP DOWN button to scroll through the available channels Note Not all channel numbers are available in INT bands Transmitting and Receiving Press and hold...

Page 4: ...the channels that have been saved in memory are scanned in sequence After the last saved channel number has been scanned the cycle repeats Adding Channels to Memory The TM886 can store any channel inc...

Page 5: ...rn OFF the Weather Alert setting if active Return power settings to their original state To perform the reset 1 Turn the radio OFF 2 Simultaneously press and hold the SCAN WX BAND button 3 While conti...

Page 6: ...screw driver to secure TECHNICAL SPECIFICATIONS Channels All International Channels Frequency Method Phase Lock Loop Frequency Range TX 156 025 157 950 MHz RX 156 300 163 275 MHz Antenna Impedance 50...

Page 7: ...e Attenuation 40dB A u d i o Distortion 5 S p u r i o u s Suppression 70dB RECEIVER S e n s i t i v i t y a t 1 2 d B SINAD 0 5 V S N Ratio 20dB 0 8 V Squelch Sensitivity Threshold 12dB V EMF Adjacent...

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