Cobra Electronics MT 550 manual Display Illumination, Auto Squelch/Maximum Range Extender

OPERATION English

Display Illumination

To Illuminate Your Display:

–Press and release the LIGHT/MAX RANGE button to illuminate the display for ten (10) seconds.

Auto Squelch/Maximum Range Extender

Your microTALK® radio is equipped with Auto Squelch, which automatically shuts off weak transmissions and unwanted noise resulting from terrain, conditions, or from reaching your maximum range limit.

You can temporarily turn Off Auto Squelch or turn On Maximum Range Extender, allowing all signals to be received and extending the maximum range of your radio.

Light/Max Range Button

Light/Max Range Button

To Temporarily Turn Off Auto Squelch:

– Press the LIGHT/MAX RANGE button for less than five (5) seconds.

If you hear two (2) beeps, you have turned the Maximum Range Extender On (see below).

To Turn Maximum Range Extender On:

–Press and hold the LIGHT/MAX RANGE button for at least five (5) seconds until you hear two (2) beeps, indicating that the Maximum Range Extender is On.

To Turn Maximum Range Extender Off:

– Press and release the LIGHT/MAX RANGE button or change channels.

microTALK® Range Maximum Range Reduced Range Reduced Range

Your microTALK® radio has a range of up to five (5) kilometres (3 miles).

Your range will vary depending on terrain and conditions.

In flat, open country your radio will operate at maximum range.

Buildings and foliage in the path of the signal can reduce the range.

Dense foliage and hilly terrain will further reduce the signal.

Remember, you can achieve maximum range by using Maximum Range Extender.

See above for details.

External Speaker/ Microphone

External Speaker/Microphone Jack

Your microTALK® radio can be fitted with an optional external speaker/microphone (not included), freeing your hands for other tasks.

To Attach the External Speaker/Microphone:

1.Open the tab on top of the radio.

2.Insert the plug into the jack.