Cobra Electronics LI 3900DXC Auto Squelch/Maximum Range, To turn maximum range extender on

Speaker/Microphone/Charge Jack

Using Your Radio

Operation

Auto Squelch/Maximum Range

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Your microTALK® radio is equipped with Auto Squelch, which automatically shuts off weak transmissions and unwanted noise due to terrain and conditions. This slightly reduces the Maximum

Introduction Operation Customer Assistance Warranty

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Your microTALK® radio can be fitted with an external Speaker/Microphone, freeing your hands for other tasks. This same jack also serves as the connecting point for an optional wall charger/adapter.

Range at which signals can be heard.

You can turn off auto squelch to allow all signals to be received and extend the maximum range of your radio.

Light/Max Range To briefly turn off auto squelch:

–Press the Light/Max Range button for less than five seconds.

If you hear two beeps, you have turned

the maximum range extender on (see below).

To turn maximum range extender on:

Speaker/Microphone/ Charge Jack

To attach a speaker/microphone:

1.Open the speaker/microphone/charge tab on top of your microTALK® radio.

2.Insert the plug into the speaker/ microphone/charge jack.

To connect a wall charger/adapter:

1.Open the speaker/microphone/charge tab on top of your microTALK® radio.

2.Insert the wall charger/adapter plug

into the speaker/microphone/charge jack.

– Press and hold the Light/Max Range button

for at least five seconds until you hear

Signal Strength Signal Strength Meter

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two beeps which indicates the maximum range

extender is on.

To turn maximum range extender off:

–Press and release the Light/Max Range button or change channels.

Lock Feature

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The Lock feature locks the Channel, Mode, Hi•Low and Power buttons to prevent accidental operation.

Your microTALK® radio has a Signal Strength Meter that shows the strength of your incoming and outgoing transmissions. The ascending bars next to the signal strength indicate the strength of the signal. The greater the number of bars visible, the stronger the signal. The fewer number of bars visible, the weaker the signal.

microTALK® Range

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Your range will vary depending on terrain and conditions.

Lock/Enter Button

Lock Mode

To turn the lock feature on or off:

–Press and hold the Lock/Enter button for two seconds.

A double beep sound is used to confirm your lock on or off request. When in Lock mode, the Lock icon will be displayed.

Maximum Range

Reduced Range

Reduced Range

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

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

Dense foliage and hilly terrain will further reduce the range of the radio.

On FRS channels 8 through 14, your radio automatically switches to low power, which will limit the range the radio can communicate.

Remember, you can achieve maximum range by using maximum range extender. See page 6 for details.

6 English

Nothing Comes Close to a Cobra® 7