Question about Uniden GMR638-2CK (22 Channels) 2-Way Radio

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My radio turns off automatically as soon as I hit the talk button.

It still receives, scans, changes volumes and even enters the menu. As soon as I hit Call or Talk, it shuts off. If I hold the power button then hit either of the two, it works, but then it shuts off because I'm holding the power button.

I know it can still send because I found a trick, if I shut it off then turn it back on and still hold the power button, I'm able to talk and call, it's just a nuisance to have to do so.

Please help, is there anyway to reset the device?

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I hope it has only the offer to talk or radio on.
even my mobile ve same thing.it ll either in radio mode or in talk mode.
both never be activated together

Posted on Aug 26, 2008

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1 Answer

Volume on G E model 21028GE3-4


To adjust the speaker volume, press up/down on the base unit.

To change the ringer volume:
Make sure your phone is OFF (not in talk mode).
Press the MUTE/PROG button to go to the main menu.
Press CID/VOL (up or down) button to scroll to "HANDSET SETUP".
Press MUTE/PROG button to confirm.
Press CID/VOL (up or down) button to scroll to "RINGER VOLUME".
Press MUTE/PROG button to enter the menu. "SET RINGER 1HI 2LOW 3OFF" shows in the display.
Use the touch tone pad on the handset to select 1, 2 or 3, or use the CID/VOL (up or down) button to scroll to your selection. HI is the default setting.
Press the MUTE/PROG button to save your selection. You will hear a confirmation tone and the new volume setting shows in the display.

To change the receiver volume: When the handset is ON (in talk mode) you may adjust the receiver volume by pressing the CID/VOL (up or down) button.

If you need a manual, you can download one here.

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1 Answer

Walkie talkies model gmr325-2 ic;513C-UT914 HOW DO I GET THESE TO TRANSMIT, MY HUSBAND HAS CANCER AND WE NEED THEM IN OUR BEDROOMS AND WHEN I AM OUTSIDE, TK U, TK U


In order to get the most out of your new radio, read this reference guide completely before attempting to operate the radio.

Turning the Radio On and Adjusting the Volume

1) Press and hold the key to turn the radio ON.

2) To change the volume level press the volume/monitor up or down key to increase or decrease the volume level.

3) Press and hold the key to turn the radio OFF.

Adjusting the Sound (Key Beeps)

Your radio emits a beep each time one of the keys (except for the PTT button and call key) is pressed.
The sound of the Key Beep will increase or decrease depending on the volume level setting.

To turn OFF this beep:

Press and hold the call key while turning ON the radio.

To turn ON this beep:

Turn the radio OFF and ON again.

Choosing a Channel

Your GMR325-2 radio has 22 channels you can use to talk to others. In order to speak to someone,
each of you must be set to the same channel.

To choose a channel:

Press the channel/scan up or down key to increase or decrease the channel number displayed.

Channel Scan Feature

Your GMR325-2 radio has a channel Scan feature that allows you to easily Scan all 22 channels. When an active channel is detected, the unit will pause on that channel until the channel is clear. Then after a 2 second delay, the unit will continue scanning.

Pressing PTT button while the Scan is paused on a channel will allow you to transmit on that channel.

To turn ON channel scanning:

Press and hold either the channel/scan up or down key. The channel number on the display
will rapidly cycle through the channels.

To turn OFF channel scanning:

Press either the channel/scan up or down key.

Talking on Your Radio

To talk to others using the radio:
1) Press and hold the PTT button and speak in a clear, normal voice about 2-3 inches away from the microphone.

While you are transmitting the tx icon is displayed. To avoid cutting off the first part of your transmission, pause slightly after pressing the PTT button before you start talking.

2) When you are finished speaking, release the PTT button.You can now receive incoming calls. While receiving, the rx icon is displayed.

Transmitting a Call Alert Tone

Your GMR325-2 radio is equipped with a call tone that will be transmitted when the call key is pressed.

To transmit the call alert tone, press the call key.

The tone will automatically be transmitted for a fixed length of time.

Auto Squelch Feature

The GMR325-2 is equipped with an automatic squelch system which shuts off weak transmissions
and unwanted noise due to terrain conditions or if you have reached your range limit.

Monitor Mode Feature

Your GMR325-2 radio allows you to listen for weak signals on the current channel at the press of a key.

To turn ON monitor mode:

Press and hold the volume/monitor up or down key. The rx icon will blink.

To turn OFF monitor mode:

Press the volume/monitor up or down key. The rx icon will stop blinking.

Automatic Power Save Feature

Your GMR325-2 has a unique circuit designed to dramatically extend the life of the batteries. If there is neither transmission nor an incoming call within 2 seconds, your radio switches to the Power Save mode. The radio is still able to receive transmissions in this mode.

KEYLOCK ON/OFF

Press and hold the call key until the "L" appears. After 1 second, the LCD will return to the channel display.
To exit Keylock on mode, press and hold call again.

Note: While in keylock on mode, it will still receive transmissions.

ROGER BEEP

Roger Beep is a BEEP that is sent to notify the end of transmission.
Roger Beep can be heard through the speaker when Key Beep is on.
Roger Beep is transmitted even if key beep is turned off. However Roger Beep will not be heard from the speaker.

To turn OFF Roger Beep: Press and hold the channel/scan up Key while turning on the radio.

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1 Answer

How do I get it out of demo mode? How do I reset the clock? How do I scan through channels? Jvc kd-r210


Hello... sorry to hear you are having problems! With the radio powered up, if you will hold down the "sel" button for about 2-3 seconds, it will enter into the menu mode. From there you will see "demo". Turn the volume knob counter clockwise to turn it off. Then press advance track button ">>>" til it says "clock h" and then rotate the volume knob to adjust the hour. Press the ">>>" button once more to the "clock m". Rotate the volume knob to set the minutes. After that you can press the "sel" button again to exit the menu mode. Hope this helped!! Good luck with your venture!

20 year car audio/video installer
Bay manager

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1 Answer

HLT71 When autoscan is complete, I receive numerous RH channels, but only 4-5 viewable stations. I live outside CHI and can't receive channels 2, 7 or 9. How do I obtain the latter channels?


Press the menu button.Go to the scan button.Manually enter in the channel you wish to add.Press the volume or channel button to 'add'it and if you press it again it will show delete(probably volume,many different brands have different ways to do it yet still basically the same).Do the same for all the channels you want.I use delete for channels such as C-span and a couple of other nonsense channels I do not really care to watch.Even if a channel is deleted,you can still watch it by manually entering the channel number on the remote.After you finish,hit menu to exit the setup.
Good luck!

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1 Answer

How to set the time for the jvc kd-pd30 car radio


Press and hold SEL to enter the menu
Using the scan buttons (FWD/REV), select Clock H
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Using the scan buttons (FWD/REV), select Clock M
Using the volume knob, set the value
Press SEL to finish

Nov 14, 2009 | JVC AM FM CD DET FACE CAR STEREO

1 Answer

I CAN NOT CHANGE THE TIME ON MY JVC KD-R200 CAR STERIO


Press and hold the SEL button to enter the menu
Using the scan buttons (FWD/REV), select Clock H
Using the volume knob, set the value
Using the scan buttons (FWD/REV), select Clock M
Using the volume knob, set the value
Press SEL to finish

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1 Answer

I can't set the clock on my jvc rm-rk50 radio in my car any suggetions thanks


The model number is incorrect.
Try this
Press and hold the SEL button to enter the menu
Using the scan buttons (FWD/REV), select Clock H
Using the volume knob, set the value
Using the scan buttons (FWD/REV), select Clock M
Using the volume knob, set the value
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1 Answer

My radio turns off automatically as soon as I hit the talk button.


Hi,

Appreciate the direct "Ask Me".

Initially, I would assume that you have a pair and that the problem is with just one.

Based on this, I would suggest switching the NimH batteries. This is to eliminate the possibility that is is a battery/charging issue. Additionally, pls try to verify that the battery contacts both on the radio and the batteries themselves are clean. You may need to scrape them off to assure positive contact. Further on the radio's battery terminals, you may need to slightly bend them (or stretch if spring type) to provide more pressure in the contacts.

Incidentally, removing the battery for an extended period of time is enough to perform a reset.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 26, 2008 | Uniden GMR638-2CK (22 Channels) 2-Way...

1 Answer

Question about setting up a scan


When you get to CB or whatever bank you want to search you must press the E/YES and then it should search. Also check your squelch. Hope this helps you out.

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hi this meens the wohle panel is squashed on its buttons the seek button is main 1 and wont let anything work besides it take out the button release the screws all the way jiggle it a little bit, or even take a look inside that nothing is broke or loose tightened the screws but not hard(soo it wont happen again) good luck

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