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

1 Answer

Not able to communicate

The two handsets were working fine for over a year but for the last 2 days, when i press the buzzer or speak into either set, there is no sound / voice received in the other. this applies to both sets.

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  • 45 Answers

First of all check if the channel on both the radios are the same. If its a year, then also check the batteries on the sets and then the antenneas. If still no result, I suggest you get it done thru a service center.

Posted on Jan 06, 2008

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1 Plug in the ICF-C218 in a well-ventilated area free of moisture.
  • 2 Press "Clock" if you are not in the U.K. and need to set the time manually. Hold it for two seconds.
  • 3 Press the + and - buttons until the year is set correctly.
  • 4 Press "Clock" once you've set the year, and repeat this process for the day, hour and minute.
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  • 6 Slide the "Alarm Time Set" toggle to either the + or - side until you've reached the time you want your alarm to go off at. Hold it down to adjust in 10-minute increments


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    Nov 05, 2013 | Home

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    The Alarm Clock/Radio is equipped with two independent alarm
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    Using Alarm with a Preselected Radio Station:
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    Select alarm system 1 or 2 by pressing the alarm button [14] or [15].
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    Press set button [16] to set minutes using + or - button to
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    Press alarm days selections 1-7 (Sunday-Saturday) to select
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    Display will show the days on which you wish to be awoken by the
    radio alarm.
    Pressing alarm button 1 or 2 will confirm settings and a beep and
    display indicates radio alarm is set.
    Note:
    If alarm days or alarm mode are not selected display will blink
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    If you would like to be awoken to the station you are presently
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    This allows the station you are listening to be stored into
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    Display will blink showing selected alarm hour and alarm mode
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    all the days for a few seconds indicating the alarm is not set
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    Cancelling Alarm Setting:
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    Press alarm set button [16]
    Display will blink showing selected alarm hour and alarm mode
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    Press alarm Mode button [20] one or two times (depending if you
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    You may also select days you wish to be or not to be woken after
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    This is the figure of your device and you can find which button where is:


    gylacz_6.jpg

    Good luck!
    Thanks.
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    If “No link to base. Move closer to base, try again.” is displayed
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    Hi there,

    Please try this..

    1. From main console phone (lowest extension number i.e. x100) pick up handset and dial following codes:
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