Question about Midland Radio Communications

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When I key up my Midland GXT797 radios all elements on LCD screens light up and flash. Radios receive but won't transmit. Batteries are fully charged and it does this on all channels. Suggestions?

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  • Contributor
  • 21 Answers

I would take a cloth and give battery contacts and contacts on the radio a good rub, sounds like a dirty contact.

Posted on May 10, 2015

6 Suggested Answers

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Posted on Jan 02, 2017

Benimur
  • 6966 Answers

SOURCE: Midland gxt-850 gets HOT!

Hi,

It is very possible that the terminal of the positive end of the bottom battery is shorting to the battery's body hence the heating up. If this is the case, then when you charge the radio, excessive current is flowing since the battery set has one shorted. Again this would cause heat buildup specially on the bottom battery and the charging terminals.

A possible solution is to check the bottom battery's positive terminal and ensure that it only contacts with the positive terminal of the battery and does not touch the battery body (which is negative).

Alternately (and perhaps more to your advantage), seek replacement of the defective unit considering it is new and therefore should be under warranty.

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

Good luck and kind regards.

Posted on Dec 06, 2007

eradiostore
  • 1646 Answers

SOURCE: won't receive or transmit

Here is a link to the user manual: http://www.motorola.com/mdirect/manuals/T56XX_57XX_User%20_Manual_E.pdf

Posted on Aug 21, 2008

  • 157 Answers

SOURCE: Midland rechargeable battery packs won't recharge and vibrate

Hello batterbum, from the info you listed you have the right battiers & charger, with alkaline the radios work leads to wrong or a bad batch of Ni-MH battiers. Vibrations from a battery pack states too much current being drawn for battery capacity. Note: depleting a battery and recharging with a charger will place the battery in a false full charge state. Recharging a depleted battery with a DC power supply with current limit can reboot the battery to a 90% cycle. I suggest returning battiers for correct replacements, if they are correct 'by the book' ask for the highest in mAhr specs. Please inform me of your outcome. Good Luck

Posted on Nov 07, 2008

  • 157 Answers

SOURCE: midland radio battery pack constant vibrate

Hello pjbracht, I just responed to a duplicate of your problem. If they are new, return the battiers and confirm they are "by the book" replacements. If so ask for replacemrnts with a higher mAhr. It is not correct for vibration from a battery pack, lead, NiCad, Ni-MH, period.

Posted on Nov 07, 2008

eradiostore
  • 1646 Answers

SOURCE: Motorola Talkabout FV700 not transmitting nor receiving

To troubleshoot: Unlock your keypad lock, then reprogram your radios to the following settings. (Check function after each change)
1) Shut off the Interference Eliminator (set to zero).
2) Turn off the Qt filter.
3) Vox setting to off.

By shutting off all the "bells and whistles" of the radio, you will take it back to being just simply on a frequency. If your radios do not communicate with one another then, or with your friend's radios, you have radio which is failing to operate.

If the radios do work in this simple mode. One by one add the special features back until you discover the culprit.

Posted on Dec 26, 2008

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If your charger does not light up, it is not working. So your battery may not be getting fully charged. The first sign of a poorly charged, or bad battery is no transmit.

If these do not solve the problem, and your settings are identical, you may have a faulty radio. Double check your settings, and take them back to their simpliest form, shut off any special features and make your PL code be off or zero. Then try the radios, if they still don't work, you have one radio which is bad.

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I am sure the OP isn't likely monitoring this, but just in case anyone else needs it... It's a power problem. Try charging the batteries, even though they look like they're fully charged -- or replace with 4@AA batteries.

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