Question about Cobra 8 MILE 2-WAY RADIO

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Cobra HL-300P won't turn on but vibrates

I have a Cobra HL-300P. When I turn on the radio, nothing shows on the display but radio vibrates.

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  • 91 Answers

Dear sir, It seems ur radio's LCD screen has some loose connection open it carefully by unscrewing & then switch it on ( remeber do not switch on radios without antennae , it may burn transmission circuit ,) u cad locate the fault & fix it
regards
raj

Posted on Apr 12, 2009

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Posted on Jan 02, 2017

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1 Answer

Cobra manuals


Try this site, http://www.manualsonline.com

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gee did you check the reverse polarity diode

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sounds to me you have to low voltage/ amps...try testing your power source with a meter the ultra is ideal @ 13.8 VOLTS

Jan 01, 2012 | Cobra 19 Ultra II CB Radio

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Attempted to adjust the color display on my brand new Cobra 29 LX and now the display shows only the number 88 and some rows of digital blocks-the CB display is completely locked up and nothing i've...


The display on this radio uses firmware. I fear there may be a glitch in it. Maybe it was flashed wrong. If you hit the dim button, and it doesn't go back to normal, something is not write with the firmware.

There is not much out there yet about tweaking this. You will probably have to send it to cobra. It should still be under warranty.

Jun 18, 2011 | Cobra Radio Communications

1 Answer

How to get it off vibrate, i lost manual


Press the Mode button until the Call Setting icon flashes on the screen. The current setting ("01"
vibrate + ring, "02" vibrate only or "03" ring only) will be displayed. Press the Channel Up or
Channel Down button to change the call setting.

More programming details (with pics) are available in the user's manual which can be downloaded HERE

user666.jpg

Nov 20, 2010 | Cobra microTALK LI6000-2 (14 Channels)...

1 Answer

Everthing on the radios work but there is no sound from the speaker.The RX shows on the display and the the vibrate work when called. Whats up?


#1 bad speaker, #2 external speaker jack bad/shorted, #3 volume control bad/open, #4 squelch control bad, & #5 is it both radios no audio?

May 13, 2010 | Cobra microTALK LI 7200-2 WX VP Two Way...

1 Answer

Stucxk on vibrate


Hi,

As per instructions of the manual:
"...Your microTALK® radio can alert you to incoming signals by
sounding an audible call tone, by vibrating silently or both. To change call settings:
1. Press the Lock/Mode button until the Call Setting icon flashes on the display. The current setting (“01” vibrate + ring, “02” vibrate only or “03” ring only) is displayed.
2. Press the Channel Up or Channel Down button to change the call setting.
3. Choose one of the following:
a. Press the Lock/Mode button to enter the new setting and proceed to other functions.
b. Press the Hi•Low/Enter button to enter the new setting and return to Standby mode
..."

Should you need a copy of the manual, it is available here.

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.

Mar 16, 2008 | Cobra 22 CHANNEL 2-WAY RADIOS

2 Answers

Radio is switched on vibrates and goes directly to a blank screen


The problem that you discribe, sounds weird, check if the radio battery connectors are clean, if the radios are new, I think you must to cliam the warranty.

Feb 19, 2007 | Cobra MicroTalk PR 4200-2 WX (22 Channels)...

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