Question about Sangean DT300VW AM/FM/Weather/TV Radio

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Lost preset memory and time

When changing batteries I waited too long and lost the preset memory and time. When I put in new batteries I get a flashing 2:11 and none of the features work. Help!

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This means that your radios processor is scrambled. All you need to do is reset the processor by removing the batteries again overnight and then reapply.

Posted on Mar 20, 2008


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Reprogram ecm

did you disconnect the battery first? if not pull the negative with the key on.. car will die..then reconnect the negative with the key off.. then turn the key on wait 3-5 seconds for dash indicators to go out..all the factory presets should reset themselves..

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Tomtoms store data in a non volatile format, either to an SD card, Flash memory or to a hard drive, none of the above require a battery backup.
If the battery is removed the only data that should be lost is the time and date

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Ever since I took out my battery and put it back in the radio hasn't work. None of the buttons work except the volume when a cd is in but nothing else works. It's a pioneer radio deh p7500mp.

Looks like it's the same thing that happens when I remove the power cord from my home hi-fi system... when I reconnect it it goes crazy on display mode till I reset the clock. In your case, the obvious difference is that it may have lost the clock time and memory presets.. see if retiming the clock and reprograming the tunner presets does the trick.. also check the memory fuse...usually the one on a pink wire.

Sep 28, 2012 | Cars & Trucks

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Have lost four preset channels on my Technika DAB 109CR digital clock radio and lost manual so have nothing to consult to get back these stations. Everything live but showing only one station constantly

Finally sussed out how to (re)set presets, overall you need a little patience:
Probably best to press Autotune before we set off and let it do its thing.
Press 'presets' and find a free channel or the one you want to change, leave it until you can hear the station its on play.
Now, press 'jog/select' and WAIT until it says <SELECT> (but don't wait too long when it says this or you'll have to start again)
Use dial to find station you want AND LEAVE to tune in.
Press AND hold presets down until number flashes.
Press jog/select once briefly (normally).
Press presets once should now say "Saved"
Leave to save for a few seconds.
You can now change station either by pressing Presets and moving dial...waiting for the station to load OR press jog/select to manually tune to the station of your choice using the dial.

Feb 20, 2011 | Audio Players & Recorders

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I'll push the power button and the little green light flashes it beeps and the lense comes out just a tiny bit but then in stops goes back in and beeps twice and it's still off. Is there and...

First check the battery. Charge the battery to full condition or change with new battery and try to turn on your camera.
Or you can put off all batteries and memory card, wait for a moment, then put in again and turn on your camera.

Hope this help

Feb 09, 2011 | Casio EXILIM 10.1-Megapixel Digital Camera...

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I changed the battery in my Ford Ranger and the security icon keeps flashing and there is no power to turn the truck on

Oops. Sometimes when the battery is changed, the user should put a memory saver inserted into the cigarette lighter to save radio presets and more importantly security information in the computer.

Maybe, have to take to dealer to have key(s) reprogammed to the vehicle.

Also, check that there isn't some other aftermarket fob that needs to be inserted before the truck can be started.

Also, make sure that the battery connections are clean and tight on the new battery.

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The battery went dead and i need to rest the radio

You have probably lost the frequency settings on the memory when the battery was replaced. Please follow carefully the way to set up your memory once again. swittch on the radio, scan for manual/ auto as desired. if the signals are strong you can scan/seek search and memorise. if not scan and select the channel location and press the preset button to store according to your need. Also chose the clock setting and set the time by scrolling, shift to the next digit and set. Hope this advice helps. Good day

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Model rv-b99 loses presets and does not power off

whenever I run into a memory issue with a portible unit that uses a battery backup I have found battery corrotion on the battery cointacts! also remove the main power source the batteries the wall plug and let it set for several minutes and hit the power switch a few times then retry everything again

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You got some short on board, You need techguy. Or possible Bios flash, Remove the Harddisk and press the power button.
If nothing change, Remove power, battery, cd rom, Hdd, memory.

Then put one stick of memory, power up, see anything comes up.If does, power off, put the other memory plug in power, fire up.
If does ok. Then plug off, and put hdd without CD rom. see if it did work.

If none is worked as I say you have short or CPU fan is not functioning.

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2 Answers

Changing batteries

First don't let the batteries go completely dead. Second take out one battery and put in a fresh one then remove the other weak battery and replace it. If you do it this way and work quickly you will be able to retain all of your presets and time function.

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