Uniden UBC-3500XLT Handheld Scanner 25MHz-1.3GHz* Logo

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David Cullen Posted on Mar 22, 2014

Uniden 3500xlt battery error on screen or no battery

Runs ok with mains

1 Answer

Stephen J Ward

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An expert who has achieved level 1.

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  • Posted on Nov 22, 2019
Stephen J Ward
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Joined: Nov 22, 2019
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Have you got the switch in correct position beneath the batteries ?

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0helpful
1answer

Reset my uniden ubc3500xlt

Scanner Reset: To initialize the scanner's memory, turn off the scanner. Then press 2, 9, and Hold while turning it on. Important! This deletes all preprogrammed data. You cannot restore preprogrammed data that has been deleted.
1helpful
1answer

Battery error on screen

you need to replace the battery. they don't last forever. do a search an you can purchase an new battery without having to solder them in yourself.
0helpful
1answer

No reception

Sounds like the radio in your base phone has quit working. Yes, you can buy another base but it has to be the same model s your existing one. After you get the new base follow the instruction in your users manual to unregister the old handset and then reregister them to the new base. Link to users manual
http://www.uniden.com/content/ebiz/uniden/resources/ownersmanuals/D1760om.pdf
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1answer

My g60 -235dx laptop on startup error message say communication problem with I/O deveice, HD, flash drave , CD-ROM

G60-235dx. (2011 model, is my guess)
ok tell the full story please.
PC boots sequentially.
progress in that matters. so it seem windows unstated runs?
XP?
so you power on and what happens ?,
errors before windows logs in or after.?

my guess #1 is the main laptop battery is bad, remove it.
this pC runs on AC power pack endlessly, (AC power good)
dim screens. can be bad CCFL lamps or low power in the PC.
so again take out the battery
what flash drive, remove that, test the pC with no usb devices at all plugged in.

just an A.C power pack and no main big battery.
this PC has old CCFL lamp tubes that all go dim, fast.
turn yellow then dim the flicker and then DIE for ever.
all do. some in 2 years time never turned off. they do.

it the screen goes black use a flashlight if data is good on the screen the back lamp is croaking. (***** of CCFL tubes)
there are many cause of black screens, I can list 30. (will not)
but dim screens are only
1; main battery bad and shorted.
2: AC power pack near dead. (weak happens)
3: shorts in the main board, modules.overloading power buses.
4: CCFL dim as every one this old does, all do.
see flash light test.

http://www.pcdied.com/monitors.html#flashlighttest
1helpful
2answers

Regarding connecting old and new phone of same brand

1. Remove battery
2. Hold down the * and # buttons and reinsert battery. You should hear a long beep. If not retry. (This is a bit awkward but hold the handset upside down and it's workable)
3. Screen will be blank. Immediately press the right soft menu button.
4. Screen will report that EEPROM is clearing and then state EEPROM Clear Ok
5. Remove battery (yes again)
6. Reinsert battery (this time there's no need to hold down any buttons)
7. Handset will reboot with Welcome screen and then state that phone must be registered (this is the status a handset should be in from the factory)
8. Place handset on base and it will register as normal
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2answers
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