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I think that google could have video's about what to do and how to fix your pro 508 squelch from Radio Shack.

Radio Shack... | Answered on Aug 06, 2020

I don't know, maybe it is faulty or maybe it is telling you what you are trying to measure can't be measured on that range. I suggest you learn more by measuring a few known values to see what happens...

I have a Radio Shack multimeter and it was a complete waste of space from day 1 and no better after it had been "repaired" by the Tandy boffins. The readings vary wildly between summer and winter, often only half the display works and sometimes it doesn't work at all until it has been switched on for a while.

Radio Shack... | Answered on Jul 09, 2020

That radio is the same as a whisler WS1080. The good news is that whisler still makes it and you can contact them for the SD card:

Radio Shack... | Answered on Apr 23, 2020

As the squelch control is rotary it could be an ordinary potentiometer or it could have a mechanical linkage repeatedly pressing buttons as it is rotated - the latter type tends to feel as though there are "bumps" as it is turned.
The latter type does tend to wear. The former type suffers from wear or a dirty track but does tend to work sometimes with persistence.

Whether the problem is mechanical or an electronic fault, your need to ask the question indicates it is a problem best sorted by the repair shop...

Radio Shack... | Answered on Apr 13, 2020

Google will find retailers near you

Or RS Components

RS Components ' Electronic, Electrical & Mechanical ...
RS Components Ltd. RS Americas, RS Components Ltd., 7151 Jack Newell Blvd S, Fort Worth, TX 76118, United States. Website Terms · Conditions of Sale ...

RS Components International
Jump to North America - Welcome to RS. We are the world's largest distributor of electronics and maintenance products. ‎RS Components · ‎RS Singapore · ‎RS Malaysia · ‎RS Home

Radio Shack... | Answered on Mar 09, 2020

I think your unit is more commonly referred to as an MD-1210
Try googling for "radio shack md 1210 manual"

Radio Shack... | Answered on Oct 22, 2019

The scanner has a squelch knob, so it sounds like the squelch switch is broken or full of dirt. To do anything, you must the scanner apart. Put a box out for the parts and you should have a rag to catch the nasty cleaner. One apart, check the easy things, are the wires (two) attached to the squelch switch? Then take the switch out of the housing. There should be a retainer under the knob, unscrew and remove from housing. You will use contact cleaner (BEST!) The contact cleaner is under pressure. Squirt the cleaner in, let it drip out, repeat 3-7x. Wait a couple of minutes or until you know the switch to be dry and plug it all in and test. Still not working? Unplug and repeat. Still not working? I doubt you can buy the part, but try anyway. They are easy to replace and you have it all apart, right?

Radio Shack... | Answered on Oct 04, 2019

you press the on/off button. Also the batteries maybe dead I think they use a few CR2016 Li-Ion button batteries?

Radio Shack... | Answered on Oct 03, 2019

Sensor has gone bad if new batteries, taking it inside (if freezing cold out) and a reset didn't fix it.
LL.L means temperature is below range, i.e. no signal from sensor.

Radio Shack... | Answered on Sep 16, 2019

Goggle (radioshack)(21-1914)(manual) without parens.

Radio Shack... | Answered on Jun 30, 2019

no you can't. The storage is electronic, like a hard drive, but whereas with a computer, you can use undelete software, you can't access the memory of the phone.

Radio Shack... | Answered on May 20, 2019

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