Radio shack Multivoltmeter 22-820 read out is OF and I do not know how to interpret it.
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.
on Jul 09, 2020
Squelch control will not turn off on radio shack pro 136
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...
on Apr 13, 2020
I have a Radio Shack Pro-2043. The squelch has stopped working. There is no adjustment, it squelches all the time. Is there anything I can do to fix this or is this unit not repairable?
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?
on Oct 04, 2019
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