Question about Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A, 9.6v 1000mAh NiMh Pk 2-Way Radio

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Th 79a the lock icon is on and the switch is turned off. the display shows the lock icon and ch 0 on top and ch0 on the bottom. can you please help me.

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  • Anonymous Dec 31, 2008

    I have the same problem

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TRY TO RESET THE CPU.

Posted on Jun 11, 2008

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1 Answer

Scan says all channels locked out


Please try this,

If the scanner's display locks up or does not work properly after you connect a power source, you might need to reset or initialize it. If you have problems with the scanner, first try to reset it to retain the memory. Warning: Initializing the scanner will clear all channel memories and reverts it the state it was in right out of the box.To Initialize the scanner, turn off the scanner then turn it back on. Press 0 when the welcome screen appears. 'Please select factory tests. Exit if no key is pressed' will briefly appear. Then quickly press 1. 'Initialization clear all memory Enter to confirm Clear to exit' will briefly appear. Quickly press ENT to initialize. 'Initializing, Please stand by' then appears. Do not turn off the scanner while it is initializing. The display should then show M000 on the top line and Bank 0 CH 00 when finished.

Hope that helps!!
Happy Scanning

Nov 22, 2012 | Radio Shack Pro-97 Handheld Scanner

1 Answer

Reset scanner


Please try this:
If the scanner's display locks up or does not work properly after you connect a power source, you might need to reset or initialize it. If you have problems with the scanner, first try to reset it to retain the memory. Warning: Initializing the scanner will clear all channel memories and reverts it the state it was in right out of the box.To Initialize the scanner, turn off the scanner then turn it back on. Press 0 when the welcome screen appears. 'Please select factory tests. Exit if no key is pressed' will briefly appear. Then quickly press 1. 'Initialization clear all memory Enter to confirm Clear to exit' will briefly appear. Quickly press ENT to initialize. 'Initializing, Please stand by' then appears. Do not turn off the scanner while it is initializing. The display should then show M000 on the top line and Bank 0 CH 00 when finished.

Hope that helps.
Happy Scanning!!

Oct 24, 2012 | Radio Shack Pro-97 Handheld Scanner

3 Answers

My Zanussi Induction cooker model ZKT 621LX is not working? When I try to switch it on, the display for all 4 cooking zones shows L and after a few seconds, it just shuts off? What could be the problem?


Hello Horus,

The child-lock has been activated - probably accidentally, but someone may think you're not safe to use it. The de-activate the child lock . . .

1. Switch the cooktop on so all zone show "L"
2. Press both the + sign for the right-front zone and the - sign simultaneously. All four zones will show "0" with flashing decimal points.
3. Press the - sign again. The cooktop will switch off.

You can now switch the cooktop on and use it normally again.

Hope this helps. If you have any difficulty de-activating the child-lock or need further assistance, please let me know.

Regards,
BElectric.

Apr 19, 2011 | Zanussi 23 in. ZKT641H Electric Cooktop

1 Answer

My TH79 only shows channel numbers, what is the fault???


You should be able to enter the menus and change the freq display mode away from "alpha".

Jun 19, 2010 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

1 Answer

LOCK ALL CHANNEL


If all channels are showing the lockout icon, and all are displaying the frequency 000.0000, you just need to program the scanner. Entering a frequency will remove the lockout.

If all are showing lockout and programmed frequencies, and the scanner will not function, you need to initialize it. This procedure will erase all data that you have programmed into the scanner and restore it to original factory settings.

- Turn the scanner OFF, then power it ON again. "Multi-system Trunking Scanner" shows on the display.
- Press 0
- Press 1
- Press ENT
"Initializing please stand by" shows on the display for about 5 seconds.

Do not turn the scanner OFF until initializing is complete and the display shows "M000" on the top line and "Bank 0 Ch 0" on the third line.

Need more information on your scanner? You can download/print the operating manual here:

http://scancat.com/OnLineHelp/OEM_Radio_Owners_Manuals/PRO-97_OwnersManual_ome20-527.pdf

For a comprehensive database of active frequencies and systems in your area, visit:

www.RadioReference.com

Bill B

Apr 21, 2010 | Radio Shack Pro-97 Handheld Scanner

1 Answer

TH-79A Blank screen. It works with "F-switch on" but then goes blank.


Happened to me too. It takes some disassembling!!!! Between the screen and the underlying circuit board is a rubber strip with conductive material throughout which provides ''ground' for the display. This rubber wears out over time, but the quick fix is to turn it a quarter after cleaning and treating the contact surface with 'contact spray'( sparsely!!).

Job requires steady hand and pincers.

May 28, 2009 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

1 Answer

I don't have a screen display on my TH-79A. The radio is usless in this condition. Has anyone else had this problem and what was your fix?


You could have a defective screen or a defective LCD driver, either way you have to replace it.
I 've replaced LCD screens before they typically are the entire front half of the radio inside wise. Probably going to cost a few to do it.

Mar 12, 2009 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

1 Answer

My th-79a shows channel numbers only


RTFM Page 29

Press [BAND] + POWER ON to toggle Channel Display

Gerard - PE1OUD

Mar 04, 2009 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

1 Answer

TH-79A amateur radio


TH-79A Kenwood HT and with the power off, hold down the MR button and the PTT switch, and while holding both of these turn on the power. The HT will come up in the remote control mode with the display indication "RC" on one band and the normal display on the other band.
.
To get the HT out of the "RC" mode just repeat the MR+PTT+Poweron sequence

Oct 30, 2008 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

2 Answers

Kenwood 79a dual band transiever


There are several reasons for this, but one can be the flex that joins the display with the circuitry, carefully check if this is not broken or in this process or dirt.

Jul 02, 2007 | Kenwood PB-34M, ,TH-22AT,TH-42AT,TH-79A,...

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