Question about Motorola MU24CVS UHF (4 Channels) 2-Way Radio

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When I turn on the radio the indicator light on the top of the unit just flashes. I cannot set the frequency or code. When I push the monitor button I hear static but otherwise the radio is dead.

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The flashing light can be an indication there is activity on the frequency the radio is set to. Pressing the monitor button should give you the white noise (static) sound, so this function is working correctly. This also tells us your speaker is working fine, as well as your volume. The typical reason you cannot go into programming mode (when you hold the PTT in while turning on the radio and hear the female voice announce your frequency) is a bad or moved internal PTT switch. This typically happens over time as a user presses ever harder on the PTT to communicate. However, this does not explain why you are not receiving. This could simply be a result of an incorrect PL code in conjunction with the bad PTT. If you have a frame removal tool, you can extract the component board and physically look at the internal PTT. You can then hold in the very small button and program the radio to the frequency/PL you desire. If you are needing the radio repaired, you can get this style unit repaired for around $69 flat rate

Posted on Jul 16, 2009

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I have a motorola mv11c and it works fine and I just purchased a pair of motorola mv21cv. They must be on a different frequency my question is how do I change the frequence on my mv21cv radios to be...


Hold in the PTT button while you turn on the radio. It will announce the frequency number. You can use the PTT button to change the number. Then press the Monitor (small possibly red) button to lock in your setting. The next number your radio announces will be the Code. Use the same method to change the code if needed. Then press the Monitor button to lock in your setting. Once you have set both your freq and code you can turn the radio off, then turn back on normally and use the radios.

Best regards.

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I recently bought a new icom ic-41s from my paragliding instructor. When I bought it, he set it up for tone squelch as that was what we were using. Now I want to turn it off however no matter how many...


  1. Select the channel you want to adjust the CTCSS/DTCS squelch on.
  2. Press and hold the "Set Mode" button on the top of the radio for 2 seconds to enter set mode.
  3. Push the top button again several times until "C" appears.
  4. Push "Scan/Tag" to toggle the CTCSS tone frequency/DTCS code setting modes.
  5. Push "CH Up" or "CH Down" to set the desired CTCSS/DTCS code or remove the codes by rotating it to "0" or "OFF."
  6. When the tones are set as you wish press and hold the "set" button at the top of the radio again for 2 seconds to exit.
  7. Done.
Regards, Tony

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SETTING CLOCK ON JENSEN PHASE PCD120U


Display Selector (DSP)
This unit can display either the clock time or
radio frequency/CD player functions. Ordinarily,
the radio frequency or CD player track
indication is displayed, but the unit will display
the time when the DSP button (18) is pressed.
The time will display for approximately 5
seconds then return to the radio or CD player
function display. The correct time-of-day can be
set by pressing and holding the DSP button.
Setting the Clock
To set the clock, perform the following steps:
1. Turn the vehicle ignition and radio on.
2. Press and hold the DSP button (18) until
the time display flashes.
3. Within 5 seconds, turn the MULTI/JOG
control (3) clockwise to adjust the minutes
to the desired setting.
4. Turn the MULTI/JOG control counterclockwise
to adjust the hour and the “AM”/

Jan 28, 2010 | Vehicle Parts & Accessories

1 Answer

Frequency changing


Here is a link to the manual http://www.banoggle.com/Products/Motorola/manuals/CLS-series-manual.pdf

Entering Programming Mode
Press and hold Push to Talk and Monitor for 3 seconds while turning the radio on. The
radio beeps and displays PROG, the channel number flashes, and the frequency
(indicated by FREQ) and code (indicated by CODE) display alternately.
Use the MENU and the + or - keys to change the programming. More detailed instructions are on page 28 of the manual.
Best regards.

Dec 29, 2009 | Motorola CLS 1110 (1 Channel) 2-Way Radio

1 Answer

How to change channel


Spirit GT: Programming a Frequency to a
Selected Channel:
1. Press and hold down the Push-To-Talk
button while turning the radio on, wait for
approximately 5 seconds then release the
Push-To-Talk button.
2. Use Scroll button to select one of the 8
frequencies.
3. On a Spirit GT+, press the Monitor button.
4. The current channel will flash, press scroll
button to change channel.
5. After the second channel is selected, press Monitor button again, current
frequency for second channel will flash. Figure 16.
6. Use Scroll button to select new frequency.
Exit Programming Mode - 3 Ways
1. Press Push-To-Talk to exit completely.
2. Allow the Menu time to expire (10 seconds).
3. Press Menu button to go to code programming.

Here is a link to the user manual: http://www.motorola.com/mdirect/manuals/Spirit_GT_User_Manual_E.pdf

Jul 17, 2009 | Motorola Spirit GT Pro (2 Channels) 2-Way...

1 Answer

Radius CP200 is in monitor mode I think and i can't get it out of that mode by pushing the programable buttons


Your programmable buttons can be programmed to a number of options. Typically the first button is programmed to monitor and sticky monitor. If this button has been held in a long press you can clear the setting by holding it in another long press to shut it off, or by simply shutting the radio off and turning it back on.

Your second programmable button could be set for an number of features, but like the above description, simply pressing it again or shutting off the radio will turn the feature off.

When you refer to Monitor Mode, we assume your are indicating the radio is operating open squelch, with no private line code. This is when you can hear ALL transmissions on your frequency. If this does not describe the problem you are having please repost another question.

Jul 16, 2009 | Motorola Radio Communications

1 Answer

How do i change the channel?


Programming a Frequency to a
Selected Channel:
1. Press and hold down the Push-To-Talk
button while turning the radio on, wait for
approximately 5 seconds then release the
Push-To-Talk button.
2. Use Scroll button to select one of the 8
frequencies. Figure 16.
3. On a Spirit GT+, press the Monitor button.
4. The current channel will flash, press scroll
button to change channel.
5. After the second channel is selected, press Monitor button again, current
frequency for second channel will flash. Figure 16.
6. Use Scroll button to select new frequency.
Exit Programming Mode - 3 Ways
1. Press Push-To-Talk to exit completely.
2. Allow the Menu time to expire (10 seconds).
3. Press Menu button to go to code programming.

Here is a link to the user manual: http://www.motorola.com/mdirect/manuals/Spirit_GT_User_Manual_E.pdf

Jun 25, 2009 | Motorola Spirit GT Pro (2 Channels) 2-Way...

1 Answer

It appears that my mike on one unit does not work.


Check your programming by holding in the PTT button while turning on the radio. The first announced number is your frequency. Press the MONITOR button, and then it will announce your code. Press the MONITOR button again finish. Then shut the radio off and back on for normal operations.

If the numbers on your radios do not match, you can use your PTT button to change the number it has announced. Press the MONITOR button to lock in your new setting after setting the frequency and/or code.

Final thought, check your mic hole on the face of the radio to be certain is does not have debris or tape over it.

Mar 02, 2009 | Motorola MU21CV (1 Channel) 2-Way Radio

2 Answers

Talk about frequency change


To change channel & code press talk and monitor while turning radio on. Radio will speak current channel. Release both talk and monitor. Press talk to change to next channel or press monitor to keep current channel. Press monitor when desired channel is selected, radio will speak current code. Press talk to change to next code or press monitor to keep current code. Press talk to change code as desired then press monitor when done. Will speak channel and code selected. Set all units in same manner to communicate.

Oct 15, 2008 | Motorola Talkabout T5800 (22 Channels)...

1 Answer

They used to talk to one another but now they don't


Here's your help:

Read out one of your radios by holding in the PTT while turning on the radio. It will announce the Frequency. Then press the Monitor Button and it will announce the code. Press the monitor button again, to leave the code set, and then shut off the radio.

On the second radio: Hold in the PTT button while turning on the radio. It will announce the frequency. Use the PTT to get to the number you need to match the first radio. To lock in the setting press the smaller button, known as the Monitor Button.

This will make the radio announce the private line code number. Using the PTT set this to the code number of your first radio, then press the Monitor Button to lock in your code.

Shut the radio off and turn it on again to begin use.

Sep 07, 2008 | Motorola MU21CV (1 Channel) 2-Way Radio

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