How to resolve some basic problems for radios?

Analysis and processing of common radio problems

1. can not power on or often power down?
Check whether the battery contacts are deformed or broken.

2. Walkie-talkie LCD display can not display or display incomplete?
Walkie-talkie worn or used improperly, caused by LCD broken or conductive rubber contact bad.

3.Do other group members conversation appear on your channel?
A.All radios in the group change another channel to communicate
B.Please change the CTCSS/DCS on all of the radios in the group, C.apply for a change frequency.

4. Does the radio have no sound at all?
A the volume switch broken, pull out the outshell of volume knob, switch by hand inside
b.speakers bad

5. Frequency interference
In the use of frequent frequency or received other radio noise, there are three ways:
A. Change the main frequency; b, Gaya audio; c, to improve the squelch level (under the same conditions, the emergence of individual machines applicable)

6. communication distance near
A.check if the antenna is in good condition, antenna seat is loose or damaged
B.change a high gain antennaB. whether set to low power, then change to high power
C. squelch level is set too high
D. If battery is low
E. If all above can not improve the communication distace, then apply to repeater to solve it

7. Receiving signal intermittent and accompanied by great noise?
May exceed the limit of communication distance of the walkie-talkie, or have big barriers, like tall buildings blocked in the basement and so on.

8. Can receive other radios speech but can not launch?
Check the PTT button is damaged, please try the headset with PTT key,if earpiece PTT key lauch normal, indicating that the radio PTT key is damaged.

9. Can not talk with other members of the group?
First make sure that the frequency and CTCSS/DCS you use are the same as the other members in the group. If there is no problem, please check if you and other members are within valid communication range

10. the other party receive a small voice?
A, check your radio MIC the hole is blocked
B, if volume of the end radio is rotating to the maximum

11. After programming a regular beep beep on the radio?
Intercom programming error. The frequency programmed is beyond the radio frequency rang, or the selected programming software model does not match the radio.

12. How long does it take for the battery to be used after normal charging?
If after charging, the battery always hold for a shot time.Battery life has come end, please replace the new battery. (Ni/Mh battery discharge durable for 500 times, lithium batteries 1000 times, the current market are generally using lithium batteries)

13. Do not scan the radio?
When the radio is programmed, the channel scan is not included (Professional settings) or the radio scan function is turned off.

14.Big Noise when switch the channels                                                                                                                                                                                                 There’s no frequency in this channel, write the frequency in this channel is ok

15. Whistle
At a distance of only a few meters between two radios, there’ll be whistle. This is a normal phenomenon,increase the communicate distance can resove

16. Can not read / write?
A.USB driver is not compatible with the computer system
B.the programming cable used is not brand correct cable
C.walkie-talkie and cable is not connecting good, pull out the cable and USB part,plug in firmly again
D.check if you are using the correct model programming software

28 thoughts on “How to resolve some basic problems for radios?

  1. My RT84 has a problem where the Volume changes all by itself – without anyone touching the Volume Knob.
    Is there a way to fix this?

  2. I have done everything I can think of to get this radio to accept CSV contacts list and still says FIRMWARE ERROR. I have downgraded to 2.02 from 2.03 and even did the factory reset code plug and still no luck. Please advise as I am not enjoying this product in the condition it is in.

  3. Hi there
    I have 2 x RT87s.
    The problem is when transmitting between them they do not correctly identify on which channel the transmission should be received. (A or B)
    90% of the time the wrong channel receive the incoming transmission and nothing can be heard because the channels use different frequencies and different tones.
    I have double checked the channel settings and everything is identical on both RT87s.
    How can i fix this problem because it makes the RT87s unusable.
    I have done vfo and full reset already.
    Thank you in advance.

  4. I have a RETCVIS RT3 and let the battery run completely down. When I charged the unit and powered it on all that I had was a White screen. What can I do to get the display back.

  5. I have the retevis rt-90. It worked well and made a contact 1300 miles away. That was good audio, but I added more station (eg WWENGLISH and etc) now I am not hearing any one talking. Yes the speaker sounds off at start up. If some one comes on line I see the call sign on the screen. squelch is set at 3. I do believe it is somewhere in the code plug (audio)[ audio setup.]

  6. I just got my nRT3S programmed and it has no receive volume and sticks on transmit if I press the PTT.

    Literally out of the box an hour…

    Anyone any ideas? is there a specific order to inoputting the info in the software for programming the radio?

    Scratching my head….a lot.

  7. Hi James,
    I managed to get the codeplug sorted. The radio seems to have programmed fine ( Yay ! ) but is randomly transmitting for no apparent reason?!!

  8. James,
    thankfully I realised what was going on. The VOX sensitivity was set at 3 and the beeps from the button presses were setting the transmit into action!
    It took me a little while to work this out….

    All good now and radio is performing well. DMR programming sure is fun.

    many thanks for the support.

  9. i recently purchased an rt-95
    Im not getting any sound through internal speaker just through mic when i select from options menu.. i bought it second hand but was told it was brand new and unused

  10. Hello there,
    My retevis rt5r has a super low volume. I use the control volume to turn it up all the way and it’s still super low. Any way I can adjust this?

  11. I have a retevis rt3s radio with the problem of transmitting that says that it is 5 watts and transmits in high power with 3 watts of output and with the problem of receiving that it does not receive well, I think the radio is badly calibrated, how can you repair these problems

  12. Hi, I have a RT1 radio. when I press the Ptt button, there are 4 quick beeps that can be heard on the unit and also on the receiving units. How can I eliminate this. It only happens on one of my 6 radios. That Radio was a new addition to my other 5.

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