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Volume control inoperable

Unit volume knob is at high volume but only low volume is heard

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Spray some tuner cleaner in the volume and rf gain pots and work them back and forth. Have you tried an external speaker to see if stock speaker is blown? Also improperly installed talk back can cause this

Posted on Dec 28, 2008

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1 Answer

Why is SSB reception (volume) extremely low?


If you have AN RF gain knob on this radio then turn it wide open.

Feb 12, 2016 | Radio Communications

1 Answer

How can I set the volume to low when I first turn my radio on it always seems to revert to high volume ?


Could be a bad volume switch . turn the radio on with the volume low and the squelch knob to see if the audio goes away. If not change the on/off switch .

Dec 29, 2015 | Radio Communications

1 Answer

Receiving volume is very low, I have to turn the volume up all the way to hear anything (squelch is very low when I turned knob to readjust settings) when before I didn't even need to turn it up halfway to...


was the radio wired direct or with a cigarette lighter plug? try the RF gain knob and the mic gain knob.If they are wide open does the radio rec.any better? if not you may have a problem with the main IC

Jan 04, 2014 | Cobra 29 LTD CB Radio

1 Answer

Cobra cb radio backlight inoperable


look inside at meter--two wire bulb with rubber boot slides at a angle into the meter and is easy to replace.

Apr 06, 2012 | Cobra 29 WX NW ST 40-Channels Base CB...

1 Answer

I just bought a used cobra 200 gtl dx im totally clueless to cbs could u tell me where all the controls and buttons should be



  • Hi, I can help.

  • I have uploaded a pic of the Cobra 200 and labeled each knob/switch with letters to reference.
  1. A) Noise blanker - When this switch is pushed the high pitched noises are canceled leaving a more natural sounding receive. Some like it some don't.
  2. B) High Power - This button adjusts the power output of your radio. Inside the radio the pots are adjusted for a low power setting and a high power setting.
  3. C) Roger Beep - This is a beep heard by the person you are chatting with at the end of your transmission.
  4. D) The 10+ KHz - This button when pushed jumps the frequency up 10 Kilohertz to help you better navigate frequencies.
  5. E) This is where you adjust how you are going to modulate. CW is for continuous wave or Morse Code. Unless you have a key don't worry about this setting. FM is for Frequency Modulation AKA the HAM bands. AM is for Amplitude Modulation. USB and LSB are for Upper Side Band and Lower Side Band respectively.
  6. F) is the band adjustment - Each band (A, B, C, D is a set of frequencies.
  7. G) is a dimmer and the SWR calibrate. To use the dimmer push the dim button in a rapid motion. To use the SWR calibrate side press and hold the dim/calibrate button and using the SWR knob on the right side of the radio (L).
  8. H) SWR/, S/RF - If this button is in the out position then your meter will swing as usual. Push the button in to measure SWR.
  9. I) is the volume and squelch. Volume is what is adjusted to how loud you want your speaker. Squelch you adjust to take out the unnecessary white noise.
  10. J) Mic Gain and RF gain - Mic Gain is how much gain you want to your mic. RF gain is how much of the receive you want to pick up.
  11. K) Is the fine and course adjustment that you clarify your frequencies with.
  12. L) You adjust the echo and the SWR with.
  13. M) is the channel selector.





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  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


Regards, Tony

Sep 17, 2011 | Cobra 200 GTL DX 4-Channels Base CB Radio

1 Answer

I need to know what knobs turn which way and what buttons need to be on


Volume/Squelch control: As desired
ETone: Sets the sound of the echo as desired
MicGain/RF Gain control: Normally, leave fully clockwise
Band Switch: for CB, turn all way to left (a/e)
Mode Switch: Selects how you modulate the radio. Normally, you will operate on AM, USB or LSB.
Fine/Coarse control: Changes the frequency you operate on. Normally, set so the frequency counter reading ends in 5. (center slot of the channel).
Buttons:
RB: Roger beep. Turn on or off as desired.
NB/ANL: Noise limiters. Leave on.
Frequency Counter: Turns counter lights on and off.
+10 KHZ: Allows you to get the channels missed by the Channel knob. Normally, leave off.
Power: Selects either high or low transmitter power setting.
Band: Selects band of operation. Low (A-D) or High (E-F)

Jun 12, 2011 | Galaxy Radios DX- 88HL Base CB Radio

1 Answer

How do you set regular channels and low and high on a connex 3300


Combination of hi / low switch and the band knob, I believe C band with the switch on low will give regular channels.

Jan 10, 2010 | Connex 3300 240-Channels Base CB Radio

1 Answer

I CANT HERE OR PUT OUT I NDONT KNOW WERE THE NOBS SHOULD BE


Big Knob settings from left to right...
First knobset...inner turn "volume" fully clockwise
... outer "squelch" fully counterclockwise
Second knobset...both inner and outer knobs fully clockwise
Third knob...chose which mode you want to use...Am or Fm (If your radio has been modified to TX/RX CB frequencies, chose AM)
Fourth knob...chose your band (If your radio has been modified to TX/RX CB frequencies, chose band D/A)
The only other knob that is important is the high/low power switch. It selects the band from the pair chosen by the band knob. I don't know if band D corresponds to high or low, so try both settings until one works.

If you can't TX or RX with these settings either there is no one talking at that time or your radio, antenna, or cable might be defective. You should get a copy of the owners manual to fully learn how to chose bands and adjust the settings. I've given you a starting point that should work but may not be optimum for all conditions.

Aug 28, 2009 | Connex CX-4300HP CB Radio

1 Answer

I dont know were the adjustment nobs should be i just got this radio and dont know that much about the galaxy 959


There are little red dots on the edge of each knob. As a starting point, try these knob positions (starting from the knob on the left)..
Adjust volume as desired.
Adjust squelch all the way counterclockwise (no squelch).
Adjust mic gain so the red dot is at the 12 o'clock position.
Adjust mic gain so the red dot is at the 12 o'clock position.
Adjust light dimmer as desired.
Adjust RF Power with the red dot at the 12 o'clock position.
Ignore talkback and clarifier for now.
Now for the 5 little slide switches...
Set all of them to the middle position.
Now you should be able to operate transmit and receive.

This is a very good radio, but there are so many adjustment knobs that you can reduce its performance if you just blindly turn knobs.
After you learn how the radio sounds and works with these average settings, play with each knob, adjusting a little and see what it does for your particular antenna setup. Do some "radio checks" with other CBers and find out what your best settings are. Also read the owners manual for guidance on what each knob does...especially mic gain (too low and you won't be heard, too high and you'll be garbled) and RF Power (to little and you won't reach out very far, too much and you'll overload local listeners). This is definitely not a beginners radio. But it is a lot of fun and will enable you to learn a lot.


Jul 10, 2009 | Galaxy Radios DX-959 40-Channels Base CB...

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