Question about Ranger Communications RCI-6900F-25 CB Radio

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I have a TR-127 FS. This radio has clarifier on it. Why would it be on a radio without SSB ?

Non SSB radio with clarifier. Why Clarifier ?

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To slide between channels. or to tune the RX

Posted on Feb 04, 2014

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I hav a galaxy 98 vhp and my ssb is off can you tell me how to fix it plz ty


find the wires going to the switch then follow them to make sure they are connected. If they are ,gently,with your fingers,turn the dial to either USB or LSB .then adjust your clarifier to receive a signal.

Jul 14, 2012 | Radio Communications

1 Answer

Ihave a gargeled recive sound


Check the position of the mode selector switch. You may be receiving a SSB (single side band) transmission that is not on the exact same frequency as you or, your radio is in AM or FM mode. You will need to select either USB or LSB (upper or lower side band) and vary the clarifier knob until the sound becomes intelligible. If the sound does not become clear, try the other side band and repeat varying the clarifier knob.

Conversely, if you are in USB or LSB mode and there is a transmission on AM or FM, it will have the same garbled sound. Try changing the mode to AM and the FM. If it does not become clear, it is likely a SSB transmission and you are not on the exact same frequency of the transmission you are hearing. Vary the clarifier knob until it becomes clear - or change to the other side band if needed and try the clairfier again.

The short story is that you must be in the same mode and on the same exact frequency. When in AM or FM, this is less of a problem as these are much more wide banded signals than SSB signals.

The 2990 is really a 50 watt 10 meter amateur radio - but is geared to CBer's as it is easily modified to work in the CB frequency range and the so called "free band" between USA's CB (11 meters) and worldwide amateur 10 meter bands. Be careful transmitting this radio on CB frequencies as it violates FCC rules for power output there - and transmitting in the 28MHz - 29.7MHz requires a valid amateur radio license. Fifty watts on ham frequencies is tiny compared to the 1500 watts permitted. Why not get your ham license (here's how) and leave the "Chicken Band" (and all it entails) behind. You won't miss it!

I hope this helps and good luck!

Apr 12, 2012 | Cobra Radio Communications

1 Answer

Frequency counter displays two digets high from hump on fine clarifier adjestment on usb.27.186 insted of 27.185. also in am mode shows dead on with clarifer hump until mic is keyed thin dropes from 27.185...


Turn that fine clarifier a 1/4 turn or so to the right. I own a Galaxy DX99V and sometimes if that clarifier is just right it will drop down a hundredth of a MHz just like that when the mic is keyed. Your radio is just fine. Just adjust that clarifier a tad. The Galaxy DX99V is one of the best radios out there. I love them. -73-

Mar 10, 2011 | Galaxy Radios DX-99V 40-Channels Base CB...

1 Answer

I need to clip claifire to slide only when buten it pushed. how do i do it


You really do not want to do the clarifier mods... then when your on ssb you will be off frequency to a person that has a factory radio. Just not good operating procedure...

Feb 23, 2011 | Galaxy Radios DX-2547 40-Channels Base CB...

1 Answer

New radio, TX/RX freq. off 7khz and clarifier non functionable


under warranty that would be cover no charge.! send it in.. The clarifier on a factory radio will only adjust the RX.. not the TX.. unless there's a "course and fine." the course would do both. the fine would be rx only

Feb 22, 2011 | Galaxy Radios DX-2547 40-Channels Base CB...

1 Answer

Hi my deltaforce is slightly off on ssb you have to be on 27554 and clarifier at 12 30 to be spot on 27555 thanks vince


Use a known good external freq counter, and do the tx alignment. that will put your meter back on showing the right freq when you are..

Jan 27, 2011 | Magnum DeltaForce CB Radio

2 Answers

Need a mic for a midland 79-892 SSB Radio or at least the 6 pin mic plug


Because the radio has controls for the clarifier on the mic, there is an extra wire to have the control in the mic. This is why the radio uses a six pin mic but it is an offset pin spacing. This is an extremely tough mic connector to find and the radio is getting pretty old.
I have on several radios strapped the RF gain and used this knob as the clarifier and installed a five pin mic connector in the radio and it's mate on the mic. Not a job for those who are not used to doing this! But the radio is worth the repair as it is a good one! Email me at.... poikaa@yahoo.com

Feb 12, 2010 | Midland Radio Communications

2 Answers

How to adjust frequency on transmit??? Galaxy


hELLO THERE
hERE IS SOME MODIFICATIONS FOR THIS RADIO
Galaxy Mods DX 2527 - VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR11...Driver Bias, VR12...SSB ALC, VR13...Hi Power, VR14...AMC, VR15...AM Low Power, VR16...SSB Low Power, VC 1....10.240, VC 2....10.240. DX 2517- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5....FM Deviation, VR 6....SSB Carrier Balance, VR 7....TX Offset, VR 8....CW Beep Level, VR 9....RF Meter, VR10...Final Bias, VR11...Final Bias, VR12...Driver Bias, VR13...SSB ALC, VR14...AM/FM High Power, VR15...AM Modulation Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM/FM Low Power, VR601..13.8 Volt Power Supply. DX 22B- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR11...Driver Bias, VR12...SSB ALC, VR13...High Power, VR14...AMC, VR15...AM Low Power, VR16...SSB Low Power, VR21...TX Offset, VC 1....10.240, VC 2....10.240. DX 11B- VR 1....AM/FM S-Meter, VR 2....SSB/CW S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR10...Final Bias, VR11...Driver Bias, VR12...SSB ALC, VR13...AM/FM High Power, VR14...AM Modulation, VR16...CW Tone Level, VR20...Final Bias, VR21...TX Offset, VR601..13.8 Volt Power Supply, VR803..AM/FM Low Power. DX 77HML, DX 88HL, and DX 99V- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR10...Final Bias, VR11...Driver Bias, VR12...SSB ALC, VR13...AM/FM High Power, VR14...AM Modulation, VR16...AM/FM Low Power, VR20...Final Bias, VR21...TX Offset.
Unmarked VR in R189..AM/FM Medium Power for DX 77HML only. DX 33HML, DX 44V, DX 55V, DX 66V, and DX 73V- VR 1....AM/FM S-Meter, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 8....RF Meter, VR12...Low Power AM Modulation, VR13...AM/FM High Power, VR14...High Power AM Modulation, VR16...AM/FM Low Power.
Unmarked VR in R188..AM/FM Medium Power (DX 33HML only)
Unmarked VR in C139..Med Power AM modulation (DX 33HML only) DX 949,DX 959- VR 1....AM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM Squelch Range, VR 6.....SSB Carrier Balance, VR 7....TX Offset, VR 9....RF Meter, VR10...Final Bias, VR12...Driver Bias, VR13...SSB ALC, VR14...AM High Power, VR15...AM Modulation Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM Low Power, VC1....10.240. DX 2517 and DX 2527-
Symptom:Buzzing or motorboating sound in either the transmit or receive.
Problem: TR602 is oscillating
Cure: Replace C602 with a .01uF cap {Cap is located in the power supply board}.
RG 66,99,DX2517 Replace Q54 2SB754 60watt 7A with a higher power 2SB817 100 Watt 12A. Derating of this component will cool operation, provide better voltage stability,decrease wobble, allow voltage increase to 14.5 volts comfortably. (replace 10 volt caps in this section of the radio to a minimum of 16 volts before increasing supply voltage to this level)and provide faster swing rise time, Replace Q37 2SA473 to a 2SA1012-0 or ECG153 this will improve the clarity and volume of the modulation and it will also run a lot cooler.

Nov 12, 2009 | Galaxy Radios DX-949 40-Channels Base CB...

1 Answer

Cobra 200GTL: Clarifier affects TX


Unfortunately, most people look to unlock the clarifier in radio's it is locked in.

From what I understand it is possible to lock it in that radio, however I do not know it because I usually unlock it in my radio's.

I also did a search, and asked a few people I know who are also very good with radio's and they do not know either. The only thing I found was this, and you have to pay this shop to do it.

http://cobraworxshopz.com/12.html


Feb 02, 2009 | Cobra 200 GTL DX 4-Channels Base CB Radio

1 Answer

My superstar 3900 transmits on one channel and receives on one ch


Ok! well i deffinitally know what the problem is. You need to play with the clarifier, i think all the way to the left is a "course and fine tune" knob. This is generally for use when talking on SSB. but may affect AM if its way off.

The clarifier lets you slide on the freq. some radios will go a full channel some will only go a little or above the center of the channel. You need to play with the clarifier, you probably need to turn the course a lot, untill the audio is almost clear on the channel you want to talk on, than use the fine to tune it in so it sounds like they are sitting right next to you.

what you should do is buy a Frequency counter, you got a nice radio, so the freq. counter wouldent hurt. lets say you want to be on channel 19. you would turn the clarifiers untill i read 27.1850 That would put you right on the money

Jan 13, 2009 | Superstar SS-3900EGHPA CB Radio

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