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

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Wat ar FM,AM,USB,LSB.CW. On a CB radio - Ranger Communications RCI-6900F-25 CB Radio

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FM - Freq. Modulation

AM - Audio Modulation

USB - Upper Side Band

LSB- Lower Side Band

CW- Morris Code

Posted on Dec 04, 2009

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I have a Galaxy ssb echo bace,with cw,fm,am,usb,lsb selection nobs.It power's up ok,but no transmit,or receave,please what could be the problum ? I can only guess maby the finals perhaps?


could be a number of problems,final being one of them.Could be a bad match to your antenna . could be a bad transformer or a rectifier . If you have no electronic knowledge take it to a tech a let them work on it. Could save you some money .

Dec 18, 2015 | Radio Communications

1 Answer

Turn up mod on ept360015c


VR 14 for AM and VR 12 for SSB. I wouldn't mess with FM or you could end up with over deviation issues. FM is VR 5 and should be adjusted for about 4 1/2 KHz of deviation on a deviation meter.

Aug 23, 2014 | Radio Communications

1 Answer

No am


someone played with their radio without knowing what to do?

Apr 21, 2014 | Kenwood Radio Communications

1 Answer

Realistic DX300 shortwave do not receive


you may have to change caps and some transistors.

Aug 06, 2012 | Radio Shack Dx-302 Shortwave Am/usb/lsb-cw...

1 Answer

How do i find the FM frequency for a Connex CX-4300-300 CB radio?


FM is just a form of modulation, not an actual frequency. The frequency doesn't change between any of the modes (LSB, USB, AM, FM, CW).

For example, if you are on channel 19 (27.185MHz) on AM (Amplitude Modulation,) switching to FM (Frequency Modulation) mode you would still be at 27.185MHz, but using a different form of modulation.

Nov 10, 2009 | Connex CX-4300HP CB Radio

1 Answer

Rci2950keys up but no power gos out


Check to make sure that the radio is on AM not FM or LSB or USB. There is Also a power control on the front of the radio turn it up half way and see if this might be your problem.If it still does not have any power out put,put the radio on usb or lsb make sure that your modulation is turned up and talk into the mike to see if you have any output.If you do have output on ssb mode the am regulator is most likely bad. ( Q 51 & Q 53) wich is located in the right hand side of the radio.

Nov 08, 2008 | Radio Communications

1 Answer

How to find hidden menu on yeasu 857d


Note: The following was taken from a web site as follows:
http://www.kb2ljj.com/data/yaesu/ft-857.htm

WARNING: changing these will reset all the memories.
I want to warn you do not change these values unless you are sure of what you are doing. To get them turn transceiver off. Press and hold the A,B,C keys; while holding them in, press and hold in the [PWR] switch for 1/2 second to turn the tranceiver On. Now let go of all keys. Attention, for menu NO-017. Input voltage 13.8V = 138 to calibre voltmeter.
Press F key to finish.
Function Setting in my radio
============================================================= Adjust-No Function Setting Mode Frequency ============================================================= NO-001 HF1-RXG 118 CW 1.800.00 NO-002 HF2-RXG 91 CW 7.068.19 NO-003 HF3-RXG 133 CW 21.225.13 NO-004 50M-RXG 106 CW 50.000.00 NO-005 VHF-RXG 77 CW 145.437.50 NO-006 UHF-RXG 103 CW 438.900.00 NO-007 SSB-S9 61 CW 21.225.13 NO-008 SSB-FS 54 CW 21.225.13 NO-009 FM-S1 68 FM 145.437.50 NO-010 FM-FS 99 FM 145.437.50 NO-011 DISC-L 50 FM 145.437.50 NO-012 DISC-H 79 FM 145.437.50 NO-013 FM-TH1 100 FM 145.437.50 NO-014 FM-TH2 100 FM 145.437.50 NO-015 FM-TI1 10 FM 145.437.50 NO-016 FM-TI2 10 FM 145.437.50 NO-017 VCC 138 FM 145.437.50 NO-018 HF1-IC 83 CW 1.800.00 NO-019 HF2-IC 80 CW 7.068.19 NO-020 HF3-IC 87 CW 21.225.13 NO-021 50M-IC 84 CW 50.000.00 NO-022 VHF-IC 72 CW 145.437.50 NO-023 UHF-IC 74 CW 438.900.00 NO-024 HF1-PO-MAX 165 CW 1.800.00 NO-025 HF1-PO-MID2 105 CW 1.800.00 NO-026 HF1-PO-MID1 31 CW 1.800.00 NO-027 HF1-PO-MIN 13 CW 1.800.00 NO-028 HF2-PO-MAX 159 CW 7.068.19 NO-029 HF2-PO-MID2 102 CW 7.068.19 NO-030 HF2-PO-MID1 29 CW 7.068.19 NO-031 HF2-PO-MIN 11 CW 7.068.19 NO-032 HF3-PO-MAX 158 CW 21.225.13 NO-033 HF3-PO-MID2 101 CW 21.225.13 NO-034 HF3-PO-MID1 29 CW 21.225.13 NO-035 HF3-PO-MIN 11 CW 21.225.13 NO-036 50M-PO-MAX 145 CW 50.000.00 NO-037 50M-PO-MID2 92 CW 50.000.00 NO-038 50M-PO-MID1 47 CW 50.000.00 NO-039 50M-PO-MIN 8 CW 50.000.00 NO-040 VHF-PO-MAX 87 CW 145.437.50 NO-041 VHF-PO-MID 43 CW 145.437.50 NO-042 VHF-PO-MIN 7 CW 145.437.50 NO-043 UHF-PO-MAX 112 CW 438.900.00 NO-044 UHF-PO-MIN 16 CW 438.900.00 NO-045 HF1-TXG 48 USB 1.800.00 NO-046 HF2-TXG 38 USB 7.068.19 NO-047 HF3-TXG 43 USB 21.225.13 NO-048 50M-TXG 40 USB 50.000.00 NO-049 VHF-TXG 47 USB 145.437.50 NO-050 UHF-TXG 49 USB 438.900.00 NO-051 ALC1-M 203 USB 21.225.13 NO-052 ALC-M 85 USB 21.225.13 NO-053 HF1-REV-ALC 61 CW 1.800.00 NO-054 HF2-REV-ALC 56 CW 7.068.19 NO-055 HF3-REV-ALC 50 CW 21.225.13 NO-056 50M-REV-ALC 47 CW 50.000.00 NO-057 VHF-REV-ALC 62 CW 145.437.50 NO-058 UHF-REV-ALC 57 CW 438.900.00 NO-059 CW-CAR-LEVEL 144 CW 21.225.13 NO-060 AM-CAR-LEVEL 125 AM 21.225.13 NO-061 DEV-W 216 FM 145.437.50 NO-062 DEV-N 110 FM 145.437.50 NO-063 MOD-MTR 200 FM 145.437.50 NO-064 DTMF-DEV 10 FM 145.437.50 NO-065 CTCSS-DEV 233 FM 145.437.50 NO-066 DCS-DEV 168 FM 145.437.50 NO-067 LSB-CAR-POINT -7 LSB 21.225.13 NO-068 USB-CAR-POINT +5 USB 21.225.13 NO-069 VSWR2 at 10W 17 CW 14.257.90 NO-070 VSWR3 at 10W 42 CW 14.257.90 NO-071 ATAS-TEST LSB 14.257.90 NO-072 AMTR-TEST LSB 14.257.90 NO-073 HTEMP-THRESHOLD 38 LSB 14.257.90 NO-074 FTEMP-THRESHOLD 102 LSB 14.257.90 Hope thia helped........kevin KC8IDG

Oct 21, 2008 | Radio Communications

1 Answer

Galaxy 99 v


Likely the radio has a blown detector diode on the board as FM uses a special demodulation detection circuit called a quadrature detector or a discriminator detector the SSB circuit uses a product detector so the only other thing used in detection is the Am detector Diode. That is the first place to look if it is not bad it will be somewhere in that circuit.

May 07, 2008 | Galaxy Radios DX-99V 40-Channels Base CB...

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