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 CRT SS6900V

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WRCK
Victor
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Mavic2Pro
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New Member



Call Sign : 26-CT-4634
Posts : 12
Times Thanked : 0
Join date : 2022-07-27
QTH or Location : Clacton
Equipment Used : CRT SS6900 V V7, Astatic 575-M6 Teardrop, Uniden 125xlt, Baofeng UV-5rIII, Malachite SDR, Realistic Pro 2006
Age : 61

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PostSubject: CRT SS6900V    CRT SS6900V  Icon_minitimeFri Nov 04, 2022 10:35 am

Hi all,

I was wondering if any other 6900V owners have encountered the same issue as I recently have with this radio? On the CB 41 years anniversary night, I decided to activate the Noise Cancelling circuit ( FUNCTION Key to option 8 then switch to the on position ). But on doing this, I receive absolutely no audio; it's as if someone has turned off the audio circuit and unplugged the aerial lead? Switching off/on again does nothing. If it go back to the menu and switch the NR to off, the radio works fine again. I'm hoping I haven't got a duffer.

73's

Tim
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Victor
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Victor


Call Sign : 26-CT-3228 / M7VIC
Posts : 4235
Times Thanked : 266
Join date : 2019-11-10
QTH or Location : Bedford
Equipment Used : Various

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeFri Nov 04, 2022 2:48 pm

Hi Tim,


I don't own the 6900V but did take a scout around to see if I could help any.

On the official CRT site the radio is listed as "SS 6900 V BLUE V7 NRC BOARD INCLUDED". See the link below :-

https://www.crtfrance.com/en/mobiles-transceivers/987-crt-ss-6900-v-blue-version-2022-v8.html


Now I can only presume that "NRC" is an acronym for "Noise Reduction Circuit" or some such but also found more details at this following link :-

https://simonthewizard.com/2022/02/04/news-crt6900v-nrc-board-optional/


However on every supplier that currently lists this radio they have it marked as supplied with this board or "NRC included".

I can only presume that the often exclaimed 'chip shortage' may have affected initial production of this radio so maybe it was not fitted to early/certain production runs or perhaps it was an original option?

Otherwise you could well be right in that you might have a defective unit with a board that doesn't work. I wouldn't know without taking a peer inside such a radio and unfortunately I haven't taken a look for service diagrams to be able to confirm the theory either. (Might be worth a read of the user manual too in case there's some other setting you have to make.)


Worth looking for your original order receipt to see if it has any markings with NRC included or contacting the supplier you obtained it from to see if you can either get the situation rectified or verify your original order.


Anyway, I hope that's of some help.

All the best,
Victor
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https://www.qrz.com/db/M7VIC
Mavic2Pro
New Member
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Call Sign : 26-CT-4634
Posts : 12
Times Thanked : 0
Join date : 2022-07-27
QTH or Location : Clacton
Equipment Used : CRT SS6900 V V7, Astatic 575-M6 Teardrop, Uniden 125xlt, Baofeng UV-5rIII, Malachite SDR, Realistic Pro 2006
Age : 61

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeFri Nov 04, 2022 5:50 pm

Hi Victor,

Thanks for your information. I have contacted the retailer about this now and am waiting to hear back. They've been very helpful in the past on a mic related wiring question and have an excellent reputation, so fingers crossed they have a quick solution.

73's

Tim

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WRCK
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WRCK


Call Sign : 68-CT-086
Posts : 3
Times Thanked : 0
Join date : 2022-10-06
QTH or Location : Dromara, County Down.
Equipment Used : SS6900v, Pni Escort 6500, 888s
Age : 40

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeSat Nov 05, 2022 8:53 am

Hi, if you go to option 8 in the menu and toggle NR on you should notice a significant reduction in noise but not silence, the nr function is brilliant you should also be able to toggle it on, off , on , off etc without leaving that menu.
 Make sure your volume is up and try it on a channel thats busy to confirm if its faulty

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Mavic2Pro
New Member
New Member



Call Sign : 26-CT-4634
Posts : 12
Times Thanked : 0
Join date : 2022-07-27
QTH or Location : Clacton
Equipment Used : CRT SS6900 V V7, Astatic 575-M6 Teardrop, Uniden 125xlt, Baofeng UV-5rIII, Malachite SDR, Realistic Pro 2006
Age : 61

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeSun Nov 06, 2022 4:57 pm

WRCK wrote:
Hi, if you go to option 8 in the menu and toggle NR on you should notice a significant reduction in noise but not silence, the nr function is brilliant you should also be able to toggle it on, off , on , off etc without leaving that menu.
 Make sure your volume is up and try it on a channel thats busy to confirm if its faulty
Hi WRCK,

Yes I tried every solution. I sent a video of the issue to the seller and they have agreed it's a board fault and offered to fix the rig. 

Regards,

Tim

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Rosssin
New Member
New Member



Call Sign : 14-CT-016
Posts : 15
Times Thanked : 0
Join date : 2022-11-05
QTH or Location : Toulouse, France
Equipment Used : Randy III, crt ss9900, RS-918, President Grant

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeTue Nov 08, 2022 11:25 pm

BTW, what is the difference between the N and V models of this radio?
Thanks!

Mavic2Pro likes this post

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SangueG
Major contributor
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SangueG


Call Sign : 26-CT-3971 / M7TDV
Posts : 770
Times Thanked : 42
Join date : 2021-01-30
QTH or Location : Cirencester, Gloucestershire
Equipment Used : Little radios, home-made antennas

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeWed Nov 09, 2022 4:30 am

Rosssin wrote:
BTW, what is the difference between the N and V models of this radio?
Thanks!

The v is latest version. Has a few extra features the n doesn't, not just including the NRC circuit talked about above and the ability to send CTCSS/DCS tones for repeaters. If you look on seller sites like Knights they list all the new extra features.

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https://station-master.online/M7TDV
Sharpshooter
Major contributor
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Sharpshooter


Call Sign : 163-CT-329
Posts : 320
Times Thanked : 10
Join date : 2022-04-05
QTH or Location : Flintshire
Equipment Used : CRT SS 9900, Ranger 2950DX, Manor Kestrel, Sirio 4000 antenna, CRT space U, Sirio SU375-480 PL antenna, UV5R's x2,

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeWed Nov 09, 2022 9:01 am

SangueG wrote:
Rosssin wrote:
BTW, what is the difference between the N and V models of this radio?
Thanks!

The v is latest version. Has a few extra features the n doesn't, not just including the NRC circuit talked about above and the ability to send CTCSS/DCS tones for repeaters. If you look on seller sites like Knights they list all the new extra features.


I was going to post last night with this link but must of forgot to press send 🙄😁

https://simonthewizard.com/2022/01/06/new-radio-crt-ss6900-v/



I looked at them before the 9900, and wanted the V

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Mavic2Pro
New Member
New Member



Call Sign : 26-CT-4634
Posts : 12
Times Thanked : 0
Join date : 2022-07-27
QTH or Location : Clacton
Equipment Used : CRT SS6900 V V7, Astatic 575-M6 Teardrop, Uniden 125xlt, Baofeng UV-5rIII, Malachite SDR, Realistic Pro 2006
Age : 61

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeMon Nov 28, 2022 12:33 pm

I'm pleased to say I now have a brand new replacement 6900V courtesy of Knights. Excellent service by Doug!

My location means I'm more of a listener than broadcaster, but switching on the NRC on this new rig for the calling channels does make a big difference.

73's
Tim

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DerekF
New Member
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Call Sign : 26-CT-4631....M7OGB
Posts : 28
Times Thanked : 1
Join date : 2022-09-09
QTH or Location : Middlesbrough, North Yorkshire
Equipment Used : Icom F25SR, Intaride IR-803, Baofeng UV-5R, Anytone AT-778UV
Age : 69

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PostSubject: Re: CRT SS6900V    CRT SS6900V  Icon_minitimeMon Nov 28, 2022 11:16 pm

Hi Tim

Pleased to hear that with the help of Knights you have been sent a replacement radio.

I've absolutely no connection with Knights (not even as a customer) but it's great to hear that there are still businesses around that provide good customer service.

73
Derek

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