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26 September 2022

CRT SS7900V Turbo Service Menu


I've had a pile of emails and Facebook messages regarding the new CRT S7900V Turbo with many asking if there's a 'hidden service menu'....

Well of course there is, and you can see the various options/adjustments hidden in the service menu in the video above. 

IMPORTANT: DO NOT PLAY AROUND WITH THE SERVICE MENU - YOU CAN SERIOUSLY MESS UP YOUR RADIO IF YOU PRESS THE WRONG BUTTON OR TURN THE WRONG DIAL!!!! - LEAVE WELL ALONE!!!!


YOU HAVE BEEN WARNED - KEEP OUT - DO NOT TOUCH!!!!!


Now having said that enjoy the video and here is a list of the various adjustments found in the service menu...

CH-01 CH-01
CH-02 CH-02
CH-03 CH-03
CH-04 VCOFRQ
CH-05 BFOFRQ
CH-06 TX-IQ1
CH-07 TX-IQ2
CH-08 TX-IQ3
CH-09 FMPOWH
CH-10 FMPOWL
CH-11 FMRSSI
CH-12 FMMOD
CH-13 FMTONE
CH-14 CTC
CH-15 DCS
CH-16 AMPOWH
CH-17 AMPOWL
CH-18 AMRSSI
CH-19 AMMODL
CH-20 AMMODH
CH-21 AMTONE
CH-22 ULPOWH
CH-23 ULPOWL
CH-24 USB PA
CH-25 LSB PA
CH-26 USBPWL
CH-27 USBPWH
CH-28 BPFUSB
CH-29 BPFLSB
CH-30 USBTON
CH-31 LSBTON
CH-32 RX BPF
CH-33 TX BPF
CH-34 UL SQL
CH-35 UL SQH
CH-36 AF SQH
CH-37 AF SQL
CH-38 ASQ H
CH-39 ASQ L
CH-40 AF RS1
CH-41 AF RS3
CH-42 AF RS5
CH-43 AF RS7
CH-44 AF RS9
CH-45 AFRS12
CH-46 UL RS1
CH-47 UL RS3
CH-48 UL RS5
CH-49 UL RS7
CH-50 UL RS9
CH-51 ULRS12
CH-52 RFG
CH-53 SQTH
CH-54 ASQTH
CH-55 WXFRQ
CH-56 WXSQ0
CH-57 WXSQ1
CH-58 VBAT
CH-59 VER100

Most items are self-explanatory, but a signal generator and other test equipment would be required to make safe adjustments. 

Please take my advice and keep out of the menu, there's really nothing you can do to improve the radio as the CRT7900V is set it superbly from the factory. They all appear to be spot on frequency, have great audio on TX and RX and work better than most other radios on the market at the moment....

... THE NOISE REDUCTION IS SIMPLY BRILLIANT!!!! 

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