Vision SB-1900P Manuel Du Propriétaire page 22

UEQ – Preset EQ status update
Sent when there is a changes of default EQ state Possible Parameters: 4 chars
MUSI – MUSIC EQ take effect
MOVI – MOVIE EQ take effect FLAT –
FLAT EQ take effect
NEWS – NEWS EQ take effect
GAME – GAME EQ take effect
Example: UEQ MUSI.
Added 26/05/22 - Update MCU V0.09 software
Adds RS-232 code which sets a max volume limit.
Operation:
Connect PC to SB-1900P via RS232 interface, and with serial port tool send #MVL 20 to set the
max volume to 20.
Max volume can only be less than or equal to 32. If greater than @MVL ER INVALID is
returned.
Max volume is remembered after power off, but factory reset will return to 32.
Firmware upgrade process:
1. Copy unzipped file "jl_690x.bfu" to USB memory stick
2. Press and hold source button on SB-1900P, then connect to power. SB-1900P will power on.
3. Plug in the USB stick
4. Software upgrade will start. All lights are on.
Once the red lights comes on the upgrade has finished.
How to check the version:
Press and hold the VOL+ button on unit to power on.
The green light flashes 9 times, indicating that the current version is V0.09
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SB-1900P_manual_en