Hatteland Display 26 inch - HD 26T21 MMC (Widescreen) - Manual (Page 18)

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Serial/Ethernet Communication (SCOM) Interface
IND100084-14
"FWV" - Firmware (FW) Version Video chipset, Cypress and Ethernet controller
Get the firmware version for GEV/RAP (Video Chipset), Cypress (Glass Display Control™ - GDC) and Ethernet.
Byte Description Applies to Example reply as ASCII text after query
0x00 GEV firmware version MMD 120306V1
0x00 RAP firmware version STD RAP120106R0V01
0x01 Cypress firmware version MMD, STD 21023R0V01
0x02 Ethernet firmware version MMD E121003V1
Note: For MMC units specifically, use commands "SWI" and "SWK" to retrieve Cypress/Ethernet FW versions.
Note: For all MMD/STD/MMC units, "SWI" & "SWK" can also be used to retrieve FW versions.
Example:
Command to get GEV firmware version:
0x07 0xFF 0x46 0x57 0x56 0x01 0x05 0x00 0xFF
Acknowledge: FWV "120306V1":
0x06 0xFF 0x46 0x57 0x56 0x08 0xFF 0x30 0x33 0x30 0x36 0x56 0x31 0x4C
"GMB" - Glass Display Control™ (GDC) Minimum Brightness
Sets the minimum value limit for the backlight of the LED's on the GDC, making sure that the LED's and GDC
symbols are still visible if they was previously adjusted down to a very low value by the "BRL" command or via the
"LED Drive" function from within the OSD menu (or set via the MCC command).
Range from 0x00 to 0x31 (0% - 100%).
Example:
Command to set 50% Minimum Brightness limit:
0x07 0xFF 0x47 0x4D 0x42 0x01 0x22 0x19 0xE6
"INV" - Flip image upside down
Turn the Image upside down (only valid on the 12 and 15 inch units).
0x00 Flip image (vertical flip)
0xFF Set image normal
Example:
Command Flip image (0x00):
0x07 0xFF 0x49 0x4E 0x56 0x01 0x0B 0x00 0xFF