The firmware can be updated using a standard Micro SD card. The card must be formatted with a FAT file system. It is not possible to 'brick' the Scaler - if you have a problem during an update, simply try again.
- Download zip file below and extract to an SD card.
- Insert SD card
- Press and hold buttons B and C
- Connect USB power
- Release buttons
- The LEDs will do a scrolling pattern when the update is complete
Details on firmware update
The update process has 3 stages, the LEDs will show which stage is active.
Stage 1 - Red
Stage 1 checks the hardware, if the SD card is readable and if the checksum of the update file is correct.
Stage 2 - Green
Stage 2 clears the existing firmware on the Scaler.
Stage 3 - Blue
Stage 3 writes new firmware. This stage takes the most time, the blue LED will blink to show progress.
If an error occurs during the update, an SOS pattern will show. The SOS pattern is 3 short blinks, 3 long blinks and 3 short blinks. The color of the short blink indicates which stage the error occurred, the long blink the specific problem.
Short red, long red
The SD card is not readable, or no SD card inserted.
Solution: try another SD card.
Short red, long green
The file system on the SD card is not recognized.
Solution: reformat SD card with FAT, FAT32 or exFAT.
Short red, long blue
Firmware file corrupt. Try to copy it again, or try a different SD card.
Solution: Download file again.
Short blue, long red
Problem reading firmware file during update.
Solution: the SD card likely has intermittent problems, try again or use another card.