GR30/GM30/GR50, GR30/GM30 User Interface
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Format the SD card
Activate the dual button functionality.
4 X
Press the Function button four times until the SD card LED
starts flashing slowly:
3 s • Press and hold the Function button until the LED flashes
quickly to format the SD card.
After the SD card format is completed, the LED and instrument
functionality goes back to general behaviour.
Exit combined button functionality
• Use the button functionality as described above.
OR
5 X • To return to normal instrument functionality, press the
Function button five times until all LEDs stop flashing.
Buttons How to