Please do follwing steps for K-S2:
Create on SD card file "00077860.551" with "[OPEN_DEBUG_MENU]" and LF char.
Create on SD card file "DEVELOP.MOD" exact 10 bytes long with binary content:
Hexbytes: 07 1A 02 0A 19 18 1B 1C 05 11
Turn off camera, plugin this SD card. Leave card door open. Hold...
I have found how to enter Debug Mode on Pentax K-1 Mark II:
Create on SD card file "00078400.597" with "[OPEN_DEBUG_MENU]" and LF char.
Create on SD card file "DEVELOP.MOD" exact 10 bytes long with binary content:
For Development Menu 1-6: 07 01 2C 1F 10 03 1E 16 05 2D
For Development Menu 1-7...