6.5.7. Power OFF mode
This item is purely for power OFF testing purposes to avoid time consuming switching between
firmwares. It is in no way mentioned to be changed by users.
• Mode 0 means no deep sleep for QSPI giving approx. 12uA sleep current.
• Mode 1 corresponds to pre 3.9 DMCP behavior.
• Mode 2 corresponds to DMCP 3.9 and newer versions.
• Mode 3 is latest update to mode 2 which should fix possible deficiencies of mode 2 by adding
further pull-ups.
Defaults:
hwid=0 : Mode 1
hwid=1 : Mode 3
Note that the "Power OFF mode" value is preserved during calculator RESET, but is lost when
battery is removed.
6.5.8. Self Test
Displays production test menu where tests of various parts of calculator could be run from.
Self Test menu
1. KBD Test
2. LCD Test
3. IR Test
4. BEEP Test
5. Diagnostics
33
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