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⚫ Lights on, indicates the buttons are locked. At this moment, press any single button
will not work (Under any status, no operation in one minute, will light on and lock the
buttons.)
⚫ Solution：Press and hold both and for 5 seconds, the lights off.
B. Menu/Confirm button
⚫ In service mode, press to enter program display mode, select settings to view
parameter values.
⚫ In program display mode, press to enter program set mode, and adjust all values.
⚫ Press after all program are set, and then the voice “Di” means all settings are
successful and return program display mode.
C. Manual/Return button
⚫ Press in service status, it can proceed to next step. (Example: After unlock the
buttons, press in service status, it will start regeneration cycles instantly if the outlet
water is unqualified; Press while it is in backwash status, it will end backwash and go to
brine &slow rinse at once.)
⚫ Press in program display mode, and it will return in service; press in program set
mode, and it will return program display mode.
⚫ Press while adjusting the value, then it will return program display mode directly
without saving value.
D. Down and Up
⚫ In program display mode, press or to view all values.
⚫ In program set mode, press or to adjust values
⚫ Press and hold both and for 5 seconds to unlock the buttons.
2.2. Basic Setting & Usage
A. In unlocked status, press to enter user parameter set mode:
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