Orbis Chronos Manual Del Usuario página 55

If the key lock is active and one key is pressed, the display shows for a few seconds
the writing bLoc with flashing dashes: enter the password to unlock the keyboard,
which will be locked for 30 seconds from the last pressure.
This page shows the total number of hours of the
system operation (relais ON) for the current mode
(indicated by the icons o ).
The hour meter has got 4 digits and it's resettable
pressing for a long time the key until 0000
appears.
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CHRONOS Programmable Thermostat User Manual