Contrast Adjustment; 1 H-Test; Data Key; Hour Counter, Random Function - LEGRAND MicroRex D21 Plus Manual

5

Contrast adjustment

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Data key

Load the programs of the time switch on to a data key (WRITE KEY)
Warning! all programs stored on the data key will be overwritten.
Load the programs from the data key to the time switch (READ KEY)
Warning! all programs programmed in the time switch will be overwritten.
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Hour counter
Displays the total relay ON time, (0 to 65535 h) and the date of the last reset.
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Random function
Function to simulate presence.
Function active: the programmed switching cycles are shifted at random within the range of ± 15 minutes.
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When this function is activated, the output is switched on for one hour.
After one hour, the time switch returns automatically to the programmed
mode.
or
or

1 h-Test