Contrast Adjustment - Siemens 7LF4 532-0 Instructivo

Modes
• Auto - Automatic operation
• Constant ON
• Constant OFF
• Extra
The switch status imposed by the program is inverted
(manual override). With the next effective switch command,
the time switch resumes control of ON/OFF switching.

Contrast adjustment

1 h-Test
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.
Reset
Warning!
The memory will be cleared,
and all set data will be lost.
Hold down for more than 3 seconds and at the
same time press and release
The language, time, date, summertime/ wintertime
and switching times will have to be reentered.
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