Heidolph Hei-VAP Expert Operating Instructions Manual page 111

Commissioning
Hysteresis Δ
Menu item
In this menu, define the hysteresis for the opening pressure of the vacuum valve.
➜ Touch the function button and choose between automatic and manual hysteresis
mode:
– Activating the
different pressure ranges.
– Activating the
vacuum pressure range. Adjustment Range: 1 – 50 mbar.
➜ Confirm your entry with
Lock screen after
Menu item
You can use this menu item to specify the time after which the display is automatically
locked from the last operation.
➜
Touch the function button to open the on-screen numeric keyboard.
➜ Use the keyboard to enter the desired wait time in a range of at least one (1) to a
maximum of 60 minutes. Entries outside this value range are not accepted!
When the screen is locked, the lock icon
➜ Touch anywhere on the screen to display the screen unlock slider:
➜ To unlock the screen, drag the slider to the right.
Brightness
Menu item
You can use this menu item to adjust the brightness of the display.
➜
Touch the function button to open the on-screen numeric keyboard.
➜
Use the keyboard to adjust the brightness in per cent. Entries outside this value
range are not accepted!
➜
Confirm your entry with
p
Auto
mode, predefined hysteresis values are applied for
Manual
mode, one hysteresis value is applied for the entire
ok
to accept the the change.
ok
to accept the the change.
appears on the display.
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