Operating instructions

4.1.1. Key assignment
F1-key: Leads to the table of contents.
ENTER-key: Confirms the entries.
ESC-key: Goes back one step in the menu.
ACK-key: Activates an alarm message;
to unblock the control system.
Arrow keys: Move the cursor bar;
switch the appliances on or off in combination with
the SHIFT key;
for scrolling forward or backward in a menu.
SHIFT-key: Switches on the secondary functions of the keys,
when the SHIFT-key has been pushed, the
LED “SHIFT” is on.
HELP-key: Viewing additional texts,
when additional texts can be viewed the
LED “HELP” is on.
LED “ALARM”: A failure is given by flashing of the LED “alarm”.
If the alarm message is acknowledged by pressing
of the “ACK” key, but the failure is not yet eliminated,
the flashing changes to steady light.
When there is no failure the LED is off.
&
LED = light emitting diode
An additional alarm device (horn or lamp) can be connected
(optional).
Dehumidified air dryer
Start-up 4-3