2. Operation and function
2.1 Buttons for adjustment
1
3
2
(-) backwards
forwards (+)
SET / OK
(selection / adjustment mode)
control lamp
2.2 Control lamp
The controller is equipped with a red-/green control
lamp.The following control and system status are si-
gnalled as shown:
• green: automatic operation
• red flashing: malfunction of the system
• green flashing: manual mode
The controller is operated via the 3 push buttons below
the display. The forward-button (1) is used for scrolling
forward through the menu or to increase the adjust-
ment values.The backward-button (2) is similarly used
for scrolling backwards and reducing values. Button 3
is used for selection of the menu lines and for confir-
mation.
• Briefly press button 3 in order to access the main
menu
• Select the requested menu using buttons 1 and 2.
• Briefly press button 3, the selected submenu is then
shown on the display. By selecting the menu line
"back", the display returns to the former menu level.
• Press buttons 1, 2 and 3 to scroll until the choosen
menu line is reached.
• Briefly press button 3 in the respective menu line to
modifiy adjustment values - „change value“ appears
on the display - adjust the requested value by pres-
sing the buttons 1 and 2 (for large intervals, keep the
button pressed).
• Briefly press button 3 in order to finish the adjust-
ment.
• To save the change, answer the security inquiry „Save?“
by choosing „yes“ or „no“ (buttons 1 and 2) and confirm
with button 3.
Note:
If in the display mode no button is pressed within 4
minutes, the display changes back to measured values
menu (in the case of a message, the message menu is
indicated).
When button 3 is pressed for 2 seconds, the display
changes back to the main menu.
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