31
X
X
X
X
X
4. Setting the back light
The FHZ1000’s display has a back light, for which various settings are possible:
•
Off
: The back light is switched off.
•
Auto
: The back light switches on automatically when a button is pressed and switches off approx. 15 seconds after
the last button has been pressed.
•
On:
The back light is continuously on, as long as there is a power supply. If the power supply should fail or be
removed, the back light works in automatic mode in order to preserve the battery.
To adjust the settings for the back light, proceed as follows:
• Briefly press the ‘
x
’ button once.
• Select ‘Sonderfkt.’ (special function) using the scroller.
• Briefly press the ‘
x
’ button once.
• Select ‘Konfig.’ (configuration) using the scroller.
• Briefly press the ‘
x
’ button once.
• Select ‘Beleucht.’ (back light) using the scroller.
• Briefly press the ‘
x
’ button once.
• Select the desired setting (on, off, auto) for the back light using the scroller.
• To save, briefly press the ‘MAKRO’ button once.
• The display briefly shows ‘gespeich.’ (saved).
• Press the ‘
w
’ button four times to return to the normal operating mode.
X
X
X
X
X
5. Button lock
The device is equipped with an integrated lock function for the buttons and the scroller to protect the device from
unintentional operation (for instance, by children).
Proceed as follows:
• In order to activate the lock, simultaneously press the ‘FUNKTION’ and ‘PROG’ buttons until the key symbol appears
on the display.
• To deactivate the lock function, simultaneously press the ‘FUNKTION’ and ‘PROG’ buttons until the key symbol no
longer appears on the display.
FHT 8W Heat Demand Relay
Installation and User Guide
Product Code EHC-FH06
1
