Max BC-RT-TRX-CyG-4 Operating Manual page 42

Child safeguard/operating lock
ton to confirm the correct digits.
• After you have selected the correct code, "ON" or "OFF"
is displayed. Select "OFF" with the handwheel and press
the Boost button to confirm.
• The display returns to normal. The
the advanced operating lock is deactivated.
• If you enter an incorrect code, the display switches back
to normal immediately. The advanced operating lock con-
tinues to be activated.
If you have taught-in several radiator thermostats the
operating lock has to be activated and deactivated
manually on each device.
Changing the code:
• Press the Auto/Manu button longer than 3 seconds. Se-
lect the menu item „Loc" with the handwheel and confirm
with the Boost button.
• Enter the code stored in the memory as described above.
"ON" or "OFF" is displayed.
• Press the Auto/Manu button again.
• Use the handwheel to change each of the four digits in
the code one after the other. Confirm your selection with
the Boost button. The new code and "ON" or "OFF" are
now displayed.
• Once you have selected all four digits, press the Boost but-
ton. Your code has now changed and the display reverts
to the normal view.
If you forget the code, the full functional scope of the
MAX! Radiator Thermostat + can only be restored by
42
-symbol is off and