DELTACALOR ECO BASIC Notice D'utilisation Et D'installation page 37

You can lock the device keys to avoid entering wrong settings.
• Press the PROG buttons simultaneously for 3 seconds to lock
all buttons except the
active on the display
• To unlock the keys, press the keys again
The key lock icon disappears from the display.
CHILDREN SAFETY
Keyboard lock
ON / Stand by button. The icon
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PROG for 3 seconds.
is