Zanussi ZDF867 Instruction Booklet page 19

LOCK FEATURE - MAIN OVEN ONLY
8.
To Lock The Oven Using The Timer
Press and hold buttons ( ) and ( ) for 3 - 8
seconds.
'On' will appear in the display as Fig. 15.
Turn the Decrease/Increase control clockwise to
change the display to 'Of'.
The key symbol ( ) appears in the display. The
oven will now not operate.
After a few seconds the time of day will show in the
Fig. 15
display as Fig. 16.
Wait 3 seconds before selecting another function.
To Unlock The Oven
Press and hold buttons ( ) and ( ) for 3 - 8
seconds.
'Of' will appear in the display as Fig. 17.
Turn the Decrease/Increase control clockwise to
change the display to 'On'.
Fig. 16
The key symbol ( ) will go out.
After a few seconds the time of day will show in the
display.
The oven can now be operated normally.
Fig. 17
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