CDA hn3620, Manual For Installation, Use And Maintenance, Page: 13 / 28

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and hold the timer “+” or “-” keys to scroll through the duration
quickly.
• After approximately five seconds, the control LED stops flashing
and the countdown will start.
• At the end of the set time, the the timer display will flash “00” and
the hob will beep for approximately one minute.
• To switch off the beep and the flashing displays, touch any key.
Key Lock
The hob is equipped with a key lock to lock the controls. This can be
used when the hob is off.
To turn on the key lock
If the hob is not already turned on, turn it on by touching the key.
Touch the “-” key and the “Zone selection” key for the front zone at
the same time, then touch just the front zone “Zone selection” key.
The hob beeps to confirm the key lock is switched on.
To turn off the key lock
If the hob is not already turned on, turn it on by touching the key.
Touch the “-” key and the “Zone selection” key for the front zone at
the same time, then touch just the “-” key.
The hob beeps to confirm the key lock is switched off, then the hob
switches off. When turning the hob back on the key lock is turned off.
Residual heat indicators
The hob is equipped with residual heat indicators to warn when any
of the zones are still hot to the touch after cooking. An “
H
” will show