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Watson-Marlow 620DuN and 620Du User Manual 24
14.7 Backlight
To turn the display backlight on:
Depress the STOP and UP keys together.
To turn the display backlight off:
Depress the STOP and DOWN keys together.
See 18.17 Backlight.
14.8 Auto-restart
This pump offers an auto-restart feature. When active on power loss, it will restore
the pump when power returns to the operating state it was in when power was lost.
It does not operate when powering down in the middle of a dose; when the pump is
restarted, it will await a press on the START key to begin the interrupted dose
again. Auto-restart is retained while the pump is switched off. When the pump starts
running look for the ! symbol on the display. This ! symbol indicates that the pump
is set for auto-restart.
To turn the auto-restart facility on:
Turn off the mains power switch at the rear of the pump.
Depress the START key while switching on the mains power switch at the rear
of the pump.
To turn the auto-restart facility off:
Turn off the mains power switch at the rear of the pump.
Depress the STOP key while switching on the mains power switch at the rear
of the pump.
Do not use auto-restart for more than 100 starts per
hour. We recommend remote control where a high
number of starts is required.