Watson-Marlow 720UN and 720SN User Manual
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14.6 Keypad beep
The pump keypad can operate silently or indicate a positive key-press with a beep
sound.
To toggle the sound on and off, stop the pump. Turn off the mains power switch
at the rear of the pump.
Depress the
UP
and
DIRECTION
keys while switching on the mains power
switch at the rear of the pump.
14.7 To reset defaults
All settings can be re-set to factory defaults.
Turn off the mains power switch at the rear of the pump.
Press the
DIRECTION
key while switching on the mains power switch at the
rear of the pump. A warning screen is displayed briefly, followed by a screen
asking the user to confirm that factory defaults are to be reset.
Select
Yes
or
No
using the
UP
and
DOWN
keys. Confirm by pressing
ENTER
. If
Yes
was confirmed, the pump resets all user-settable data to default values and
displays the manual mode main screen. If
No
was confirmed, no change is
made and the manual mode main screen is displayed.
The language of display screens may be reset only by resetting defaults.
14.8 To reset language
The language of display screens is set on initial start-up. To reset language, reset all
defaults (see 14.7
To reset defaults
).
14.9 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 16.11
Backlight
.