Watson-Marlow 720UN and 720SN User Manual
47
16.11 Backlight
The pump’s display can be illuminated or not according to choice.
In the third screen of the Setup menu select
Backlight
using the
UP
and
DOWN
keys. Press
ENTER
to confirm your choice.
The pump displays a screen allowing the user to switch the display backlight on
or off. Use the
UP
and
DOWN
keys to choose
On
or
Off
and press
ENTER
to
confirm the decision.
The pump returns the user to the third screen of the Setup menu. The display is
now illuminated or not according to the user’s decision.
Alternatively ...
To turn the backlight off: press
STOP
and
DOWN
together.
To turn the backlight on: press
STOP
and
UP
together.
16.12 ROM
The pump can display its software version, model number and pump speed.
In the third screen of the Setup menu select
ROM
using the
UP
and
DOWN
keys. Press
ENTER
to confirm your choice.
The pump displays the software version, model number and the maximum set
pump speed for four seconds (an example is shown here), then returns the user
to the third screen of the Setup menu. It also displays a checksum: CHK 123,
for example. This may be required if reporting pump performance to the Wat-
son-Marlow service department.
Alternatively ...
Press
DIRECTION
and
DOWN
together to interrupt the display and show the pump’s
ROM version for four seconds.
UN
UN, SN
