Watson-Marlow 720UN and 720SN User Manual
25
Keypress combinations
cause the pump to function as follows:
Note
: A number of the controls listed below are shortcuts to commands which are
also available through the Main menu. See 15.
Main menu
.
UP
and
DIRECTION
on power-up: toggles the
keypad beep
on and off.
START
on power-up: switches on the
Auto-restart
facility. See 16.6
Auto-
restart
.
STOP
on power-up: switches off the
Auto-restart
facility. See 16.6
Auto-
restart
.
STOP
and
DIRECTION
on power-up: allows the user to press
UP
and
DOWN
keys to toggle the sense of remote run/stop control between open=stop and
open=run.
STOP
and
UP
while the pump is stopped: turns the
display backlight
on.
STOP
and
DOWN
while the pump is stopped: turns the
display backlight
off.
MAX
and
UP
: sets the pump to maximum allowed speed.
MAX
and
DOWN
: sets the pump to minimum allowed speed.
DIRECTION
and
DOWN
: interrupts the display to show the pump’s ROM ver-
sion for four seconds.
START
pressed and held for two seconds: toggles the
keypad lock
on and off.
Only the
START
and
STOP
keys are active when keypad lock is on. The padlock
icon is displayed.
STOP
pressed and held for two seconds: toggles the
keypad lock
on and off.
Only the
START
and
STOP
keys are active when keypad lock is on. The padlock
icon is displayed.
STOP STOP
within half a second: shortcut entry to the MemoDose menu; when
in MemoDose, shortcut return to manual mode main screen. See 17.
MemoDose
.