Watson-Marlow 620U - Manual (Page 25)

Watson-Marlow 620UN, 620U, 620SN, 620S 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 pad-
lock 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 pad-
lock 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.
14.2 Keypad functions, 620SN, 620S
All settings and functions of the
pump in manual mode are set and
controlled by means of key-press-
es. Immediately after the start-up
display sequence detailed above,
the manual mode main screen will
be displayed. The currently select-
ed rotation direction is indicated on
the display by a clockwise or count-
er-clockwise segmented arrow. If
an exclamation mark ( ! ) shows, it
indicates that Auto-restart is on. If
a padlock icon (
) shows, it indi-
cates that Keypad lock is on.
A brief single press on each key
triggers a beep sound (if enabled - see 14.6 Keypad beep) and causes the pump to
function as follows:
SN, S