Watson-Marlow 620U - Manual (Page 27)

Watson-Marlow 620UN, 620U, 620SN, 620S User Manual 27
DIRECTION: toggles the direction of rotation shown on the display. If the
pump is then started by pressing the START key, it rotates in the new direc-
tion. If the pump is running when DIRECTION is pressed, the change takes
effect immediately.
ENTER: is used to enter/confirm numeric and menu selections. Also cycles the
information shown on the manual mode main screen exactly as START does,
whether the pump is running or not. See START, above.
MENU: causes the main menu to be displayed, from which pump Setup and
MemoDose can be controlled. See 15. Main menu.
MEMODOSE: causes the MemoDose facility to be displayed. See 17.
MemoDose.
Keypress combinations cause the pump to function as follows:
DIRECTION on power-up: resets defaults.
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 UP while the pump is stopped: turns the display backlight on.
STOP and DOWN while the pump is stopped: turns the display backlight off.
DIRECTION and DOWN: interrupts the display to show the pump’s ROM ver-
sion for four seconds.
MAX and UP: sets the pump to maximum allowed speed.
MAX and DOWN: sets the pump to minimum allowed speed.
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.