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Watson-Marlow 620DuN and 620Du User Manual 25
15 Main menu
15.1 Keypad functions in menu screens
In addition to their functions in other operations, the following keys have specific
actions in menu screens:
STOP: In general, STOP functions as a “go back” key, taking the user up one
menu level without making a change.
UP: The UP key is used in menu item selection: it moves a highlight up the
menu. When a numerical entry screen is displayed, pressing UP increases the
number displayed.
DOWN: The DOWN key is used in menu item selection: it moves a highlight
down a menu. When a numerical entry screen is displayed, pressing DOWN
decreases the number displayed.
ENTER: The ENTER key functions in a similar way to the “enter” key of a per-
sonal computer: it confirms key-presses made immediately before. In menu
item selection, it triggers the action or display selected from a menu using the
UP and DOWN keys.
Note: Confirmation screens are displayed for 4 seconds. While they are displayed,
a single press on any key removes them.
15.2 Main menu entry
MENU (SHIFT, 7) displays the main menu and stops the pump if it is running in
Manual mode. It operates at any point in the pump’s activity except where error
screens are displayed, where UP and DOWN keys are used to enter values, or
where a PIN is requested.
The main menu offers five options: Calibrate, Setup, Pin out details, MemoDose
and Exit. Use the UP and DOWN keys to make a choice. Press the ENTER key to
confirm your decision.
Calibrate
Calibrate allows the user to calibrate the pump with default figures for a range of
pumpheads and tubes, as well as to refine the flowrate figures with a calibration
dose facility.
Setup
Setup allows the user to set the pump’s operating parameters under 23 headings:
Trim, Analogue, Display, Pump I/D, Baud, Stop bits, Xon/Xoff, Flow units, Run time,
Outputs, Remote stop, Auto-restart, Set max speed, Set min speed, Scrolling,
Date/time, Backlight, ROM, Language, Defaults, Beep, Security code and Exit.
DuN, Du