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iPump 6420 User’s Manual
www.wegener.com 800070-01 Rev B Chapter 3, Page 61
Push Button Definitions
The push buttons react differently based on what mode the user is in and what screen type is
currently being displayed. The following table describes this interaction. Note that this is a
general guideline. Exceptions will be noted in the individual IRD specifications.
LCD Mode Push
Button
LCD Screen
Type
Function
MENU
Go to next lower level and display the first screen on that level.
INFO
N/A
ENTER
PARAMETER
Enter EDIT mode and set cursor on first digit if alpha-numeric or
blink entire field if field type is list select. EDIT mode is only
entered if the user has the authorization to edit the parameter.
ESCAPE (All)
Go to previous (higher) level and display the current screen OR
display the first screen at the current level if at the highest level.
The first screen at the top level is the HOME screen. Therefore,
pressing ESCAPE numerous times (or pressing and holding) will
eventually return the user to the HOME screen.
UP (All)
N/A
DOWN (All)
N/A
LEFT (All, except
SCROLL
INFO)
Display the previous screen at the current level OR wrap to the
last screen if currently on the first screen.
RIGHT (All, except
SCROLL
INFO)
Display the next screen at the current level OR wrap to the first
screen if currently on the last screen.
LEFT SCROLL
INFO
Scrolls to the left in a scrolled information screen.
VIEW
RIGHT SCROLL
INFO
Scrolls to the right in a scrolled information screen.
ENTER PARAMETER
If the user input is valid, the IRD accepts the changes that were
made and enters the VIEW mode. If the input was invalid, the
IRD flashes an “Invalid Entry” message on the LCD momentarily
before returning to the same screen in the EDIT mode again.
ESCAPE PARAMETER
Abort any changes made to the parameter and enter the VIEW
mode.
UP PARAMETER
List Select: Scrolls up to next value in the list or wraps if currently
on the last item in the list.
Alpha-numeric: Increases the value of the current field. If numeric
and the current value is 9 (if decimal) or 0xF (if hex), the value
will wrap to a 0. If alpha-numeric, the value will wrap to the first
ASCII value when at 0x7F.
DOWN PARAMETER
List Select: Scrolls down to previous value in the list or wraps to
the last item if currently on the first item in the list.
Alpha-numeric: Decreases the value of the current field. If
numeric and the current value is 0, the value will wrap to 9 (if
decimal) or to 0xF (if hex). If alpha-numeric, the value will wrap
to the last ASCII value when at the first.
LEFT PARAMETER
List Select: N/A
Alpha-numeric: Moves to the previous digit. Wraps to the last
digit if currently on the first.
EDIT
RIGHT PARAMETER
List Select: N/A
Alpha-numeric: Moves to the next digit. Wraps to the first digit if
currently on the last.