Chapter 1. Programming Site Data
6
DigitalFlow™ DF868 Multipurpose Ultrasonic Liquid Flowmeter Programming Manual (2-Channel)
1.3
Obtaining On-line Help
A context-sensitive, on-line help system is programmed into every Model DF868 flowmeter. On-line help, which
displays additional information related to the current task, may be accessed at any time by pressing the
[HELP]
key
on the keypad. The help information will be shown on the currently selected pane of the display screen, as shown in
Figure 2: Typical On-Line Help Screen
After entering the on-line help system, the following functions are available on the option bar of the selected display
pane:
•
MORE:
Press
[F1]
(or
[F5]
) to access this function, and the next screen of text is displayed in the prompt area.
•
EXIT:
Press
[F2]
(or
[F6]
) to access this function, and the Model DF868 returns to measurement mode.
•
ERROR:
Press
[F3]
(or
[F7]
) to access this function, and the various Model DF868 error codes are displayed. Use
the
[F1]
-
[F4]
(or
[F5]
-
[F8]
) function keys, in conjunction with the [
and [
keys, to obtain additional
information on the desired error code or to exit the help system.
Note:
See the
Service Manual,
Chapter 2
, Error Codes and Screen Messages,
for a complete listing of all error codes
and messages.
•
FLOW:
Press
[F4]
(or
[F8]
) to access this function, and the various flow measurement parameters are displayed.
Use the
[F1]
-
[F4]
(or
[F5]
-
[F8]
) function keys, in conjunction with the [
and [
keys, to obtain additional
information on the desired measurement parameter or to exit the help system.
MORE
FLOW
EXIT
ERROR
ON-LINE HELP
MORE
EXIT
ERROR
FLOW