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L--740--28--E
①
②
③
9. DESCRIPTION OF INCORPORATED FUNCTIONS
9.1 Display
9.1.1 Description of display
RED LED
LED
GRN LED
"ENT" switch
"SEL" switch
(1) LCD top row (
①
)
Shows measurements. Other variables also can be shown with switches. (An example at above shows
instant mass flowrate and instant volume flowrate. For details of displayed variables, see 9.1.3 View
variables.)
(2) LCD middle row (
②
)
Shows an error / status message.
For error messages, see 10.1 Error Messages and 10.2 Status Messages. If more than two messages
exist, they are shown one after another.
(3) LCD bottom row (
③
)
In the view variables screen, an arrow appears, pointing to the direction of scroll. By reversing the
arrow direction, you can reverse the direction of scroll. (For details, see 9.1.3 View variables.)
A black circle
●
may blink on and off at right of arrow. (It indicates that the number of running hours
has exceeded 100,000. For necessary treatment, see 10.2 Status Messages.)
(4) Red LED and green LED
Similar to messages, these LED show the status of flowmeter.
In normal operation, red LED stays off; green LED stays on.
Anything else is indicative of occurrence of something erratic.
See 10.1 Error Messages and 10.2 Status Messages.
(5) "SEL" and "ENT" switches
An infrared switch. Responds to a finger held close to it.
For operating procedure, see 9.1.2 Switch operation.
NOTE: If the infrared sensors do not respond sufficiently, use LinkTop to adjust the sensitivity.
In case you do not have LinkTop, use a reflecting subject, such as a sheet of paper,
to operate the switches.