9
３－１
Maintenance mode and summery of each menu
.
Maintenance mode of FI-800 is to make 「 Confirmation of the status for
interferometric sensor」, 「Adjustment of 4～20mA output」 「Adjustment of sensor
sensitivity」, 「Setting of alarm levels」 etc.
Pressing ●mark of MAINTENANCE switch for above 5 seconds during measurement
mode, it is entered to maintenance mode.
Pressing ●mark of MAINTENANCE switch again for above 5 seconds, it changes to
the normal measurement mode.
Once maintenance mode is entered, analog
output becomes approx. 2.5mA and REF CAL
light flashes.
Also, the menu shown at right side is
displayed on LCD display part.
You can step to each menu by pressing
UP/DOWN switch ▼/▲ and ●mark of
SET switch.
The below table shows each menu and its contents.
LCD display
Contents of menu
Display of contrast for interferometric sensor
Display of light amount for interferometric sensor
Adjustment of 4～20mA output
Adjustment of sensor sensitivity (SPAN)
Setting of alarm levels.
Alarm test
Setting of CAL cycle for AUTO REF (Option)
Display of ROM number
Display of specification number
Pressure display at sensor part
Temperature display
３．Operation method in maintenance mode
Displays menu
Initial screen at maintenance
Flashing
