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Display and Keyboard
5. DISPLAY AND KEYBOARD
5.1 Display
The display of the measuring device ALMEMO
module with six and a half 7-segment digits, two 16-segment digits, and a
battery symbol and seven arrows for indicating the operating status.
BAT
Special Operating Conditions
Segment test of the display
Batt. almost discharged, no print operation:
Batt. discharged, device switches off:
Sensors that are not connected,
deactivated measuring points,
cleared programming values.
Sensor correction or scaling
Measurement in progress
Output as graphic plot
Output as list print
Output to RS232 interface
Function selected
Memory function selected (option S)
Alarm Conditions
are displayed as follows and cause an alarm (see manual 6.3.9):
Sensor breakage:
Overshooting of measuring range:
Undershooting of measuring range:
Exceeding of limit value:
Undershoot. of meas. range CJ compens.
or meas. without ext. CJC or CJC break.
Exceeding of range of values (>65000):
5.2 Selecting and Activating Functions
17
CORR START GRAPH LIST RS232 ALARM F
ALMEMO
6290-7B
®
6290-7B consists of an LCD
automatically after switch-on.
BAT
symbol illuminated
1:L o b A t
1: - - - -
arrow CORR illuminated
arrow START illuminated
arrow GRAPH illuminated
arrow LIST illuminated
arrow RS232 illuminated
arrow F illuminated
arrow F flashes
1: N i C r
maximum value flashes
minimum value flashes
arrow ALARM illuminated
1:
C J
1:6 5 0 0 0
3
2
°C
abbr. flashes
(cold junction)
flashes
flashes
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