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Operation
5.3
Data Hold
Fig. 8: Hold Function
5.4
MIN, MAX, STEL,
TWA
Fig. 9: CO
reading
2
Fig. 10: maximum CO
46
STEL: Weighted average of readings during the
last 15 minutes.
TWA: Weighted average of readings during the last
8 hours.
value
2
When the user has selected MIN or MAX, the dis-
play will show the minimum value or the maximum
value of the selected measuring mode (CO, CO
In normal measuring mode, press HOLD to
freeze the readings.
The HOLD icon will flash on the left top of the
LCD.
Press HOLD again to cancel the hold func-
tion.
NOTE!
The HOLD function is disabled in the
MIN/MAX/AVG Mode.
In normal measuring mode, press M/AVG to
see the minimum value (MIN) in the selected
mode.
Each press of M/AVG displays MIN, MAX,
STEL, TWA, current value in sequence.
Press START/ESC to bring up the measuring
menu again.
In the MAX, MIN, STEL, TAW modes and in the
current value mode, the display shows the corre-
sponding readings in the main display and the
accumulated time of how long this mode is active.
The longest possible interval is 18 hours.
NOTE!
Distinguishing between the display of the normal
mode and the current review is possible by
checking the time display format: In normal dis-
play the date and time is displayed in turns. In the
current review, the time displayed is the accumu-
lated time of how long the min/max mode is ac-
tive.
NOTE!
HOLD, MANUALLY RECORD and RECALL are
disabled in the MIN/MAX mode.
).
2
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