%
%
O
O
STEL
CO
2
Fig.8
NOTE:
1.
While all readings are held unchanged,
STEL and TWA will keep updating
every 5 minutes.
If the meter is turned on for shorter
than 15 minutes, the STEL value will
be the weighted average of readings
taken since power on. Same for TWA
values appear before 8 hours.
2.It takes at least 5 minutes to calculate
STEL and TWA. The display shows
“----” (Fig.9) during the first 5 minutes
from power on.
3.
SET
%
%
O
O
STEL
CO
2
Fig. 9
The meter turns off automatically after
20 minutes of inactivity. To override the
function, hold down and for 2
seconds to turn on the meter until “
n
”
appears.
NOTE:
Auto sleep function
will be disabled during calibration mode.
6
SET
AUTO POWER OFF
ALARM
The meter features audible alarm to
give warnings when CO concentration
2
exceeds the limit. (See P1.
0
in setup
for setting alarm threshold). It emits
beeps(Abt.80dB)when CO level goes
2
over the set value
and stops when any
key (but ) was pressed or readings
fall below the set value. It beeps again
when value goes over the limit. Restart
the meter if beeper can't be stopped.
Содержание AZ 77535
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