b. Dew point measurement
The procedures of " Dew point measurement " are same
as the above " a. Humidity/Temp. measurement "
except press the " Dew point Button " ( 3-6, Fig. 1 ) once,
the lower LCD will show the indicator " DEW " & and the
Dew point value along the unit. " ( or ).
℃
℉
* The upper display will still show the humidity value
and not change.
* If press the " Dew point Button " ( 3-6, Fig. 1 ) once again,
the lower LCD will return the Temp. value.
4-3 CO2 alarm setting
During the CO2 measurement, if press the " Alarm
Button " ( 3-6, Fig. 1 ) once, the display will show the
indicator " ALARM " and going on to execute the CO2
alarm function. If the measurement value over the "
Alarm setting value ", the buzzer will sound.
* If press the " Alarm Button " ( 3-6, Fig. 1 ) once again,
the CO2 alarm function will be disabled, the ' ALARM "
indicator on the LCD will be disappeared.
* The procedures of setting the CO2 alarm value, please
refer section 5-3 ( page 11 ).
4-4 Data Hold
During the measurement, press the " Hold Button " ( 3-3,
Fig. 1 ) once will hold the measured value & the LCD will
display a " HOLD " symbol.
* Press the " Hold Button " once again will release the data
hold function.
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