4-2 CO alarm setting
During the CO measurement, press the " Alarm
Button " ( 3-6, Fig. 1 ) once, the display will show the
indicator " ALARM " and going on to execute the CO
alarm function. If the measurement value over the "
Alarm setting value ", the buzzer will sound.
* When the Display show the " ALARM " indicator, press
the " Alarm Button " ( 3-6, Fig. 1 ) once again, will
disable the CO alarm function, the ' ALARM " indicator on
the LCD will be disappeared.
* The procedures of setting the CO alarm value, please
refer to section 5-3 ( page 9 ).
4-3 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.
4-4 Data Record ( Max., Min. reading )
* The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-4, Fig.
1 ) once to start the Data Record function and there
will be a " REC. " symbol on the display.
* With the " REC. " symbol on the display :
a) Press the " REC Button " ( 3-4, Fig. 1 ) once, the "
REC. MAX. " symbol along with the maximum value
will appear on the display.
If intend to delete the maximum value, just press
the " Hold Button " ( 3-3, Fig. 1 ) once, then the
display will show the " REC. " symbol only & execute
the memory function continuously.
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