Lcd Description; Operation; Max/Min Readings - Extech Instruments 401014A User Manual

LCD Description
1. Maximum display icon
2. Indoor temperature reading
3. Minimum display icon
4. Outdoor temperature reading
5. Alarm ON/OFF icon
6. Outdoor temperature units (F/C) icon
7. Alarm setpoint programming icons (up arrow
for high alarm setpoint and down arrow for
low alarm setpoint)
8. Outdoor temperature icon
9. Indoor temperature units (F/C) icon
10. Indoor temperature icon
Operation
1. Remove the battery safety strip from the battery compartment to power the meter. See the
Maintenance section for battery replacement instructions.
2. Remove the protective adhesive cover from the LCD display.
3. Select the temperature units (C/F) using the temperature switch on the back of the meter.
4. Position the meter in the desired indoor area and run the external temperature probe to
outside area of interest.
5. The upper display indicates indoor temperature. The lower display, outdoor temperature.
MAX/MIN Readings
1. This meter displays the maximum and minimum readings stored over time. To record and
view the readings:
a. Press the MAX/MIN button. The display shows the highest and lowest indoor
temperatures measured since the RESET button was last pressed. The MAX and MIN
icons appear next to their respective readings.
b. Press the MAX/MIN button again. The display shows the highest and lowest outdoor
temperatures measured since the RESET button was last pressed. The MAX and MIN
icons appear next to their respective readings.
c. Press the MAX/MIN button again to return to normal operation, the MAX and MIN icons
will switch off.
2. To clear the MAX/MIN readings, short press the RESET button while in the MAX/MIN mode.
When reset, the MAX/MIN readings will show dashes and the meter will begin recording new
MAX/MIN readings. You can erase indoor and outdoor MAX/MIN memories independently.
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