Sper Scientific 850070 Environmental Quality Meter - Mini - Manual (Page 6)

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2. Maximum / Minimum (Record)
• Press the MAX/MIN button (fig 1-3)
once. "REC" appears on the LCD to
indicate that the meter is in the Record
mode.
• Press the MAX/MIN button again.
"REC", "MAX" and the maximum
measurement appear on the LCD
• Press the MAX/MIN button again.
"REC," "MIN" and the minimum meas-
urement appear on the LCD.
• To delete the recorded maximum and
minimum values, press the HOLD
button (fig 1-2) once. When released,
the LCD displays only "REC".
• To exit this function, press and hold the
MAX/MIN button for at least 2 seconds,
until the display reverts to the current
reading.
3. Automatic Shut-Off
The instrument has an automatic shut off
function in order to prolong battery life.
After approximately 10 minutes without
activity (no buttons pushed), the meter will
automatically shut off. To disable this
feature, press the MAX/MIN button.(fig 1-3).
"REC" will appear on the LCD.
4. Overload Indicator
When the measurement is out of range,
"- - - -" appears on the display.
5. Battery Replacement
Replace the battery when the low
battery icon is displayed in the left
corner of LCD. In-spec measurements may
be made for several hours after the low
battery icon appears.