
NT-311 Digital Temperature Humidity Meter Instruction
1 Function Key Description
1.1
【MODE】: Switch clock / alarm mode, set clock, alarm, 12-hour / 24-hour
display and Calendar.
1.2 【ADJ】button : Adjust clock, alarm and calendar value, switch the clock
display in 12-hour/24-hour system.
1.3 【MEMORY】button : display or clear the MAX. and MIN. temperature and
humidity reading.
1.4 RESET button : clear all setting and memory reading, back to initial status
1.5 / button : switch the temperature unit ℃℉ between ℃and ℉
2 Operation
2.1
Time and Date Setting: press【MODE】button for 2 seconds, the minute
display will star t blinking, press【ADJ】button to change minute, press
【MODE】button again, each value of clock, alarm, 12-hour/24-hour
displaying and Calendar will st art blinki ng in turn, press【ADJ】button to adjust
each value as you require, at last, press 【MODE】button to confirm and save
the settings.
2.2 Alarm Time/ Hourly Beep Time Setting: in the clock mode(two dot
between hour and minute is blinking), press【MODE】button on e time for
switching to alarm mode(two dot between hour and minute display will
steady), press the【ADJ】button, it will allow you to switch between alarm,
hourly beep ( ), alarm and hourly beep ( ), or all of f, then press【MODE】
button for 2 seconds, you can set the alarm time or hourly beep time. If you
don't set any value in one minute, it will revert to clock mod e automati cally, or
press 【MODE】button to confirm setting,
2.3 Calenda r View: In the clock mode, press【ADJ】button to view the calendar,
after 3 seconds, it will revert to clock mode automatically.
2.4 MAX / MIN. Reading :Press【MODE】button 1~2 times to display MAX, or
MIN. reading of temperature and humidity. Press【MEMORY】button in 2
seconds to clear the MAX. or MIN. reading.
2.5 / ℃℉Setting: Press the【 / ℃℉】button on backside for switching the
temperature unit between and ℃℉.
3 Maintenance
3.1
Please press the【RESET】button on the backside when th e meter is used for
the first time or when replacing the battery.
3.2 If any abnormality appears, please press the 【RESET】 button
3.3 Take your old battery to an approved recycling/disposal center.
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