La Crosse Technology WT139 Instruction Manual

Manual time setting:
In the normal display state, press the "SET" button for 2 seconds to
start setting. Press the "SET" button to change project, set the following order:
12/24 hours -Hour
" button to adjust the numbers, hours: 0-23, minutes: 0-59.
Temperature and Humidity function
In the normal display state, LCD screen will automatically display
the indoor Temperature and Humidity, press the "SET" converting ℃/℉.
Temperature display range: -10℃~+50℃ or 14℉~122℉, Humidity
range:20% RH ~ 90% RH. According to the Humidity value, five segment
display tips from dry to wet.
Maximum、Minimum Temperature and Humidity
In any interface, press the "MEM" button will switch the display to the
Maximum Temperature and Humidity for 5 seconds, then the
Minimum Temperature and Humidity according to press the "MEM" button
again.
In the Maximum or Minimum value interface, press the "MEM" button for 2
seconds will clear the Maximum or Minimum Temperature and
Humidity record.
TECHNICAL SPECIFICATIONS :
- Indoor temperature range: -10℃~+50℃ (14℉~122℉)
- Indoor humidity range : 20% RH ~ 90% RH
- Over/Hunder range messages : "HH.H/LL.L" and "--" for temperature,
"HH/LL" for humidity
- Resolution : 0.1° for temperature et 1% for humidity
- Indoor temperature and humidity reading updates every 20 seconds
- Minimum/Maximum temperature and humidity records
- Comfort level display :
 SEC : relative humidity is lower than 34%
 CONFORT/SEC : relative humidity is between 35% and 40%
 CONFORT/IDEAL : relative humidity is between 41% and 55%
WT139 Instruction Manual
-Minute. Set the range according to the " ▲