Oregon Scientific WMR90A User Manual Download Page 7

7

EN

TROUBLESHOOTING

PROBLEM

SYMPTOM

REMEDY

Barometer

Strange readings

Set unit

Calendar

Strange date / month

Change language

Clock

Cannot adjust clock

Disable radio-controlled clock

Cannot auto-synch

1. Adjust batteries
2. Press 

RESET

3. Manually activate radio 

controlled clock      

Temp

Shows “LLL” or “HHH”

Temperature is out-of-range

Remote 
sensor

Cannot locate remote 
sensor

1. Check batteries
2. Check if sensors are  

     within range

PRECAUTIONS

•  Do not subject the unit to excessive force, shock, dust, temperature or humidity.

•  Do not cover the ventilation hole with any items such as newspapers, curtains etc.

•  Do not immerse the unit in water. If you spill liquid over it, dry it immediately with a 

soft, lint-free cloth.

•  Do not clean the unit with abrasive or corrosive materials. 

•  Do not tamper with the unit’s internal components. This invalidates the warranty.

•  Only use fresh batteries. Do not mix new and old batteries.

•  Images shown in this manual may differ from the actual display.

•  When disposing of this product, ensure it is collected separately for special treatment.

•  Placement of this product on certain types of wood may result in damage to its 

finish  for  which  Oregon  Scientific  will  not  be  responsible.  Consult  the  furniture 
manufacturer's care instructions for information.

•  The contents of this manual may not be reproduced without the permission of the 

manufacturer.

•  Do not dispose old batteries as unsorted municipal waste.  Collection of such waste 

separately for special treatment is necessary.

•  Please note that some units are equipped with a battery safety strip. Remove the 

strip from the battery compartment before first use.

  NOTE 

 The  technical  specifications  for  this  product  and  the  contents  of  the  user 

manual are subject to change without notice.

SPECIFICATIONS

BASE STATION

Dimensions  

140 x 16 x 177 mm                              

(L x W x H) 

(5.5 x 0.6 x 6.9 in)

Weight 

250g (8.82 oz)

 without battery

INDOOR BAROMETER

Barometer unit 

mb/hPa, inHg and mmHg

Measuring range 

700 – 1050mb/hPa

Accuracy 

+/- 10 mb/hPa

Resolution 

1mb (0.0 inHg)

Altitude setting 

Sea level User setting for compensation

Weather display 

Sunny, Partly Cloudy, Cloudy, Rainy and Snowy

Memory 

Historical data and bar chart for last 24hrs

INDOOR TEMPERATURE

Temp. unit 

°C / °F

Displayed range  

0°C to 50°C (32°F to 122°F)

Operating range  

-30°C to 60°C (-4°F to 140°F)

Accuracy 

0°C - 40°C: +/- 1°C (+/- 2.0°F) 

 

 

 

40°C - 50°C: +/- 2°C (+/- 4.0°F)

Comfort 

20°C to 25°C (68°F to 77°F)

Memory 

Current, min and max temp. 

 

Dew Point w/ min and max

Alarm 

Hi / Lo

INDOOR RELATIVE HUMIDITY

Displayed range  

2% to 98%

Operating range  

25% to 90%

Resolution 

1%

Accuracy 

25% - 40%: +/- 7% 

 

40% - 80%: +/- 5% 

 

 

 

 

80% - 90%: +/- 7% 

Comfort 

40% to 70%

BAROMETER

To change the barometer alarm: 

1.  In the UV / Barometer / Rainfall Area and Barometer reading display, press and  
  hold 

ALARM

 to enter the Barometer alarm setting.

2.  Press + or - to set the desired values.
3.  Press 

ALARM

 to confirm the settings.

To activate / deactivate the barometer alarm:

1.  In the UV / Barometer / Rainfall Area and Barometer reading display, press    
 

ALARM

 repeatedly to select the desired alarm.

2.  Press 

MIN/MAX

 to activate or deactivate the alarm.

To set the altitude level compensation for the Barometer readings:

1.  In the UV / Barometer / Rainfall Area and Barometer reading display

,

 

p

ress and  

  hold 

MODE

 to enter the altitude setting.

2.  Press + or - to set the desired values.
3.  Press 

MODE

 to confirm the setting.

RAINFALL

To view the current hour, accumulated or last 24 hours rainfall history:

In the UV / Barometer / Rainfall Area and Rainfall reading display, press 

MIN/MAX

 

repeatedly to toggle between current, past 24 hours or accumulated rainfall. The clock 
line will change to display the start time when the accumulated rainfall is displayed. 
The icon 

  

appears and the start date is showing.

To toggle between rainfall & rain rate display:

In the UV / Barometer / Rainfall Area and Rainfall reading display, press and hold 

MODE

.

To reset the accumulated rainfall and timestamp:

In the UV / Barometer / Rainfall Area and Rainfall reading display, 

p

ress and hold 

MIN/MAX

 to reset the accumulated rainfall to ‘0’ and to set the timestamp to current 

date and time. 

To change the HI rainfall rate alarm: 

1.  In the UV / Barometer / Rainfall Area and Rainfall reading display, press and hold  
 

ALARM

 to enter the Rainfall alarm setting.

2.  Press + or - to set the desired values.
3.  Press 

ALARM

 to confirm the settings.

To activate / deactivate the HI rainfall rate alarm:

1.  In the UV / Barometer / Rainfall Area and Rainfall reading display, press 

ALARM

  

  repeatedly to select the desired alarm.
2.  Press 

MIN/MAX

 to activate or deactivate the alarm.

WEATHER ALARMS

Weather alarms are used to alert you of certain weather conditions. Once activated, 
the alarm will go off when a certain criterion is met.

Alarms can be set for:

•  Indoor and outdoor high/low temperatures, dew point and high/low humidity
•  High Heat Index
•  High Gust Wind
•  Low wind chill
•  High UV
•  Pressure drop
•  High rain rate
See the relevant section for how to set the alarm.

To silence any alarm:

 Press any button.

RESET

Press 

RESET

 to return to the default settings.

ACCESSORIES – SENSORS 

This  product  can  work  with  up  to  10  sensors  at  any  one  time  to  capture  outdoor 
temperature, relative humidity or UV readings in various locations. Optional wireless 
remote sensors such as those listed below can be purchased separately. For more 
information, please contact your local retailer.
•  Thermo-hygro THGR800 (3-Ch) 
•  Thermo-hygro THGR810 (10-Ch)
•  UV UVN800

Summary of Contents for WMR90A

Page 1: ...AA 4 x Screws Type C 6 x Washers Advanced Weather Station with Wireless Sensor Set USER MANUAL CONTENTS Introduction 1 Packing Contents 1 Wind Sensor 1 Rain Gauge 1 Overview 2 LCD Display 2 Wind Senso...

Page 2: ...4 HI LO temperature HI Heat Index and LO Wind Chill alarms are set 5 Selected area icon 6 Indoor Outdoor channel temperature and humidity is displayed 7 MAX MIN temperature 8 Outdoor sensor battery i...

Page 3: ...screw Type B to x 3 Assemble the wind vanes on the top of the wind pointer 4 Use the screw Type B to x 1 2 2 2 2 3 5 Hold the wind sensor upright and rotate the protective sleeve to the left to unloc...

Page 4: ...r Forecast Area Battery in the base station is low will show when AC adapter is disconnected Temperature Heat Index Wind Chill Area The displayed channel indicates the outdoor sensor for which battery...

Page 5: ...point alarms 1 In the Temperature or Humidity Area press ALARM repeatedly to toggle between high low alarms for temperature heat index wind chill humidity and dew point readings CLOCK CALENDAR To manu...

Page 6: ...clear the readings To change the high gust wind speed alarm 1 In the Wind Speed and Wind Direction Area press and hold ALARM to enter the high gust wind alarm setting 2 Press or to set the desired val...

Page 7: ...ort 40 to 70 BAROMETER To change the barometer alarm 1 In the UV Barometer Rainfall Area and Barometer reading display press and hold ALARM to enter the Barometer alarm setting 2 Press or to set the d...

Page 8: ...s device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation WARNING Changes or modi cations not expres...

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