Oregon Scientific WMR90A User Manual

Page 7

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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

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