Oregon Scientific RMR203HGA - Manual

Temperature and Humidity Station

with Atomic Time

Model: RMR203HGA

USER MANUAL

EN

OVERVIEW

FRONT VIEW (FIG 1)

1. Remote sensor reception indicator
2. Clock signal reception indicator
3.

MODE

: Change settings / display

4.

LIGHT

: Activate backlight for 5 seconds

5.

/

: Increase / decrease settings; activate /

deactivate clock reception signal

6. Outdoor temperature and humidity

Wireless sensor included does not include humidity.

To receive outdoor humidity you need a wireless sensor with
the humidity function.

7. Indoor temperature and humidity
8. Time zone
9. Clock with weekday
10.

MEM

: View current, maximum, minimum temperature /

humidity

11. Ice alert LED indicator

BACK VIEW (FIG 2)

1.

°C / °F

: Select temperature unit

2.

RESET

: Reset unit to default settings

REMOTE SENSOR (FIG 3)

1. LED status indicator
2.

Wall mount hole

3.

Battery compartment

4.

RESET

hole

5.

CHANNEL

switch

GETTING STARTED

INSERT BATTERIES

1. Remove the battery compartment.
2. Insert the batteries, matching the polarities (see FIG 2).

LOCATION

MEANING

Clock / alarm

Main unit batteries low

Outdoor temperature Sensor batteries low
and humidity area

REMOTE SENSOR

The main unit can collect data from up to 3 sensors.

To set up the sensor:

1. Open the battery compartment (see FIG 3).
2. Select a channel then press

RESET

.

3. Close the battery door.
4. Place the sensor within 30 m (98 ft) of the main unit

using the table stand or wall mount.

TIP

Ideal placements for the sensor would be in any

location on the exterior of the home at a height of not more
than 5 ft and which can shield it from direct sunlight or wet
conditions for an accurate reading.

Use alkaline batteries for longer usage and consumer

grade lithium batteries in temperatures below freezing.

SENSOR DATA TRANSMISSION

To search for a sensor:

Press and hold

+ MODE

simultaneously.

The sensor reception icon in the remote sensor area shows
the status:

ICON

DESCRIPTION

Main unit is searching for sensor(s).

A channel has been found.

The sensor cannot be found.

TIP

The transmission range may vary depending on many

factors. You may need to experiment with various locations
to get the best results.

CLOCK

CLOCK RECEPTION

This product is designed to synchronize its clock automatically
with WWVB-60 signal, within 3200km (2000 miles) of Fort
Collins Colorado.

To enable / disable signal reception:

Press and hold

to enable or

to disable signal

reception.

Reception takes 2-10 minutes. If the signal is weak,

it can take up to 24 hours to get a valid signal. If signal
reception is unsuccessful, place your unit next to a window,
press and hold

to force another signal search.

Clock signal reception indicator:

STRONG SIGNAL WEAK SIGNAL NO SIGNAL

MANUALLY SET CLOCK

To set the clock manually, disable the signal reception first.
1. Press and hold

MODE

.

2. Press

or

to change the settings.

3. Press

MODE

to confirm.

4. The settings order is: time zone, 12/24 hr format, hour,

minute, year, calendar mode (day – month / month –
day), month, day and language.

Select the time zone: (P) Pacific, (E) Eastern, (C) Central or
(M) Mountain.

The language options are English (E), German (D),

French (F), Italian (I), and Spanish (S).

To select display mode:

Press

MODE

to choose between clock with seconds /

weekday / calendar.

TEMPERATURE AND HUMIDITY

To toggle temperature unit:

Press

°C / °F

.

To auto-scan between sensors:

Press and hold

+ MEM

to display each sensor’s data

for 3 seconds.

To end press

.

To toggle between current, minimum and maximum
records for the selected sensor:

Press

MEM

repeatedly.

To clear the records:

Press and hold

MEM

.

ICE WARNING

If the channel 1 sensor falls between 3°C to

-2 °C (37°F to 28°F), LED indicator will flash, and will stop
flashing once the temperature is out of this range.

BACKLIGHT

Press

LIGHT

to activate backlight for 5 seconds.

RESET

Press

RESET

to return to the default settings.

PRECAUTIONS

•

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

•

Do not cover the ventilation holes 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.

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RMR203HGA_M_EN_R2.indd 1

2007.6.21 9:49:08 AM

P/N:086L00

4999-013

REV1

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