For best results:
4.
5.
6.
7.
8.
9.
CHANNEL: Switch remote sensor display
MODE: Change settings / display
ALARM: View alarm status; set alarm
Battery compartment
ZONE: Toggle between the 4 US time zones
°C / °F: Select temperature unit °C / °F
•
•
Place the sensor out of direct sunlight and moisture.
Do not place the sensor more than 30 meters
(100 feet) from the main (indoor) unit.
Position the sensor so that it faces the main (indoor)
unit, minimizing obstructions such as doors,
walls, and furniture.
•
10. RESET: Reset unit to default settings
Wireless Indoor / Outdoor Thermometer
with Self-Setting Atomic Clock
Model: RMR682A
•
•
Place the sensor in a location with a clear view to
the sky, away from metallic or electronic objects.
Position the sensor close to the main unit during
cold winter months as below-freezing temperatures
may affect battery performance and signal
transmission.
REMOTE SENSOR (THN122N)
1
USER MANUAL
INTRODUCTION
Thank you for selecting the Oregon ScientificTM Wireless
Indoor / Outdoor Thermometer with Self-Setting Atomic
Clock (RMR682A). The main unit can support up to 3
sensors. To purchase additional sensors, please contact
your local retailer.
1
2
3
The transmission range may vary depending on many
factors. You may need to experiment with various locations
to get the best results.
4
2
Standard Alkaline batteries contain significant amounts of
water. Because of this they will freeze in low temperatures
of approximately -12°C (10°F). Disposable Lithium batteries
have a much lower threshold for temperature with an
estimated freezing range of below -40°C (-40°F).
1. LED status
indicator: Blinks red
during data
1. Wall mount hole
2. RESET hole
3. CHANNEL switch
4. Battery compartment
NOTE Please keep this manual handy as you use your new
product. It contains practical step-by-step instructions, as
well as technical specifications and warnings you should
know about.
transmission
2. Ventilation duct
Wireless ranges can be impacted by a variety of factors
such as extremely cold temperatures. Extreme cold may
temporarily reduce the effective range between the sensor
and the base station. If the unit’s performance fails due to
low temperature, the unit will resume proper functioning
as the temperature rises to within the normal temperature
range (i.e. no permanent damage will occur to the unit due
to low temperatures).
OVERVIEW
FRONT VIEW
GETTING STARTED
POWER
Insert batteries before first use, matching the polarity (+
and -).
11
12
13
SENSOR DATA TRANSMISSION
1
2
3
4
14
15
Data is sent from the sensor(s) every 40 seconds. The
reception icon in the outdoor temperature area shows the
status.
5
6
7
8
9
10
16
17
ICON
DESCRIPTION
Main unit is searching for the
sensor(s)
NOTE Install batteries in the remote sensor before the
main unit. Press RESET after each battery change. Do
not use rechargeable batteries. We recommend that you
use alkaline batteries with this product for longer usage
and lithium batteries in temperatures below freezing.
18
A channel has been found
Sensor 1 is sending data
1.
2.
3.
4.
5.
6.
7.
Channel number and sensor reception status
Sensor low battery warning
The sensor cannot be found.
Search for the sensor or check
batteries
shows when batteries are low.
and“--.-”(Outdoor
temperaturearea)
Maximum / minimum outdoor temperature reading
Indoor temperature display icon
Main unit low battery warning
Maximum / minimum indoor temperature reading
Alarm is set
UNIT
LOCATION
Main
Remote
Indoor temperature area
Outdoor temperature area
To search for a sensor:
Simultaneously, press and hold MEM and CHANNEL for
2 seconds.
8.
9.
12-hour clock
Alarm is displayed
REMOTE SENSOR
The sensor collects temperature readings approx. every
40 seconds and sends them to the main unit. The main
unit can collect data from up to 3 sensors.
NOTE If the sensor is still not found, check the batteries,
obstructions, and remote unit location.
10. Radio-controlled clock reception icon
11. Hi / lo alarm is displayed
12. Outdoor temperature trend icon
13. Ice warning is active
14. Outdoor temperature reading
15. Indoor temperature trend icon
16. Indoor temperature reading
17. US time zones
CLOCK
To set up the sensor:
CLOCK RECEPTION
1.
2.
Remove the screws from the battery door.
Insert the batteries, matching the polarity (+ / -).
This product is designed to synchronize its date and time
automatically once it is within range of the WWVB-60
signal from the atomic clock in Boulder, Colorado.
18. Time, alarm and date
The sensor collects the radio signals whenever it is within
1500 km (932 miles) of a signal.
BACK VIEW
NOTE Initial reception takes 2-10 minutes for first set up or
when RESET is pressed. Once complete, the reception icon
will stop blinking. If the signal is weak, it can take up to 24
hours to get a valid signal.
1
2
8
9
3
4
10
RECEPTION SIGNAL
3.
4.
5.
Select a channel. Make sure you use a different
channel for each sensor.
Place the sensor near the main unit. Press RESET
on the sensor.
Simultaneously press CHANNEL and MEM on the
main unit to initiate signal sending between the
sensor and main unit.
STRONGWEAK
NO SIGNAL
5
6
To enable and force a signal search:
Press and hold for 2 seconds.
6.
7.
Close the battery door and secure the screws.
Place the sensor in the desired location using the
table stand or wall mount.
To disable the signal reception:
Press and hold for 2 seconds.
flashes when it is enabled.
SET CLOCK
7
To manually set the clock make sure the clock signal
reception is disabled.
1.
2.
3.
MEM: View current, maximum and minimum
temperature
To manually set the clock:
TEMP HI / LO
: Change settings or enable /
1.
Press and hold MODE for 2 seconds.
Press and to change the settings.
Press MODE to confirm.
disable hi or lo temperature alarm for channel 1
: Increase / decrease setting; activate /
deactivate clock reception signal
2.
3.
/
RMR682A_EN.indd
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