Oregon Scientific Thermometer RMR683HGA User Manual

1. Heat index icon  
4. Close the battery compartment.  
5. Secure the sensor in the desired location using the wall  
mount or table stand.  
2. Hi / lo temperature alarm  
3. Max / Min temperature icon  
4. Sensor reception icon  
5. Comfort Zone  
6. Battery low icon  
7. Hi / lo humidity alarm  
8. Max / Min humidity icon  
9. Ice warning is active  
10. Temperature trend  
11. Temperature  
Wireless Indoor / Outdoor Thermometer  
with Indoor Humidity and  
Self-Setting Atomic Clock  
Model: RMR683HGA  
12. Heat Index Warning  
13. Humidity  
14. Humidity Trend  
USER MANUAL  
INTRODUCTION  
For best results:  
Clock / Alarm area:  
Place the sensor out of direct sunlight and moisture.  
Do not place the sensor more than 30 m (100 ft) from the  
main (indoor) unit.  
Thank you for selecting this Oregon ScientificTM Wireless  
Indoor / Outdoor Thermometer with Indoor Humidity and  
Self-Setting Atomic clock (RMR683HGA). This clock is  
supplied with a remote sensor (THN132N) and can support up  
to 3 sensors in total (additional sensors sold separately).  
Position the sensor so that it faces the main (indoor)  
unit, minimizing obstructions such as doors, walls, and  
furniture.  
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.  
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.  
1. Clock signal reception  
2. AM / PM mode selected  
3. Alarm mode  
4. Alarm set  
5. AM / PM mode selected  
6. Alarm time  
7. US time zone  
8. Clock  
9. Moon Phase  
The transmission range may vary depending on many factors.  
You may need to experiment with various locations to get  
the best results.  
CLOCK OVERVIEW  
FRONT VIEW  
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 -30°C (-22°F).  
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).  
REMOTE SENSOR (THN132N)  
SENSOR DATA TRANSMISSION  
The sensor reception icon in the temperature and humidity  
area shows the status.  
1. SNOOZE  
2. Temperature and Humidity Area  
3. Clock / Alarm Area  
ICON  
DESCRIPTION  
Main unit is searching for the  
sensor(s)  
BACK VIEW  
A channel has been found and  
sensor signal is being received  
and “- - . -“  
(Temperature  
and Humidity Area)  
The sensor cannot be found.  
Search for the sensor or  
check batteries  
 
��  
To search for a sensor:  
1. LED Indicator  
1. Wall mount  
2. Battery compartment  
3. Battery door  
Simultaneously, press and hold MEM and CHANNEL for  
2 seconds.  
4. Table stand  
5. CHANNEL switch  
NOTE If the sensor is still not found, check the batteries,  
obstructions, and remote unit location.  
GETTING STARTED  
CLOCK  
SETTING UP THE CLOCK  
Insert batteries before first use, matching the polarity  
(+ and -). RESET after each battery change.  
CLOCK RECEPTION  
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.  
The clock collects the radio signals whenever it is within 1500  
km (932 miles) of a signal.  
1. TEMP/ HUMIDITYHI / LO : Change settings or enable  
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.  
/ disable hi or lo temperature / humidity alarm  
2.  
/
: Increase / decrease setting; activate / deactivate  
clock reception signal  
3. CHANNEL: Switch remote sensor display  
4. HEAT INDEX  
5. MODE: Change settings / display  
6. ALARM: View alarm status; set alarm  
7. Battery compartment  
8. MEM: View current, maximum and minimum temperature  
/ humidity  
indicates main unit batteries are low.  
RECEPTION SIGNAL  
Clock signal reception indicator:  
NOTE 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.  
STRONG SIGNAL  
WEAK SIGNAL NO SIGNAL  
9. °C / °F: Select temperature unit  
10. ZONE: Toggle US time zone  
11. RESET: Reset unit to default settings  
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.  
To set up the sensor:  
1. Slide open the battery door.  
2. Insert the batteries, matching the polarity (+ / -).  
3. Select a channel. Make sure you use a different channel  
for each sensor.  
To enable and force a signal search:  
Press and hold for 2 seconds.  
LCD DISPLAY  
Temperature and Humidity area:  
To disable the signal reception:  
Press and hold for 2 seconds.  
 
flashes when it is disabled.  
SET CLOCK  
��  
 
To manually set the clock make sure the clock signal reception  
is disabled.  
 
To manually set the clock:  
1. Press and hold MODE for 2 seconds.  
2. Press  
and  
to change the settings.  
�  
3. Press MODE to confirm.  
RMR683HGA_M_OSIUSA_R6  
1
2006.2.23, 9:22 AM  
 

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