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4. The setting sequence is: 12 / 24 hour format, hour,
minute, year, date / month format, month, date, and
display language.
NOTE Press ZONE to set the US time zone options: Pacic
(P), Mountain (M), Central (C) and Eastern (E).
NOTE The language options are English (E), German (D),
French (F), Italian (I), and Spanish (S).
To switch the clock display:
Press MODE to toggle between:
• Clock with day
• Clock with seconds
ALARM
To set the alarm:
1. Press and hold ALARM for 2 seconds.
2. Press / to set alarm time.
3. Press MODE/SNOOZE to conrm. indicates alarm is
ON.
To toggle alarms ON / OFF:
1. Press ALARM to display alarm time.
2. Press ALARM again to turn alarm ON / OFF.
To silence the alarm:
• Press SNOOZE to silence it for 8 minutes.
OR
• Press any key except SNOOZE to turn the alarm off and
activate it again after 24 hours.
TEMPERATURE AND HUMIDITY
To toggle temperature unit:
Press °C / °F.
To view outdoor sensors temperature readings:
Press CHANNEL.
To auto-scan between sensors:
Press and hold CHANNEL for 2 seconds. Each sensor’s data
is displayed for 3 seconds.
To end auto-scan:
Press CHANNEL or MEM.
To toggle between current, minimum and maximum
records for the selected sensor:
Press MEM repeatedly.
To clear the records:
Press and hold MEM for 2 seconds.
TEMPERATURE AND HUMIDITY TREND
The temperature and humidity trend icons are based on
recent readings.
RISING STEADY FALLING
ICE WARNING
If the channel 1 sensor falls between 3°C to –2°C (37°F
to 28°F), ashes to warn you that the temperature is
approaching freezing.
NOTE The warning will automatically stop if the temperature
goes outside the ice-warning range.
HI / LO TEMPERATURE / HUMIDITY ALARM
An alarm can be set to sound if sensor set to channel 1
records above or below a temperature / humidity of your
choice.
To set alarm ON / OFF:
1. Press and hold TEMP / HUMIDITY HI / LO .
2. Use and to select high / low temperature / humidity
alarm. Press TEMP / HUMIDITY HI / LO to conrm.
3. Press / to set alarm ON / OFF and press TEMP /
HUMIDITY HI / LO to conrm.
4. If alarm has been activated, use and to select the
temperature / humidity.
5. Press TEMP / HUMIDITY HI / LO to conrm.
To silence the alarm:
Press any key. The alarm resets automatically and will
resound if the hi / lo temperature selected is recorded
again.
NOTE The THN132N sensor supplied does not support
humidity readings. To enable Hi / Lo Humidity alarm a
thermo-hygro sensor must be purchased and set to channel
1. For further information on compatible sensors such as the
THGR268 thermo-hygro sensor please check with your local
retailer or go to www2.oregonscientic.com.
HEAT INDEX
The heat index combines temperature and humidity data to
describe the actual temperature felt. The THN132N sensor
supplied does not support heat index display. A thermo-hygro
sensor must be purchased to enable heat index display for
channels 1-3.
WARNING HEAT INDEX MEANING
Extreme danger 54.5°C (130°F) Strong risk of
or above dehydration / sun
stroke
Danger 40.5 - 54°C Heat exhaustion
(105 - 129°F) likely
Extremecaution 32.2 - 40°C Possibility of heat
(90 - 104°F) dehydration
Caution 26.6-31.7°C Possibility of heat
(80- 89°F) exhaustion
• To display the heat index, press HEAT INDEX.
• To toggle between current / maximum / minimum
readings, press HEAT INDEX, then press CHANNEL to
select channel 1-3 or indoor, followed by MEM.
• To toggle between temperature / humidity and heat index
display, press and hold HEAT INDEX for 2 seconds.
Press HEAT INDEX again to stop this feature.
NOTE If the heat index is below 80°F / 26°C, if the selected
sensor does not support humidity measurement or if the
channel is not working, the heat index will display NA .
COMFORT ZONE
The comfort zone assesses the climate based on current
temperature and humidity measurements.
ICON TEMPERATURE HUMIDITY
Any > 70%
20 - 25°C (68 - 77°F) 40 - 70%
Any < 40%
MOON PHASE
• When calendar is set press or to view the moon
phase for the next / previous day.
• Press and hold or to scan through the years (2001
to 2099).
New Moon
Waxing Crescent
First quarter
Waxing Gibbous
Full Moon
Waning Gibbous
Last quarter
Waning Crescent
RESET
Press RESET to return the main unit to the default settings. To
reset the sensor, remove and then re-insert the batteries.
PRECAUTIONS
This product is engineered to give you years of satisfactory
service if you handle it carefully. Here are a few
precautions:
• Do not subject the unit to excessive force, shock, dust,
temperature or humidity, which may result in malfunction,
shorter electronic life span, damaged battery and
distorted parts.
• 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.
Doing so will invalidate the warranty on the unit and
may cause unnecessary damage. The unit contains no
user-serviceable parts.
• Only use fresh batteries as specified in the user’s
instructions. Do not mix new and old batteries.
• Due to printing limitations, the displays shown in this
manual may differ from the actual display.
• The contents of this manual may not be reproduced
without the permission of the manufacturer.
NOTE The technical specications for this product and the
contents of the user manual are subject to change without
notice.
SPECIFICATIONS
TYPE DESCRIPTION
MAIN UNIT
L x W x H 97 x 127 x 70 mm
(3.94 x 5.20 x2.87 in)
Weight 241 g (8.5 oz) without battery
Temperature unit °C / °F
Temperature range -5°C to 50°C (23°F to 122°F)
Resolution 0.1°C (0.2°F)
Clock frequency WWVB-60 (US)
Synchronization Auto or disabled
Signal frequency 433 MHz
Clock Auto or manual (disabled)
Humidity range 25% - 95%
Humidity resolution 1%
MEM Min / Max relative humidity and
temperature
Alarm duration 2 minutes
Snooze 8 minutes
Clock display HH:MM:SS
HH:MM:Day of Week
Hour format 12 hour format
Calendar MM / DD language selectable:
E, D, F, I and S
Power 2 x UM-3 (AA) 1.5 V batteries
REMOTE UNIT
L x W x H 96 x 50 x 22 mm
(3.8 x 2.0 x 0.9 in)
Weight 62 g (2.22 oz) without battery
Transmission range 30 m (100 ft) unobstructed
Temperature Range -30°C to 60°C (-22°F to 140°F)
Power 1 x UM-3 (AA) 1.5 V battery
NOTE It is recommended that you use alkaline batteries
with this product for longer performance.
ABOUT OREGON SCIENTIFIC
Visit our website (www.oregonscientic.com) to learn more
about Oregon Scientic products such as digital cameras;
MP3 players; children’s electronic learning products and
games; projection clocks; health and tness gear; weather
stations; and digital and conference phones. The website
also includes contact information for our Customer Care
department in case you need to reach us, as well as frequently
asked questions and customer downloads.
We hope you will nd all the information you need on our
website, however if you’re in the US and would like to contact
the Oregon Scientic Customer Care department directly,
please visit:
www2.oregonscientic.com/service/default.asp
OR
Call 1-800-853-8883.
For international inquiries, please visit:
www2.oregonscientic.com/about/international.asp
FCC STATEMENT
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
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 modications not expressly approved
by the party responsible for compliance could void the user’s
authority to operate the equipment.
NOTE This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
• Consult the dealer or an experienced radio / TV technician
for help.
DECLARATION OF CONFORMITY
The following information is not to be used as contact for
support or sales. Please call our customer service number
(listed on our website at www.oregonscientic.com), or on the
warranty card for this product) for all inquiries instead.
We
Name: Oregon Scientic, Inc.
Address: 19861 SW 95th Ave.,Tualatin,
Oregon 97062 USA
Telephone No.: 1-800-853-8883
declare that the product
Product No.: RMR683HGA
Product Name: Wireless Indoor / Outdoor Thermometer
with Indoor Humidity and Self-Setting
Atomic Clock
Manufacturer: IDT Technology Limited
Address: Block C, 9/F, Kaiser Estate,
Phase 1,41 Man Yue St.,
ung Hom, Kowloon,
Hong Kong
is in conformity with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: 1) This device may
not cause harmful interference. 2) This device must accept
any interference received, including interference that may
cause undesired operation.
© 2006 Oregon Scientic. All rights reserved.
086L004263-038
RMR683HGA_M_OSIUSA_R6 2006.2.23, 9:22 AM2