Oregon Scientific Long- Range Wireless Weather Station with In-Out Thermo-Hygrometer and RF Clock BAR898HGA - Manual (Page 12)

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HOW TO RESET THE UNIT
The [ RESET ] button allows you to return all settings to factory
values. Accessing the slot is required only when the unit is
not operating in a favorable way such as in the rare case of a
malfunction.
The [ RESET ] slot is located inside the battery compartment
door. To use the button:
1. Open the battery compartment door.
2. Place a blunt stylus into the hole and press.
3. Close the battery compartment door.
MAINTENANCE
When handled properly, this unit is engineered to give you
years of satisfactory service. Here are a few product care
instructions:
1. Do not immerse the unit in water. If the unit comes in contact
with water, dry it immediately with a soft lint-free cloth.
2. Do not clean the unit with alcohol containing detergent,
abrasive or corrosive materials. Abrasive cleaning agents
may scratch the plastic parts and corrode the electronic circuit.
3. Do not subject the unit to excessive: force, shock, dust,
temperature, or humidity. Such treatment may result in
malfunction, a shorter electronic life span, damaged batteries,
or distorted parts.
4. Do not tamper with the unit's internal components. Doing so
will terminate the unit's warranty and may cause damage.
The unit contains no user-serviceable parts.
5. Only use new batteries as specified in this instruction manual.
Do not mix new and old batteries as the old batteries may
leak.
6. Read this instruction manual thoroughly before operating
the unit.
SPECIFICATIONS
Main unit
Indoor Temperature measurement
Proposed operating range : -5.0°C to +50.0°C
(23.0°F to 122.0°F)
Temperature resolution : 0.1°C (0.2°F)
Relative Humidity measurement
Measuring Range : 25% RH to 95% RH
at 25°C (77°F)
Humidity Resolution : 1% RH
Remote unit
RF Transmission Frequency : 433 MHz
No. of Remote unit : Up to 3 units
RF Transmission Range : Up to 100 meters or 300 feet
Data sensing cycle : around 40 seconds