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SPECIFICATIONS
MAINTENANCE
SM1670 main unit
Dimensions: 250 x 155 x 32 mm
Battery type: 3 X 1.5V AA/LR6 batteries
Indoor Temperature range: 0°C to 50°C
Indoor Humidity range: 20% to 99%
Remote sensor
Dimensions: 60 x 25 x 95 mm
Battery type: 2 X 1.5V AAA/LR03 batteries
Temperature range: -20°C to +50°C
Transmission frequency: 433 MHz
Transmission Range: 30m (open space)
In order to clean the unit, use only a soft cloth moistened with water; do not use any detergent
product. Do not dismantle or drop the unit. Remove the batteries if the unit is not going to be used
for an extended period of time.
Solution:
1. Ensure the remote sensor is out of direct sunlight, and away from sources of heat.
2.
• Press the TX key inside the remote sensor’s battery compartment to synchronize manually
the remote sensor and the main unit.
• There may be some interference caused by electrical devices: change the sensor’s channel.
• Batteries in remote sensor may need to be replaced.
• Move the remote sensor closer to the main unit.
• Make sure the remote sensor is away from sources of electrical disturbance.
3. Reset the unit. If this proves to be ineffective, remove and replace the batteries in both the
remote sensor and main unit.
