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We recommend lithium batteries for cold weather climates, but alkaline
batteries are sufficient for most climates.
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We do not recommend rechargeable batteries. They have lower voltages,
do not operate well at wide temperature ranges, and do not last as long,
resulting in poorer reception.
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Replace the battery door.
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Note that the temperature and humidity will be displayed on the LCD
display. Looking at the back of the unit from left to right, the polarity is (-)
(+) for the top battery and (+) (-) for the bottom battery.
GETTING STARTED
Best Practices for Wireless Communication
Note: To insure proper communication, mount the remote sensor(s)
upright on a vertical surface, such as a wall. Do not lay the sensor flat.
Wireless communication is susceptible to interference, distance, walls and
metal barriers. We recommend the following best practices for trouble free
wireless communication.
1. Electro-Magnetic Interference (EMI). Keep the console several feet away
from computer monitors and TVs.
2. Radio Frequency Interference (RFI). If you have other 433 MHz devices
and communication is intermittent, try turning off these other devices for
troubleshooting purposes. You may need to relocate the transmitters or
receivers to avoid intermittent communication.
3. Line of Sight Rating. This device is rated at 300 feet line of sight (no
interference, barriers or walls) but typically you will get 100 feet maximum
under most real-world installations, which include passing through
barriers or walls.
4. Metal Barriers. Radio frequency will not pass through metal barriers such
as aluminum siding. If you have metal siding, align the remote and console
through a window to get a clear line of sight.
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