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Sometimes a simple relocation of the outdoor sensor or the projection alarm will correct the
interference.
Windows can reflect the radio signal.
Metal will absorb the RF (radio frequency) signal.
Stucco has a metal mesh that absorbs signal.
Avoid transmitting antennas: (ham radios, emergency dispatch centers, airports, military bases, etc.)
Electrical wires (utilities, cable, etc.)
Vegetation is full of moisture and reduces signal.
It is difficult for RF (radio frequency) signal to travel through a hill.
Projection Alarm
How tall are the time numbers?
The time numbers are 0.75 inches tall.
Power Requirements
This projection alarm is powered by a 5 volt AC power adapter
Alternatively, optional 3-AAA alkaline batteries may be used.
12-Hour or 24-Hour time format
Time can display in 12-hour (am, pm) or 24-hour format.
Default is 12-hour time.
Use the
to switch time formats.
Fahrenheit/Celsius
Press and release the SET/°F/°C button to select temperature readings in Fahrenheit or Celsius.
Dashes, HH.H, LL.L or stuck Indoor Temperature
Explanation:
These symbols are error messages indication the indoor sensor is outside of its readable
range. For indoor readings, this is generally a power related issue.
may be overpowered or underpowered. Remove batteries from the projection alarm.
Press any button 20 times. Leave the projection alarm unpowered for 1-2 hours.
Install fresh Alkaline batteries with correct polarity.
If the indoor temperature is still shows dashes, HH.H or LL.L, the projection alarm may need
replacement.
Inaccurate Indoor Temperature Reading
Explanation:
When the indoor temperature is inaccurate, it is often due to the location of the display or
overpowered/under powered batteries. You can test the accuracy at you home.
Side-by-side test:
Bring the outdoor sensor in the house and place it next to the projection alarm for 2
hours.
Compare indoor and outdoor temperature. The temperature should be within 4 degrees to be within
tolerance.
Look for heat sources such as sunlight, door or window frames or reflected heat or cold near the
projection alarm.
Check
