Ambient Weather WS-07 Manuel de l'utilisateur - Page 9
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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.
The following is a table of reception loss vs. the transmission medium. Each "wall" or obstruction
decreases the transmission range by the factor shown below.
Medium
Glass (untreated)
Plastics
Wood
Brick
Concrete
Metal
5.6 Adjustment or Calibration
Note: The calibrated value can only be adjusted on the console. The remote sensor(s) always
displays the un-calibrated or measured value.
Note: The measured humidity range is between 10 and 99%. Humidity cannot be accurately
measured outside of this range. Thus, the humidity cannot be calibrated below 10% or above 99%.
The purpose of calibration is to fine tune or correct for any sensor error associated with the devices
margin of error. The measurement can be adjusted from the console to calibrate to a known source.
Calibration is only useful if you have a known calibrated source you can compare it against, and is
optional. This section discusses practices, procedures and sources for sensor calibration to reduce
manufacturing and degradation errors. Do not compare your readings obtained from sources such as
the internet, radio, television or newspapers. They are in a different location and typically update once
per hour.
The purpose of your weather station is to measure conditions of your surroundings, which vary
significantly from location to location.
5.6.1 Humidity Calibration
Prior to entering the calibration mode, press the CHANNEL/+ button to select the humidity sensor
you wish to adjust.
To enter the humidity calibration mode, press and hold the ADJUST and MIN/MAX buttons at the
same time for 5 seconds and the humidity value will begin flashing. Press the CHANNEL/+ button to
increase the humidity and the MIN/MAX/- button to decrease the humidity reading in 1% increments.
To rapidly increase (or decrease) the humidity reading, press and hold the CHANNEL/+ or
MIN/MAX/- button.
To return the humidity to the actual or uncalibrated measurement, press the ADJUST button.
Version 1.0
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RF Signal Strength Reduction
5-15%
10-15%
10-40%
10-40%
40-80%
90-100%
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