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Holman WS7880 Instruction Manual page 5

Wireless soil moisture monitor & probe

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4.0 Displaying Different Channels
If you have registered more than one remote sensor, press the CH button on the
monitor to select the remote sensor channel you want to display permanently.
To display each channel for 55 to 10 seconds on the monitor, press the CH button
until it is displayed on the LCD. The monitor will auto-scroll through all the
channels that are registered.
5.0 °C/°F Switchable
Press the °C/°F button to toggle between Celsius and Fahrenheit.
6.0 Mounting the Monitor
The monitor can be placed on any flat surface.
IMPORTANT: do not place the monitor in direct sunlight or any other sources of
heat or air conditioning to ensure accurate temperature readings.
6.1 Securing the Remote Sensor Gently push the ground spike into the soil at your
desired location. If you feel strong resistance, try another spot as you may
have hit a stone or root. Recommended depths from the surface of the soil
to the tip of the spike are 3" for an average lawn and 4" for the average garden.
Root depth can vary significantly with different vegetables, shrubbery or
plants. Mature plants might have a deeper root system and younger plants
a shallower root system.
NOTE: If possible do not place the remote sensor in direct sunlight. Exposure to
direct sunlight will affect the outdoor temperature reading.
IMPORTANT: during periods of snow, ice or extremely cold weather, it is recom-
mended to bring the remote sensor indoors.
7.0 Soil Moisture Level
The unit will indicate the moisture level of the soil at the tip of the ground spike.
The level is displayed in a bar chart on the LCD.
Channels, °C/°F & Monitor
4

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