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BASIC OPERATION:
Switching the Readings from English to Metric
1. Remove the battery holder as per the instructions in the
“Installing the Batteries” section.
2. While looking into the battery compartment, use a small
screwdriver, or other slender object, to reach into the battery
compartment and move the switch to the LEFT for Metric
readings, or to the RIGHT for English readings.
3. Replace the batteries as per the instructions in the “Installing
the Batteries” section.
Obtaining Depth Readings (Depth Reading Mode)
1. Place the sonar sensor side of the device into the water.
Make sure to hold the device perpendicular to the water
surface.
2. Press and Release the activation button.
3. The current water depth will be indicated on the display:
• The depth will continue to update 4 times per
second while the device is left in water that is
between 2.5 and 200 ft deep (.8 and 61 m).
• If the device is unable to obtain an accurate
depth reading or if it is removed from the water
“- - -” will be displayed.
4. The device will turn off automatically after being removed
from the water.
NOTICE:
The device will not obtain readings through air. You CANNOT stand
on the deck of your vessel and obtain readings unless the device is
in direct contact with the water or you use one of the techniques
described within this manual.
Obtaining Fish Readings (Fish Finder Mode)
1. If a fish is detected while in the Depth Reading Mode, a fish
icon will illuminate on the display.
2. A blinking fish icon may represent the presence of a school
of fish moving though the sonar beam.
Obtaining Temperature Readings (Thermometer Mode)
The H22PX has an integrated temperature sensor built into the
sonar sensor housing.
To Obtain Temperature Readings:
1. Activate the Depth Reading Mode.
2. While in Depth Reading Mode, press and release the
activation button.”
3. The display will show the current temperature.
• To obtain air temperature readings, hold the device in your hand and
activate the Thermometer Mode as per the above instructions.
• To obtain water temperature readings, place the Temperature Sensor
into the water and activate the Thermometer Mode.
Switch
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Fish Icon
Temperature
Sensor