Do you have a question about the Haiyang HD-70 Series and is the answer not in the manual?
Turn power off and shut down power supply immediately during abnormality.
High voltage exists in the instrument. Contact may cause injury or death.
Harmful line voltage present on back side of equipment.
LCD module contains liquid, avoid mechanical shock to display.
Overheating may cause malfunction or damage.
Mount unit on a rigid frame or base to prevent working loose.
Use standard accessory pack materials for system strength.
Take care not to get water on unit to prevent damage/shock.
Operate system within specified power voltage.
High voltage retained in capacitors after power off.
Ensure main and system power switches are off.
Take care not to damage ESDs by static electricity.
Incorrect transducer can damage the transmitter circuit.
Do not power on if transducer is disconnected or not in water.
Consult authorized personnel for transducer installation.
Turn AIS target display on/off and set display radius.
Display and sort a list of current AIS vessels.
Configure CPA/TCPA alarms and their radius/limit values.
Set arrival alarms, arrival radius, XTE alarms, and XTE radius.
Configure anchor alarms and anchor radius settings.
Set depth and temperature alarms.
Configure fish-school alarms, depth, range, interval, and color level.
Check program, OS, and map versions for maintenance.
Perform setup or factory initialization, select language.
Select location for easy viewing, protection, and access.
Temporarily install bracket and secure the unit, checking suitability.
Mount unit, connect power cables (black to neg, white to fused pos).
Connect power cable and sensor cables to the Fishfinder unit.
Best practices for mounting transom transducers on various boat types.
Cleaning and applying antifouling paint to transducers.
Install in location free of bubbles and disturbed water flow.
Using fairing blocks for hulls with dead-rise greater than 5 degrees.
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