Digital Video Recorder User’s Manual
5
Chapter 1. Safety Cautions

Symbols displayed for each item

• Before installation
- Verify the supplied voltage (AC100V~AC240V) before connecting the power supply.
- Make sure the power supply is o before installation.
- Do not install in a very humid environment. Doing so may cause an electric shock or re.
- Make sure ground line is connected to reduce electric shock risk.
• During operation
- Do not open the product cover except qualied personnel or system installer. Opening the product cover may
cause an electric shock.
- Do not plug multiple appliances into one power outlet. Doing so may cause re.
- Do not place dishes containing water or heavy objects on the product. Doing so may cause a malfunction.
- Do not use in areas containing inammable materials like propane gas and gasoline or in areas that generate
dust. Doing so may cause an explosion or re.
- Do not touch the power line with a wet hand. Doing so may cause an electric shock.
- Do not insert a hand into the opening of the DVD. Doing so may cause an injury.
- Make sure conduction materials do not enter the cooling ventilator opening.
- Do not apply excessive force when pulling on the power cord. Damaging the cord may cause an electric shock
or re.
- Random replacement of built-in battery by other types of batteries may cause explosion.
- The battery shall be replaced by the same battery.
- The used batteries shall be disposed carefully because they can cause environment pollutions.
• Dismantling and cleaning
- Do not dismantle, repair or modify the product deliberately. Doing so may cause a damage, an electric shock or
an injury.
- Do not use water, thinner or organic solvent for cleaning the product exterior. Doing so may cause a malfunction
or an electric shock. Use a dry cloth to clean the exterior.
• During installation
- To get adequate ventilation, install the product with at least 15cm of space between the cooling ventilation
opening and a wall.
- To prevent falling, install the product in a at area . Dropping the product may cause an injury or a malfunc-
tion.
- Avoid areas exposed to sun light or heat since they may cause deformation or a malfunction.
- If a camera is installed while the DVR is recording, image in another channel may be disrupted. Start the storage
after installing the camera is recommended.
Warning Refers to information users need to know in order to prevent serious injury or
death.
Caution Provides information users need to know in order to prevent minor injury or
product damage.