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WARNING:
The supplied power cord is used for 120 V only. Never connect to any outlet or power supply having a
different voltage or frequency.
Notice about construction of the surveillance system using this unit
• This unit can be controlled by the external devices via RS-232C terminal or LAN terminal. This unit can also be used to
control external devices via external terminal, RS-422/485, or RS-232C terminal. Owning to these functions, this unit
flexibly applies to the high grade security system, but the whole surveillance system may be affected by the malfunction
of this unit or the external devices depending on the setting contents of this unit, or the connection or combination
between the external devices.
• When configuring a surveillance system using this unit, it is recommended to confirm first that this unit operates normally
with the other devices connected.
• It is recommended to copy or back up the important recorded contents.
• Damages rising out of any operational error of the surveillance system or loss of the recorded data or any other damages
because of any user malfunction of this unit are not covered.
There may be cases when the unit's built-in MOTION DETECTION function does not operate properly due to external
condition or video input signal or other factors.
The user will not be indemnified for problems (e.g., recording failure or playback failure) that occur with either the unit or a
connected device during operation. It is recommended that backups of important recordings are made regularly as a
precaution against possible breakdowns and accidents.
Recordable time and product warranty
Continuous recordable time and the estimated time displayed on the menu screen is the continuous recordable time when
operating this unit and is not the product warranty period. Furthermore, it is not the period that guarantees life time at the
unit.
• This unit uses a built-in hard disk, which is a precision device. Please handle this unit with sufficient care.
• Do not subject this unit to vibrations or shocks. This may cause trouble specially when the power of the unit is turned on
or when the hard disk is being accessed, and sufficient care is required.
• Do not disconnect the power plug while the power of the unit is turned on or while recording or playing.
• For early detection of faults, we recommend that you request inspection once a year.
The hard disk and cooling fan are not permanent items and will need replacing with time. When operated in an ambient
temperature of 25 °C, it is recommended that both of the hard disk and fan are replaced every 30,000 hours.
(This figure is only a guide, and should not be taken as a guaranteed lifespan of the products. Use the <Elapsed Operating
Time> (System Menu
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Service Info) as a guide to perform checkups.)
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