Panasonic WJ-ND400 Operating Instructions Manual

Also see for WJND400 - NETWORK DISK RECORDER: Brochure Reference Product catalog Operating instructions Manual

Contents

9z Refer all work related to the installation of this product toqualified service personnel or system installers.z Do not operate the unit beyond their its specifiedtemperature, humidity, or power source ratings.Use the unit at temperatures between +5 ºC - +45 ºC {41 ºF - 113ºF} and where the humidity is between 5 % - 90 %.The input power source for NTSC model is 120 V AC 60 Hz, forPAL model is 220 V - 240 V AC 50 Hz.Performance and lifetime of hard disk drives are easily affectedby heat (used at high temperature) characteristically. It isrecommended to use this unit at temperatures between +20 ºC -+30 ºC {68 ºF - 86 ºF}.z POWER switchThe POWER switch is located on the rear of the unit. Eventhough the POWER switch is set to "OFF", the power supply willnot be cut. To cut the power supply, unplug the power plug of theunit from the AC outlet. When using the power supply controlunit, turn off the power of the power supply control unit.z Built-in backup batteryBefore the first use, charge the built-in backup battery (lithiumbattery) by turning on the power for 48 hours or more.If it is not charged enough, in a case where the power goesdown, the internal clock may keep bad time or the operativecondition may be different to that before the electric powerfailure.The built-in battery life is approximately 5 years as an indicationof replacement. (This is just an indication of replacement. We arenot providing any guarantee of the built-in battery lifetime.Replacement cost of the built-in battery is not covered by thewarranty even if it needs to be done within the warranty period.)Ask the dealer where you purchased the unit when replacementof the battery is required.z Hard disk drivesHard disk drives are vulnerable to vibration. Handle them withcare.It is possible to damage them if they are moved while theirmotors are still running. Do not move them just after turning theirpower on or off (for around 30 seconds).⋅ A lifetime of hard disk drives is limited by use.It is recommended to replace them after around 18 000 hoursof operation to prevent data loss from disk failures.Write error may occur frequently after around 20 000 hours ofoperation and the head and motor deterioration may occurand will reach their lifetime after 30 000 hours of operationwhen they have been used at the recommended ambienttemperature (approx. +25 ºC {77 ºF}).When hard disk drive trouble occurs, replace it immediately.Consult your dealer for servicing.⋅ Hard disk drives are precise devices. Do not leave themwhere the temperature is high and humid.⋅ Do not touch the connector of the removable hard disk byhand directly to protect the hard disk drive from staticelectricity.⋅ Take notice of the following for the removed hard disks.⋅ Do not leave them where the temperature is high andhumid. It may cause condensation.⋅ Place them where the temperature is between 0 ºC {32 ºF}and 30 ºC {86 ºF} and humidity is between 20 - 40 % whenthey are not used for a long time (six months or more).Consult your dealer for further information.⋅ Operate them for around an hour at least once every sixmonths when they are not used for a long time.⋅ When placing them stacked, do not stack more than fourdisks.z Heat dissipationRefer to the following to prevent fire and malfunction of the unit.⋅ Do not block the front and rear for smooth ventilation.⋅ Keep the unit 5 cm {1.97 "} or more away from the both sidesand the upper side.⋅ Keep clean the ventilation openings of the unit to preventoverheating.⋅ A lifetime of the cooling fan is limited by use.z GroundingConfirm that the wire is connected from the SIGNALGNDterminal to earth ground.A grounding connection must be made before connecting thepower plug of the unit to the main power supply.When disconnecting the grounding wire, make sure that thepower plug of the unit is disconnected from the main powersupply.z Avoid placing the unit near noise sourcesIf the unit is placed near noise sources such as fluorescentlamps, noises may be produced. In this case, rewire avoiding thenoise sources, or move the unit to the place far from them.z Places to avoidDo not place the unit in the following places:⋅ Places exposed to direct sunlight⋅ Places subject to having strong vibration or impact⋅ Near magnetic field sources such as a television or speakers⋅ Place where condensation forms easily, where temperaturechanges greatly, humid places⋅ Steamy and oily places such as kitchens⋅ Places which are not levelz CleaningTurn the power off when cleaning the unit. Otherwise it maycause injuries.Do not use strong or abrasive detergents when cleaning the unitbody.Use a dry cloth to clean the unit when it is dirty.When the dirt is hard to remove, use a mild detergent and wipegently.Precautions