Toa WD-4800 Handleiding

Toa Niet gecategoriseerd WD-4800

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2. SAFETY PRECAUTIONS

• Be sure to read the instructions in this section carefully before use.

• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as

very important precautions are included.

• We also recommend you keep this instruction manual handy for future reference.

1. IMPORTANT SAFETY INSTRUCTIONS

• Read these instructions.

• Keep these instructions.

• Heed all warnings.

• Follow all instructions.

• Do not use this apparatus near water.

• Clean only with dry cloth.

• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)

that produce heat.

• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider

than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are

provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the

obsolete outlet.

• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point

where they exit from the apparatus.

• Only use attachments/accessories specified by the manufacturer.

• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with

the apparatus. When a cart is used, use caution when moving the cart/apparatus combination

to avoid injury from tip-over.

• Unplug this apparatus during lightning storms or when unused for long periods of time.

• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any

way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the

apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

• Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as doing so may

result in fire or electric shock.

Thank you for purchasing TOA's Antenna Distributor.

Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.

WD-4800ANTENNA DISTRIBUTOR

INSTRUCTION MANUAL

Indicates a potentially hazardous situation which, if mishandled, could

result in death or serious personal injury.

WARNING

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTI ON

TO REDUCE THE RISK OF ELECTRICAL

SHOCK, DO NOT REMOVE COVER. NO

USER SERVICEABLE PARTS INSIDE.

REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.

The lighting ash with arrowhead within a

triangle is intended to tell the user that

parts inside the product are a risk of

electric shock to persons.

The exclamation point within a triangle is

intended to tell the user that important

operating and servicing instructions are

in the papers with the appilance.

• Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified may result in

fire or electric shock.

• Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power cord in close

proximity to heaters, and never place heavy objects -- including the unit itself -- on the power cord, as doing so may

result in fire or electric shock.

• Avoid installing or mounting the unit in unstable locations, such as on a rickety table or a slanted surface. Doing so may

result in the unit falling down and causing personal injury and/or property damage.

• To prevent lightning strikes, install the unit at least five meters away from a lightning rod, and yet within the protective

range (angle of 45°) of the lightning conductor. Lightning strikes may cause a fire, electric shock or personal injury.

• Since the unit is designed for in-door use, do not install it outdoors. If installed outdoors, the aging of parts causes the

unit to fall off, resulting in personal injury. Also, when it gets wet with rain, there is a danger of electric shock.

• Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug

from the AC outlet and contact your nearest TOA dealer. Make no further attempt to operate the unit in this condition as

this may cause fire or electric shock.

· If you detect smoke or a strange smell coming from the unit.

· If water or any metallic object gets into the unit

· If the unit falls, or the unit case breaks

· If the power supply cord is damaged (exposure of the core, disconnection, etc.)

•

To prevent a fire or electric shock, never open nor remove

the unit case to modify the unit. Refer all servicing to your

nearest TOA dealer.

• Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they accidentally spill into

the unit, this may cause a fire or electric shock.

• Do not touch a plug or antenna during thunder and lightning, as this may result in electric shock.

3. GENERAL DESCRIPTION

The TOA Wireless Antenna Distributor WD-4800 is designed to be used in conjunction with a VHF/UHF band system for

sound reinforcement applications. It comes with two channels, in which two input signals are mixed and distributed to four

outputs. The WD-4800 also has four DC power distribution outputs.

4. HANDLING PRECAUTIONS

• When installing, keep the unit, receiving antennas, and antenna cables as far away as possible from fluorescent lamps,

digital equipment, personal computers, and other equipment which generate high frequency noise.

• Avoid installing the receiving antennas in close proximity to metal objects, such as iron frames and lockers. Keep the

antennas at least 30 cm away from the wall surface.

• Keep two antennas at least 3 m away from each other to obtain the optimum diversity effect, although this distance

differs depending on the construction and size of the room where they are installed.

• When cleaning the case, use a dry cloth. Never use benzine, thinner or other volatile liquids.

• Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock.

• When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord itself. Operating

the unit with a damaged power supply cord may cause a fire or electric shock.

• The socket outlet shall be installed near the equipment and shall be easily accessible.

• When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit with the power cord

connected to the outlet may cause damage to the power cord, resulting in fire or electric shock. When removing the

power cord, be sure to hold its plug to pull.

• Avoid installing the unit in humid or dusty locations, in locations exposed to the direct sunlight, near the heaters, or in

locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock.

• Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and/or

property damage. In addition, the object itself may fall off and cause injury and/or damage.

• If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result. Clean it periodically. In addition,

insert the plug in the wall outlet securely.

• Switch off the power, and unplug the power supply plug from the AC outlet for safety purposes when cleaning or leaving

the unit unused for 10 days or more. A fire or electric shock may result.

Indicates a potentially hazardous situation which, if mishandled, could

result in moderate or minor personal injury, and/or property damage.

CAUTION

6. CONNECTION

• Up to four WT-4800 tuners can be connected to the WD-4800 using one or two receiving antennas.

• The length of the antenna cables between the WD-4800 and the WT-4800 must not exceed 1 m.

WD-4800

YW-4500 YW-4500 YW-4500 YW-4500

WT-4800

ANT B DC IN

REMOTE

(UNBALANCED)

IN OUT INOUT

12–18V 250DmA –20dBV

–20dBV

LINE MIC HOT

COLD

LEVEL

–50dBV

(UNBALANCED)

(BALANCED)

OUTPUT (600Ω) MIX IN (10kΩ) ANT A

WT-4800

ANT B DC IN

REMOTE

(UNBALANCED)

IN OUT INOUT

12–18V 250DmA –20dBV

–20dBV

LINE MIC HOT

COLD

LEVEL

–50dBV

(UNBALANCED)

(BALANCED)

OUTPUT (600Ω) MIX IN (10kΩ) ANT A

ANTENNA DISTRIBUTOR WD-4800

VOLTAGE SELECT

120V

13V 250 mA

TUNER POWER SUPPLY ANT INPUT B

(75 )ΩANT INPUT A

(75 )Ω

ENGINEERED IN JAPAN ASSEMBLED IN TAIWAN

ANT OUTPUT B ANT OUTPUT A (75 )Ω(75 )Ω

230V

Connect to the front antenna inputs

ANTENNA DISTRIBUTOR WD-4800

VOLTAGE SELECT

120V

13V 250 mA

TUNER POWER SUPPLY ANT INPUT B

(75 )ΩANT INPUT A

(75 )Ω

ENGINEERED IN JAPAN ASSEMBLED IN TAIWAN

ANT OUTPUT B ANT OUTPUT A (75 )Ω(75 )Ω

230V

567 8 9 10 11

5. AC inlet

6. AC voltage selector

Selects the desired voltage.

7. DC power distribution output

Distributes the DC power.

8. Rear antenna input B

75 Ω, BNC. Delivers 9 V DC/25 mA for supplying power

to an external antenna.

9. Antenna distribution output B

75 Ω, BNC.

10. Antenna distribution output A

75 Ω, BNC.

11. Rear antenna input A

75 Ω, BNC. Delivers 9 V DC/25 mA for supplying power

to an external antenna.

[Rear]

5. NOMENCLATURE AND FUNCTIONS

[Front]

ANTENNA DISTRIBUTOR WD-4800

POWER

OFF

ANTENNA INPUT (75 Ω)

43 1

1. Power switch

Press this switch to switch on the power. Press this

switch again to switch off the power.

2. Power lamp

Lights when the power is switched on.

3. Front antenna input A

75 Ω, BNC. Delivers 9 V DC/25 mA for supplying

power to an external antenna.

4. Front antenna input B

75 Ω, BNC. Delivers 9 V DC/25 mA for supplying

power to an external antenna.

Product specificaties

Merk:	Toa
Categorie:	Niet gecategoriseerd
Model:	WD-4800
Kleur van het product:	Zwart
Gewicht:	3550 g
Breedte:	420 mm
Diepte:	305.5 mm
Hoogte:	44 mm
Materiaal behuizing:	Aluminium, Steel
Output current:	250 mA
Spanning:	13 V
Input type:	RCA
AC-ingangsspanning:	120-230 V
Bedrijfstemperatuur (T-T):	-10 - 50 °C
Synchronisatie ingangsimpedantie:	75 Ohm
Geslacht connector:	Vrouwelijk
Aantal outputs:	4 uitgang(en)
Winst:	8 dB