Toshiba IK-643A User Manual download pdf (Page 5)

2. CONNECTIONS AND OPERATIONS

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Notes on connecting -----------------------------------------------------------------------------------------------------

• Power plugs of connected equipment must be disconnected before installations.

• A 75-ohm coaxial cable (3C-2V or 5C-2V) is required for standard connection.

• For details of wiring and operation of equipment to be connected, refer to their operation manuals.

• Lenses, coaxial cables for video signals and the power cord are not supplied with the camera.

1. Basic connection

Single system configuration

MONITOR TV

24V AC

AC 120V

OPOWER CORD

(twisted pair line)

(*)Power cord: minimum wire size

of 18 AWG is recommended.

24V AC UL Listed Class 2 power supply

Do not overload power supply —

Since this camera uses 24V AC UL Listed

Class 2 power supply, it should be connected to

a power supply that allows for at least 5w

consumption.

Line - Lock control

Matching the vertical synchronization with the power frequency is called the Line-Lock.

When two or more cameras are switched by the video switcher for viewing by a monitor TV, the vertical

sync, phase can be locked with the power frequency, and a stable vertical sync, is obtained without

being disturbed at the time of switching.

MONITOR TV

Cautions:

• The camera is synchronized to the power frequency of 60 ± 1 Hz covering a normal fluctuation of the

power frequency. However, the camera may not cover a large fluctuation caused from the power

generated by an engine generator, etc.

• It takes about 10 seconds or more until a stable synchronization is obtained after the power is turned

on. This is normal, because several seconds are required to stabiiize the camera against power

noise.

• Refer to " 7.LINE-LOCK PHASE “ for adjustment.

2. Operation

(1) Mount a lens on the camera and connect equipment. Applicable lenses are specified in Section 3

" LENS ".

(2) Adjust the lens diaphragm and focus for optimum image.

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Toshiba IK-643A User Manual Page 5