JVC TK-C1460B instruction manual Vp-p, 75 Ω, TK-C1481BEG, 835 ˝ Accessory

White spot compensation
CCDs have the general characteristic that white spots appear on the screen when the CCD is
operated at high temperatures or when they are used with a slow shutter speed.
This unit has a built-in white spot compensation function to reduce these white spots.
(The number and the size of the white spots changes according to the use temperature, the
shutter speed, etc. Furthermore, there is a limit on the number of white spots that can be
compensated.)
Operation method	1.	Attach a lens cap or similar.
MA I NT ENA NC E
CCD S P OT . .		• Prevent entry of light to the CCD.
		• Switch on the camera power supply
		and wait for at least 30 minutes.

OTHERS
Specifications
Image pickup device:	1/2 type IT CCD, 752 (H) ⋅ 582 (V)
Synchronization method:	Internal, Line lock, Full Genlock
Scanning frequency:	(H) 15.625 kHz, (V) 50 Hz
Resolution:	480 TV lines (H)
VIDEO OUT:	Composite video signal 1 V (p-p), 75 Ω (BNC)
Y/C OUT:	Y: 1 V(p–p), 75 Ω
Video S/N ratio:	C: 0.3 V(p–p), 75 Ω
	50 dB (AGC OFF)
Minimum required illumination:	0.6 lx (50 %, F1.2, AGC 20 dB)
	0.3 lx (50 %, F1.2, AGC 20 dB, LOLUX MODE)
	0.3 lx (25 %, F1.2, AGC 20 dB)
	0.15 lx (25 %, F1.2, AGC 20 dB, LOLUX MODE)
	0.019 lx (50 %, F1.2, AGC 20 dB, SENSE UP ⋅ 32)

C CD S P OT

C ANCE L

EX E CUTE

h e a t	u p 3 0 m i n	i n	a d v a n c e
n e e d	L e n s – c a p	t o	e x e c u t e

S P OT SCAN OK

2.	Display the MAINTENANCE
	screen.
	• Confirm that the cursor (>) is at the item
	CCD SPOT.
3.	Press the SET button.
	• The CCD SPOT screen will be dis-
	played.
	• If you do not want to perform white spot
	compensation, move the cursor (>) to
	CANCEL and press the SET button.
4.	Move the cursor (>) to EXECUTE.
5.	Press the SET button.
	• White spot compensation will operate.
	(“SPOT SCAN OPERATION” is dis-
	played during operation.)
6.	Confirm the display.
	• When white spot compensation has
	been performed correctly, “SPOT
	SCAN OK” is displayed for about 5
	seconds, and then return is made to
	the CCD SPOT screen.
	• When “SPOT SCAN ERROR: HIGH
	LIGHT” is displayed, check that no light
	enters into the CCD.

		0.01 lx (50 %, F1.2, AGC 20 dB, LOLUX MODE, SENSE UP ⋅ 32)
Communication:		RS-422A or RS-485 (switchable)
		9600 bit/s
Lens mount:		C/CS mount				—
Power supply and power consumption: TK-C1480BE				AC 24 V ` 50 Hz/60 Hz, DC 12 V			500 mA
						---
		TK-C1481BEG		AC220 V to AC240 V `, 50 Hz/60 Hz, 75 mA
Ambient temperature:		–10 °C to 50 °C (operation)
		0 °C to 40 °C (recommended)
Mass:		TK-C1480BE			600 ˝
		TK-C1481BEG			835 ˝
Accessory:		Instructions			2 Ferrite core		1
		4P plug			1
DIMENSIONS (Unit: mm)
70					149
39	U1-32				138
		55	63
35
42
71
					1/4-20UNC

7.	Press the MENU button.
	• Return to the MENU screen will be
	made.

41 Design and specifications are subject to change without notice.

E-38 E-39