White spot compensation |
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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 | ||
(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.) |
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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 | |
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| and wait for at least 30 minutes. |
OTHERS |
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Specifications |
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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 |
Y/C OUT: | Y: 1 |
Video S/N ratio: | C: 0.3 |
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. |
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| 0.01 lx (50 %, F1.2, AGC 20 dB, LOLUX MODE, SENSE UP ⋅ 32) | ||||||
Communication: |
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| 9600 bit/s |
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Lens mount: |
| C/CS mount |
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| — |
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Power supply and power consumption: | AC 24 V ` 50 Hz/60 Hz, DC 12 V | 500 mA | ||||||
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| AC220 V to AC240 V `, 50 Hz/60 Hz, 75 mA | ||||||
Ambient temperature: |
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| 0 °C to 40 °C (recommended) |
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Mass: |
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| 600 ˝ |
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| 835 ˝ |
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Accessory: |
| Instructions | 2 Ferrite core | 1 | ||||
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| 4P plug | 1 |
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DIMENSIONS (Unit: mm) |
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70 |
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| 149 |
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39 |
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| 138 |
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| 55 | 63 |
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35 |
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42 |
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71 |
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7. | Press the MENU button. |
| • Return to the MENU screen will be |
| made. |
41 Design and specifications are subject to change without notice.
