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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 E NA N C E | ||
C CD 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: 0.7 V |
| C: 0.3 V |
Video S/N ratio: | 50 dB (AGC OFF) |
Minimum required illumination: | 0.6 lx (50 %, F1.2, AGC 20 dB) |
0.3lx (50 %, F1.2, AGC 20 dB, LOLUX MODE)
0.3lx (25 %, F1.2, AGC 20 dB)
0.15lx (25 %, F1.2, AGC 20 dB, LOLUX MODE)
0.02lx (50 %, F1.2, AGC 20 dB, B&W MODE)
C CD | S P OT |
C ANCE L E X E CUTE
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 |
| 0.01 lx (50 %, F1.2, AGC 20 dB, LOLUX MODE, B&W MODE) |
| 0.019 lx (50 %, F1.2, AGC 20 dB, SENSE UP ⋅ 32) |
| 0.01 lx (50 %, F1.2, AGC 20 dB, LOLUX MODE, SENSE UP ⋅ 32) |
Communication: | |
| 9600 bit/s |
Lens mount: | C/CS mount |
Power supply and power consumption: | — |
AC 24 V ` 50 Hz/60 Hz, DC 12 V | |
Ambient temperature: | |
| 0 °C to 40 °C (recommended) |
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
| 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. |
7. | Press the MENU button. |
| • Return to the MENU screen will be |
| made. |
Mass: |
| 640 ˝ |
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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 |
| 138 |
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| 55 | 63 |
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35 |
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42 |
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71 |
| 41 | 1/4 – 20UNC |
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Design and specifications are subject to change without notice.