Aaton XTRprod B&W Video Assist Conversion to Color Flickerfree

The old XC-77 B&W video assist electronics is replaced by a new set which provides the color flickerfree video image in PAL or NTSC video formats. The conversion to a flickerfree color video assist is designed to produce a flickerfree monitor image for camera speeds above 10 fps. We offer two versions of the conversion: version 1 - timecode can be displayed on the monitor screen and version 2- without timecode.

Specifications:

• Signal system : NTSC or PAL standard
• Sony 1/2" HYPER HAD CCD image sensor
• Picture elements- NTSC: 768(H) x 494(V), PAL: 752(H) x 582(V)
• Scanning system: NTSC - 525 lines, PAL - 625 lines, 2:1 interlace
• Sync system: Internal
• Horizontal resolution: 470 TV lines
• Flicker reduction: 100%.
• Min. illumination: 1lux, F1.2 AGC:ON
• White balance: ATW(auto), 3200K, 5600K
• Gain control: 0dB, 4dB and AGC
• Timecode can be displayed on a monitor screen (version 1).
• Video output: composite 1V p-p, 75ohm(BNC connector) and S-video
• Power requirement: 12V from the camera's battery
• Power consumption: version 1- 3.8W (320mA), version 2 - 2.7W (220mA)
• Operating temperature -5 to +113°F (-20 to +45°C)
• Body: Original XC-77 housing with modified rear switch section

Power on/off switch (2 position): same as in the B&W unit.

The flicker reduction switch (3 position):
- When set to the lower position, flickerfree mode FF is activated and the green LED is lit. This mode is designed to produce a flickerfree image for camera speeds above 10fps.
- When set to the middle position, flicker reduction is off and the green LED is not lit. The video assist is in normal mode.
- NTSC - When set to the upper position, flickerfree mode FF30 is activated and the green LED is lit. This mode provides a 100% flickerfree image when operating at a camera speed of 29.97 fps or 30 fps. In this mode, flickering is reduced by 70% for camera speeds other than 29.97 fps and 30 fps.
PAL - When set to the upper position, flickerfree mode FF24/25 is activated and the green LED is lit. This mode provides a 100% flickerfree image when operating at a camera speed of 24 fps or 25 fps.
Flickerfree modes FF , FF30 (NTSC) and FF24/25 (PAL) will only be active when the camera is running. Once the camera is stopped, normal mode will resume.

TimeCode switch (3 position):
- Lower: timecode is displayed at the bottom of the monitor screen.
- Middle: timecode is not displayed on the monitor screen.
- Upper: timecode is displayed at the top of the monitor screen.

In order to display timecode, the timecode has to be initialized in the Aaton camera (e.g. by Origin C ). The timecode is displayed on the monitor screen in the following format: P followed by a 6 digit production number, date: month/day/year (or day/month/year in the PAL version), time: hours:minutes:seconds. If the camera is running, the letter R will be displayed after the production number.

White balance switch (3 position):
- Lower: 5600K (fixed) - for outdoor shooting on sunny days.
- Middle: 3200K (fixed) - for indoor shooting under incandescent light.
- Upper: Auto White Balance is ON. The white balance is adjusted according to the color temperature transition of the subject. This mode is suitable for shooting with variable lighting.

Gain control switch (3 position):
- Lower: gain control is set to 0dB.
- Middle: gain control is set to 4dB.
- Upper: auto gain control (AGC) is ON.

CCD iris switch (3 position):
- Lower: CCD iris is OFF. Use this setting under low light conditions.
- Middle: CCD iris 1 is ON. Use this setting under moderate light conditions.
- Upper: CCD iris 2 is ON. Use this setting under intense light conditions (outdoors on a sunny day).

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