Speco VM-901B, Руководство по обслуживанию

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1.2 Functional Specification
The standard conditions for verifying the following specification are as below
：
•
•
•
•
•
Temperature
：
25
±
5
℃
Magnetic field
：
No additional magnetic field in near side
AC line Input
：
100 ~ 240 V
AC
±
10%, 50/60
±
3Hz
Warm-up Time
：
30 minutes min. after power on and signal applied
Ambient light
：
400 to 600 lux.
1.2.1 Display Quality
‧
Display area (monoscope pattern)
：
full scan
‧
Video Amplifier Performance
‧
Video Bandwidth
：
8 MHz
‧
Light output (brightness and contrast at maximum)
‧
At block pattern
：
100 FL minimum
‧
At full white pattern
：
50 FL minimum
‧
Contrast adjustment range
：
Over 12 dB
‧
Linearity (cross pattern)
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