OSEE VAC6840N, Руководство пользователя

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VAC6840N Video & Audio 2X1 Switcher Operating Manual
Specifications are subject to change without notice. — 9 —
3.3 Description of LED Indicator
Tab.3-2
Description of LED Indicator
LED Indicator Color Description
POWER Green On: Power is supplied.
BY PASS Green
On: work in BYPASS mode (bypass when power-down).
Off: Not work in BYPASS mode.
AUTO Green
On: work in AUTO mode.
Off: Not work in AUTO mode.
OUT1 Green
On: choose the channel 1 input signal as output
Off: not choose the channel 1 input signal as output
OUT2 Green
On: choose the channel 2 input signal as output
Off: not choose the channel 2 input signal as output
1ER Red
On: the channel 1 input signal does not work in normal;
Off: the channel 1 input signal works in normal.
2ER Red
On: the channel 2 input signal does not work in normal;
Off: the channel 2 input signal works in normal.
Chapter 4 Specifications
4.1 Analog Composite Video
Table 4-1
Analog Composite Video Specifications
Item Parameter
Standards
NTSC, PAL-B
Connector
BNC （ IEC 169-8 ）
Impedance
75 Ω
Return Loss
>40 dB to 5.75 MHz
Quantization
12 bits
Frequency response
±0.15 dB to 5.5 MHz
Differential Gain
<1%
（
typical value<0.5%
）
Differential Phase
<1° （ typical value <0.5° ）
DC offset
±5 mV
Chrominance Luminance Delay
<1.5 ns
Chrominance Luminance Gain
±1.5%
Output Impedance
75 Ω
K factor
<0.5%
Line Time Distortion
0.1%
C/N
>60 dB