Rose-electronics ClassView Bedienungsanleitung PDF herunterladen (Seite 21)

CLASSVIEW INSTALLATION AND OPERATINS MANUAL

Video distance capability

The limitation on driving distance is usually due to the quality of the video.

The table below shows the distances, resolution, and quality of video that

can be expected. The table uses a letter which shows the cable type and a

number which refers to the quality of the video, as described below. This

table applies to the base unit without chaining. There will be some

degradation when ClassViews are chained together. Rose Electronics does

not support systems where the video quality is 1 or 2. There are further

capabilities not listed here in order to send the higher resolution video longer

distances. Please contact Rose Electronics technical support for more

details.

N – Normal cabling

C – Coax cabling

4 – Perfect or near perfect; unable to easily detect defects in screen

3 – Very acceptable; images clear, small reflections around lettering

depending upon color; if you examine the screen closely you will

find defects

2- Acceptable; slightly fuzzy images; readable text, acceptable for casual

use, but not for prolonged viewing as this will cause eye fatigue

1- Unusable; images smeared, text not easily readable

10'

20'

30'

50'

75'

100'

125'

150'

200'

640X480

60 Hz refresh

640x480

72-75Hz refresh

800x600

non-interlaced

1024x768

interlaced

1024x768

non-interlaced

1280x1024

interlaced

1280x1024

non-interlaced

Table 5. Video distance capability

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 35 36

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