Extron electronics ISM 824, Руководство пользователя

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Introduction, cont’d
ISM 824 Integration Scaling Multiswitcher • Introduction
1-6
Audio gain/attenuation — Users can set the input level of audio gain or
attenuation (-18 dB to +24 dB) via the RS-232/RS-422 or Ethernet link, or from
the front panel. Individual input audio levels can be adjusted so there are no
noticeable volume differences between sources.
LAN port — Supports connection to an Ethernet LAN so that the switcher can be
accessed and operated anywhere in the world from a computer running a
standard Internet browser.
Quad-standard video decoder — The switcher uses a digital comb filter that can
decode NTSC 3.58, NTSC 4.43, PAL, and SECAM signals.
Triple-Action Switching
™
(RGB delay) — RGB delay mutes the R, G, and B video
planes to blank the screen while the scaler locks to the new sync, so that
a noise-filled scramble is not shown on the monitor during the transition.
The time delay between the RGB and sync signals is user adjustable up to
5 seconds under front panel, SIS, and program control.
Rack mountable — The 3U high switcher can be mounted in any conventional 19"
wide rack.
Optional Output Card Features
The series of optional output cards have the following features available.
Universal Scaler card (ISM RGB)
Auto Image
™
— Only for scaled outputs. The auto imaging feature automatically
sizes and centers the selected input to fill the screen. Auto imaging can be
selected for individual outputs as desired.
Test patterns — This card features built-in test patterns to aid in monitor or
projector setup and evaluation. The test patterns available are:
• 8 color split • 4:3/16:9 hatch • 4x4 crosshatch
• gray • ramp • alternating pixels
• crop • aspect ratios; 1.33, 1.78, 1.85, and 2.35.
Blue mode — The switcher can be set to output the sync and blue video signal only,
to help installers calibrate the monitor or projector.
Film mode — Advanced film mode processing techniques maximize image detail
and sharpness for NTSC and PAL sources that originated from film.
Auto memories — Only for scaled outputs. The inputs support 16 auto-recall
memories each, based on the incoming frequency. Information on sizing,
centering, detail, contrast, and brightness is saved.
Aspect ratios conversion — Any input can be adjusted horizontally and vertically
to meet a specific aspect ratio requirement.
Input presets — Only for scaled outputs. The ISM 824 has memory for up to 128
presets that allow the user to use SIS commands to save and recall input type
and sampling, color, tint, contrast, brightness, centering, sizing, and filtering
information.
User presets — Only for scaled outputs. Three presets for each input save different
settings for color, tint, contrast, brightness, detail, size, centering, and input
configurations.
Freeze mode — Only for scaled outputs. Locks the output display to the selected
image. Once the display is frozen, you can remove an input without losing
the output image. This feature lets the ISM function as a still store.
RGB pass-through — RGB signals can be passed unprocessed when this feature is
set to on.