Contemporary Research 232-STA Manual del producto - Página 3
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Overview
The Contemporary Research 232-STA is a versatile RS-232 controlled video tuner featuring stereo audio, 125-channel
access in off-air, CATV, HRC, or IRC modes, front-panel operation and feedback, and intelligent control. Fully
programmable, the unit can restore all settings on power-up from non-volatile memory. A list of accessible channels,
called channel rings, can be stored in memory, used for convenient channel up/down control and to control direct
access to unlisted channels. Switchable inputs for NTSC video and stereo audio are included for display of PC graphics,
a character generator information channel, camera or other A/V sources.
The front-panel buttons and alpha-numeric display can be used for general operation and to program basic features
for tuning, RS-232 baud rate and local control. Full setup, control, and feedback is provided by RS-232. Up to nine
232-series tuners can be controlled from a single RS-232 port. In addition, remote tuning ring channel up and down
operation can be accessed through contact closure inputs.
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Interacts with PCs and control systems via RS-232, using simple ASCII-format commands and feedback, up to
9 tuners can be linked to a single RS-232 control port
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Tunes 125 channels in off-air, CATV, HRC, or IRC modes, using true synchronous video detection and
intercarrier SAW filter
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Stores programmable tuning ring in memory to control channel access
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Provides front-panel control for A/V Mute, mode select, and channel up/down, with LED feedback for
Mute, current channel and programming mode
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Accesses tuning ring channel up/down from contact closure inputs
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Restores all operation status after loss of power from data stored in non-volatile memory
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Mutes both audio and video with front-panel LED indicator
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Delivers stereo audio with programmable volume, bass, and treble levels, as well as stereo, mono and SAP
audio modes
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Switches between tuner and external composite stereo A/V input
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Enables and disables front-panel control via RS-232
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Mounts in 19" rack with optional RK1 or RK2 kit for dual side-by-side installation
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Firmware updateable via modem or PC software (available soon)
New Features (Rev 3.3-4.0)
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Shares new processor from 232-STS S-Video Stereo Tuner
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Adds new front-panel (12-14) and RS-232 programming modes (Q2-Q4) to match 232-STS
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Upgradeable firmware, presently updated via modem from factory, software tools available soon for local
update
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Units shipped with new processor start with serial number 223-5009-001, Rev 3.1 or higher
Serial number can be read as follows—xxx (production run) - 5009 (232-STA) – xxx (unit number)
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Request Tune Ring and Channel Label (3.4)
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IC-RC Remote emulation (V3.4)
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Up to 9 units can be controlled from a single RS-232 control port, up to 19.2 Kb (V 3.5)
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Sending a command to Unit#0 (Zero) acts as a global command to all tuners (V4.0)
Contemporary Research
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232-STA Stereo TV Tuner