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Summary of Contents for QMOD QMOD-HDSC
- Page 1 Product Manual QMOD-HDSC QMOD™ HDTV Modulator December 11, 2013 Control Firmware 5.6 Encoder Firmware 02E7 Contemporary Research QMOD-HDSC...
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Page 2: Table Of Contents
RS-232 Commands ............................13 Control Commands ............................13 Terminal Communication Commands ......................... 13 RS-232 Cable Connections ..........................14 Single QMOD-HD ............................14 QMOD-HD Daisy-Chain ............................ 14 Rack Mounting ..............................15 RK2 Dual Rack Kit with Tie Bar Mounting ......................15 RK1 Single Unit Rack Mount .......................... -
Page 3: Overview
QMOD-HD HDTV Modulator. No matrix routers or IP resources required, just tune in with standard displays or CR HDTV tuners. Compact and easy to integrate, the QMOD-HDSC features an internal, in-stream HD scaler for digital signage applications. PC video fed through the RGBHV (or Component) input is automatically scaled to either 1080i or 720p output settings. -
Page 4: Specifications
MER 38 dB typical Latency 360 ms@720p, 660ms1080i, includes all processing and tuning HDTV modulators experience more latency, as the media is converted to MPEG2 and QAM, then distributed over RF. Compliance FCC Class B, ROHS, meets California standards Contemporary Research QMOD-HDSC... - Page 5 4.9 adds 1080p, EDID, and improved scaling for all settings 4.8 adds improved 1280x720 operation with off-standard PC video cards 5.0 1080p ingest with EDID 5.2 FPGA resets after 2 encoder resets 5.5 Expands 1400 x 900 parameters 5.6 Expands 1080p parameters to accept Apple 1080p Contemporary Research QMOD-HDSC...
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Page 6: Setup Tips
TV. Trying to do this when the TVs are a few hundred feet away is very difficult. Testing Resolution Once the PC is running and the input is selected, the QMOD-HDSC will tell you the resolution on the bottom line of the front-panel display. You’ll get one of three messages: ... -
Page 7: Front Panel Setup
There are a number of parameters that can be set by front-panel Setup commands. Pressing Setup enters the setup menus, shows last menu accessed Pressing Up and Down arrow keys steps through the QMOD-HD options Pressing Left and Right keys steps through options for each front-panel menu ... - Page 8 Press right or left arrow to start editing, use Up and Down arrows to select digit. Chan Name Enters channel short name, up to 7 characters. “QMOD” is default text. Press right or left arrow to start editing, use Up and Down arrows to select character.
- Page 9 - You can choose to output the video at 1080i or 720p, the unit will up and downscale - If there is no signal present, the QMOD will display “No Signal” - If the QMOD-HDSC can’t match the signal to the resolution list, it will display “Unknown Sig” CLK Phase This menu tweaks how the scaler scans the video.
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Page 10: Tips & Troubleshooting
Re-install firmware or call CR Support if you can’t update. Green screen That’s good news – it means the TV is receiving the channel from the QMOD. The green (or blue, purple) background means that there is no video input or the resolution of your source doesn’t match the QMOD settings. - Page 11 Signage Formatting Digital signage presentation almost always require a scaler to format the output for HDTV displays Green Screen Check QMOD display for signal status Edges and positioning Use Horizontal and Vertical menus to adust Positioning Use Up, down, left, right scaler adjustments to fit...
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Page 12: Rs-232 Control Protocol
RS-232 Control Protocol Overview The QMOD-HD full duplex RS-232 enables a system programmer to control all functions as well as monitor status. All commands are sent as ASCII strings. No delays between characters or commands are required, as data is interrupt driven and buffered. -
Page 13: Rs-232 Commands
Characters received will not be re-transmitted (power up default). Echo On Characters received will be re-transmitted. Example: ‘ >EN’ Characters received will be re-transmitted. Product ID Returns the product model number and software version. Reconfigures unit to factory default settings Contemporary Research QMOD-HDSC... -
Page 14: Rs-232 Cable Connections
(Pins 4 and 9 are inputs). QMOD-HD Daisy-Chain One QMOD-HD and 232-series tuner can be controlled from one RS-232 control port. The QMOD-HD will be Unit 1, and the 232-series tuner will be set to Unit 2. -
Page 15: Rack Mounting
RK2 Dual Rack Kit with Tie Bar Mounting New QMOD and QCA enclosures have a slot in the bottom middle of the case. This will accept a tie bar that will lock the two enclosures together without taking the cases apart . -
Page 16: Safety Instructions
If the video product is dropped or the cabinet is damaged. When the video product exhibits a distinct change in performance, this indicates a need for service. Contemporary Research QMOD-HDSC... -
Page 17: Limited Warranty And Disclaimer
CR expressly disclaims all warranties not stated in this Limited Warranty. Any implied warranties that may be imposed by law are limited to the terms of this Limited Warranty. Contemporary Research QMOD-HDSC...
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