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Sierra Digital Mixer User Manual

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Digital Mixer User’s Guide 1
SIERRA VIDEO SYSTEMS, INC.
Digital Mixer User’s Guide
507144-00
V 1.7
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Sierra Digital Mixer Specifications

Video Input IconVideo Input
video input standardSMPTE 259M
video input connectorBNC female
video input return loss>15dB @ 270MHz (75 Ohm referenced)
video input range200 meters with Belden 8281 or equivalent
Video Output IconVideo Output
video output standardSMPTE 259M
video output connectorBNC female
video output jitter<350 picoseconds peak-to-peak with 10 Hz high pass filter
reference-output delay adjustment resolution37 nsec.
reference-output delay adjustment rangeone video frame period
video delay1.5 microseconds to 1 horizontal line period plus 1.5 microseconds
Power IconPower
power consumption at 5V<1.5A
power consumption at 8V<0.8A
power consumption at -8V<0.15A
Operating Environment IconOperating Environment
operating temperature range0 to 50 C, non-condensing
operating humidity range0 to 95% RH, non-condensing

Summary

Introduction

Peripheral Connections

Details the rear panel BNC and D-sub connectors for signal and control.

Rear Panel Control

SWA Positions and Their Functions

Lists the functions assigned to each position of Switch A (SWA).

Internal Controls

S1 - Switches

Details the 8 individual switches within the S1 package and their functions.

S1-1,S1-2 - Transition Period Selection

Sets the transition time for dissolves and fades to black.

S1-3 - Video System Selection

Sets the video system standard (50Hz or 60Hz).

S1-5,6,7,8 - Mixer Address Selection

Sets the module address for the mixer control port.

JP3,JP4 - SmartLinx Network Interface

Configures the electrical interface for the SmartLinx network port (RS232/RS485).

JP6,JP8 - User Port Interface

Configures the electrical interface for the rear panel user port (RS232/RS422).

Using the GPI interface

JP7 - RS422 Receiver Termination

Connects an optional termination resistor for the RS422 receiver.

S2,S3 - On-board Switches

Describes on-board switches as replacements for SWA/SWB, to be set to '0'.

Using the Mixer Control Port Serial Interface

Command Form Definitions

Lists and describes various control commands (Gaa, Qaa, Saa, Taa, Waa, Xaa) for the serial interface.

Auto-Timing Digital Video Inputs

Determining Reference to Output Delay Settings

Parameter Storage

Parameter Recall

Specifications