8921DAC 4-CH AUDIO D-A CONVERTER WITH DELAY Instruction Manual SOFTWARE VERSION 1.0.0 071821401JULY 2004
10 8921DAC Instruction ManualInstallation 8900 module slots are interchangeable within the frame. There are audio connectors and BNCs in each slot’
8921DAC Instruction Manual 11Installation Audio Outputs Audio outputs are available in both analog audio and AES formats. Analog Audio There are f
12 8921DAC Instruction ManualPower Up Power Up The front LED indicators and configuration switches are illustrated in Figure 5. Upon power-up, the g
8921DAC Instruction Manual 13Power Up Operation Indicator LEDs Refer to Figure 5 on page 12 and Table 2 for the name and meaning of each of the boa
14 8921DAC Instruction ManualConfiguration Configuration The 8921DAC can be configured locally using on-board switches or remotely using the 8900NET n
8921DAC Instruction Manual 15Configuration Output Processing Modes Each analog audio output pair (Channel 1/2 and Channel 3/4) can be set to one of
16 8921DAC Instruction ManualConfiguration The Channel 3/4 output can be set to one of the following output modes:• 3, 4 (Pass) – the inputs selecte
8921DAC Instruction Manual 17Configuration Table 3 provides a complete summary of the 8921DAC functions and a comparison of the functionality availa
18 8921DAC Instruction ManualConfiguration Channel 1/2 Processing 1, 21, 2Audio Proc/Processing pulldown for J1 and J2S1 AA 1/2:0Out1, 2Proc(See Ran
8921DAC Instruction Manual 19Configuration Local Onboard Module ConfigurationThe 8921DAC module can be configured and operated locally using the rotary
2 8921DAC Instruction Manual Contacting Grass Valley Copyright © Thomson Broadcast and Media Solutions All rights reserved. Grass Valley Web Site
20 8921DAC Instruction ManualConfiguration •BANK 2 (second Function) yellow LED – when off, indicates that the rotary switch is addressing the first ban
8921DAC Instruction Manual 21Configuration Table 4. CONTROL Rotary and Paddle Switch FunctionsRotary SwitchSettingPaddle Switch UpPaddleSwitch DownFun
22 8921DAC Instruction ManualConfiguration Set Output Processing ModesTwo rotary switches are provided on the front edge of the module for setting the
8921DAC Instruction Manual 23Configuration Remote Configuration and Monitoring8921DAC configuration and monitoring can be performed using a web browser G
24 8921DAC Instruction ManualConfiguration Figure 7. Frame Status Web Page8214_09The Links section lists the frame and its current modules. The select
8921DAC Instruction Manual 25Configuration 8921DAC Links and Web PagesThe 8900 GUI provides the following links and web pages for the 8921DAC module (F
26 8921DAC Instruction ManualConfiguration Status Web PageThe Status web page (Figure 9) shows the signal status of the input AES 1 and AES 2 audio, AE
8921DAC Instruction Manual 27Configuration I/O Config Web PageThe I/O Config web page (Figure 10) shows the rear input and output con-nections to the mod
28 8921DAC Instruction ManualConfiguration Functional View Web Page The Functional View web page (Figure 11) illustrates a block diagram of the 8921DAC
8921DAC Instruction Manual 29Configuration Module Configuration Web PagesModule configuration is provided for the following functions with the GUI interf
8921DAC Instruction Manual 3 Preface About This Manual This manual describes the features of a specific module of the Gecko 8900 Signal Processing S
30 8921DAC Instruction ManualConfiguration Audio Channel Pairing Web Page The Audio Channel Pairing web page (Figure 12) allows routing the four AES au
8921DAC Instruction Manual 31Configuration Audio Delay Web PageThe Audio Delay web page (Figure 13) provides delay controls for the Analog Audio output
32 8921DAC Instruction ManualConfiguration Audio Proc Web PageThe Audio Proc web page (Figure 14) reports the following for each output channel:•Presen
8921DAC Instruction Manual 33Configuration Analog Audio Outputs Web PageUse the Analog Audio Outputs web page (Figure 15) to set the maximum output lev
34 8921DAC Instruction ManualConfiguration E-MEM Web PageThe E-MEM web page (Figure 16) provides local operations for learning and recalling the curren
8921DAC Instruction Manual 35Configuration 4. In the resulting Save As dialog box (Figure 17), the default file name can be changed to an identifying na
36 8921DAC Instruction ManualConfiguration To load a saved file from a location outside of the frame1. Select the Load from ... button under File Operat
8921DAC Instruction Manual 37Configuration Slot Config PageUse the Slot Config page (Figure 19 on page 38) to perform the following functions on the 8921
38 8921DAC Instruction ManualConfiguration Figure 19. 8921DAC Slot Config Page
8921DAC Instruction Manual 39Configuration Software Update PageThe Software update page (Figure 20) allows updating of software from remote locations s
4 8921DAC Instruction ManualPreface
40 8921DAC Instruction ManualConfiguration Newton Control Panel ConfigurationA Newton Control Panel can be interfaced to the Gecko 8900 Series frame ove
8921DAC Instruction Manual 41Specifications SpecificationsTable 6. 8921DAC SpecificationsParameter ValueDigital InputsBalanced inputsAudio input signal
42 8921DAC Instruction ManualSpecifications Performance (+ 24 dBu into 10 k Ω load unless otherwise stated)Signal/noise ratio> 104 dB unwatched 22 k
8921DAC Instruction Manual 43Service ServiceThe 8921DAC modules make extensive use of surface-mount technology and programmed parts to achieve compact
44 8921DAC Instruction ManualStatus Monitoring Status MonitoringThis section provides a summary of status monitoring and reporting for a Gecko 8900 Se
8921DAC Instruction Manual 45Status Monitoring In general, LED colors used on the frame and modules indicate:•Green = normal operation, (Pass) or sign
46 8921DAC Instruction ManualStatus Monitoring SNMP Reporting The Gecko 8900 Series system uses the Simple Network Monitoring Pro-tocol (SNMP) interne
8921DAC Instruction Manual 47 IndexNumerics2ND LED 208900 frameframe alarm 45module capacity 9status reporting 448900NET moduleinstallation 98921
48 8921DAC Instruction ManualIndex Ffactory defaultslocal control 21remote control 36summary table 17FAQ database 2FAULT LEDstates 13troubleshoot
8921DAC Instruction Manual 49Index Ttestpoints 43troubleshooting 43Vvoltage tespoints 43Wweb site documentation 2web site FAQ database 2web site
8921DAC Instruction Manual 5 Contents Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 8921DAC Instruction ManualIndex
6 8921DAC Instruction ManualContents
8921DAC Instruction Manual 7 8921DAC 4-Channel Audio D-A Converter Introduction The 8921DAC provides conversion of two digital audio streams (bala
8 8921DAC Instruction ManualInstallation Installation Installation of the 8921DAC module is a process of: 1. Setting on-board jumpers for desired i
8921DAC Instruction Manual 9Installation Frame Capacity The 8921DAC module can be installed in all Gecko 8900 audio frames but with varying maximum
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