Kramer Electronics VA-8XL User Manual

KRAMER ELECTRONICS LTD. USER MANUAL MODEL: VA-8xl 8-Channel Balanced Stereo Audio Amplifier P/N: 2900-300151 Rev 1

VA-8xl - Connecting the VA-8xl 7 Figure 6: Connecting the VA-8xl 8-Channel Balanced Stereo Audio Amplifier

8 VA-8xl - Operating the VA-8xl 5 Operating the VA-8xl When switching on the VA-8xl (after a previous session), the VA-8xl briefly scans each cha

VA-8xl - Operating the VA-8xl 9 3. Press the UP or DOWN button once to increase or decrease, as appropriate, in increments of 0.5dB. Press and hol

10 VA-8xl - Operating the VA-8xl To recall a setting, via the front panel buttons, do the following: 1. When the LED displays are dimmed, press th

VA-8xl - Controlling the VA-8xl 11 6 Controlling the VA-8xl You can control a single VA-8xl unit (see Section 6.1) or configure up to a 120 chan

12 VA-8xl - Controlling the VA-8xl Method B (Figure 8)—Connect the RS-232 9-pin D-sub port on the unit via a straight (flat) cable to the null-mode

VA-8xl - Controlling the VA-8xl 13 For a single, stand alone machine, set as MACHINE # 1. MACHINE # DIP-SWITCH 1 2 3 4 1 ON OFF OFF OFF 2

14 VA-8xl - Controlling the VA-8xl Figure 10: Configuring up to 15 VA-8xl Units 6.3.1 Connecting a Control Interface on a Set of Units To connect

VA-8xl - Controlling the VA-8xl 15 2. Attach the RS-232 9-pin D-sub (F) connector (A) to another RS-232 9-pin D-sub (M) connector (B) by connectin

16 VA-8xl - Controlling the VA-8xl 6.3.3 Connecting the RS-485 Control Interface To connect an RS-485 connector on one VA-8xl unit to an RS-485 co

VA-8xl - Controlling the VA-8xl 17 Figure 12: An RS-485 Control Interface Setup

18 VA-8xl - Upgrading the Flash Memory 7 Upgrading the Flash Memory The VA-8xl firmware is located in FLASH memory, which lets you upgrade to the

VA-8xl - Upgrading the Flash Memory 19 3. Connect the power cord and turn the POWER switch on the VA-8xl ON. The LED displays may show erratic dat

20 VA-8xl - Upgrading the Flash Memory Figure 14: Atmel – Flip Window 3. Press the keyboard shortcut key F4 (or select the “Read Configuration Fi

VA-8xl - Upgrading the Flash Memory 21 Figure 16: Atmel – Flip Window (RS-232 Communication) 5. Click OK and press the keyboard shortcut key F3 (

22 VA-8xl - Upgrading the Flash Memory Figure 18: Atmel – Flip Window (Connected) 7. Click Run. After each stage in the operation is completed, t

VA-8xl - Upgrading the Flash Memory 23 Figure 19: Atmel – Flip Window (Operation Completed) 8. Close the “Atmel – Flip” window. 9. Turn the POWE

24 VA-8xl - Technical Specifications 8 Technical Specifications INPUTS: 8 balanced stereo audio +4dBm / 30kΩ on detachable terminal blocks OUTPUTS

VA-8xl - Default Communication Parameters 25 9 Default Communication Parameters RS-232 Protocol 2000 Baud Rate: 9600 Data Bits: 8 Stop Bits: 1

26 VA-8xl - Kramer Protocol 2000 10 Kramer Protocol 2000 The VA-8xl is compatible with Kramer’s Protocol 2000 (version 0.50). This RS-232 / RS-485

VA-8xl – Contents i Contents 1 Introduction 1 2 Getting Started 2 2.1 Achieving the Best Performance 2 3 Overview 3 3.1 Defining the VA-8

VA-8xl - Kramer Protocol 2000 27 The following tables define the VA-8xl hex codes for attenuation gain control, amplification gain control and the

28 VA-8xl - Kramer Protocol 2000 Gain (dB) LED Hex Codes Gain (dB) LED Hex Codes Gain (dB) LED Hex Codes -71 -71 16 XX B2 81 -43

VA-8xl - Kramer Protocol 2000 29

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VA-8xl - Introduction 1 1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creativ

2 VA-8xl - Getting Started 2 Getting Started We recommend that you: • Unpack the equipment carefully and save the original box and packaging mate

VA-8xl - Overview 3 3 Overview The VA-8xl 8-Channel Balanced Stereo Audio Amplifier is a high−performance 8-channel, balanced stereo input volume

4 VA-8xl - Overview Figure 1: VA-8xl 8-Channel Balanced Stereo Audio Amplifier Front Panel # Feature Function 1 POWER Switch Illuminated switc

VA-8xl - Overview 5 VA-8xl – Overview 5 Figure 2: VA-8xl 8-Channel Balanced Stereo Audio Amplifier Rear Panel # Feature Function 9 IN Terminal

6 VA-8xl - Connecting the VA-8xl 4 Connecting the VA-8xl Always switch off the power to each device before connecting it to your VA-8xl. After c