Kramer VS-3232A User manual

Kramer Electronics, Ltd.
USER MANUAL
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
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Model:
VS-3232A
32x32 Audio Matrix Switcher

Contents
i
Contents
1 Introduction 1
2 Getting Started 1
2.1 Quick Start 1
3 Overview 3
4 Your Balanced Stereo Audio Matrix Switcher 3
4.1 Using the IR Transmitter 8
5 Installing the VS-3232A in a Rack 9
6 Connecting a Single VS-3232A 32x32 Audio Matrix Switcher 10
6.1 Connecting the Balanced/Unbalanced Stereo Audio Input/Output 11
7 VS-3232A 32x32 Audio Matrix Switcher Configurations 12
7.1 The VS-3232A Configuration Setups 12
7.1.1 The Follow-System Configuration Setup 12
7.1.2 The Master/Slave Configuration Setup 14
7.1.3 The Follow-System versus the Master/Slave Configuration Setups 16
7.2 Assembling a Multi-channel Audio Switcher 17
7.3 Connecting the VS-3232A as a Companion to the VS-3232V(xl) 18
7.4 Connecting the VS-3232A as a Companion to a Multi-channel Video Switcher 19
7.5 DIP-switch Settings 20
7.5.1 Setting the Machine # 21
7.6 Connecting a Control Interface 21
7.6.1 Connecting the RS-232 Control Interface 21
7.6.2 Connecting the RS-485 Control Interface 23
7.7 Setting the Sync 25
7.8 Controlling via the ETHERNET 26
7.8.1 Connecting the ETHERNET Port directly to a PC (Crossover Cable) 26
7.8.2 Connecting the ETHERNET Port via a Network Hub (Straight-Through Cable) 27
7.8.3 Control Configuration via the Ethernet Port 27
8 Operating Your Video Matrix Switcher 28
8.1 Startup Display 28
8.1.1 Viewing the Display 29
8.2 Using the Keypad Buttons 29
8.3 Confirming Actions 29
8.3.1 Toggling between the At Once and Confirm Modes 30
8.3.2 Confirming a Switching Action 30
8.4 Switching Options 30
8.4.1 Switching one Input to one Output 31
8.4.2 Switching Several Inputs to Several Outputs 31
8.4.3 Switching one Input to all Outputs 32
8.4.4 Clearing an Output 32
8.4.5 Clearing Several Outputs 32

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Contents
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8.4.6
Clearing all Outputs 32
8.5 Storing and Recalling Setups 33
8.5.1 Storing Setups 33
8.5.2 Recalling Setups 34
8.6 Using the DEFAULT SETUP Button (Unity Setting) 34
8.7 Choosing the FOLLOW or the BREAKAWAY Modes 35
8.8 Using the LOCK Button 37
8.9 Setting the Input/Output Volume 37
9 The MENU Commands 39
9.1 Selecting the Audio Switching Method 41
9.2 Selecting the SYNC Configuration 41
9.3 Selecting the INTERFACE Configuration 41
9.4 Selecting the Interface REPLY Configuration 42
9.5 Selecting the PROTOCOL Configuration 42
9.6 Selecting the Store DEFAULT Setup Configuration 42
9.7 Selecting the Initialization Sequence Delay Time for a Slave Unit 43
9.8 The Main Firmware Version 43
9.9 Selecting the TOTAL RESET Option 44
10 Flash Memory Upgrade 45
10.1 Switcher Flash Memory Upgrade 45
10.1.1 Downloading from the Internet 45
10.1.2 Connecting the PC to the RS-232 Port 45
10.1.3 Upgrading Firmware 46
10.2 Ethernet Flash Memory Upgrade 50
10.2.1 Downloading from the Internet 50
10.2.2 Connecting the PC to the RS-232 Port 50
10.2.3 Upgrading Firmware 51
11 Technical Specifications 52
11.1 Audio Performance Graphs 53
12 Communication Protocols 54
12.1 The Kramer 2000 Communication Protocol 54
12.2 ASCII Protocol: General 59
12.2.1 ASCII Protocol: Description 59
Figures
Figure 1: Front Panel VS-3232A 32x32 Audio Matrix Switcher 4
Figure 2: VS-3232A Keypad Selector Buttons 6
Figure 3: Rear Panel VS-3232A 32x32 Audio Matrix Switcher 7
Figure 4: Connecting the VS-3232A Audio Matrix Switcher 10
Figure 5: Connecting a Balanced VS-3232A Stereo Audio Input and Output 11
Figure 6: Connecting an Unbalanced VS-3232A Stereo Audio Input 11
Figure 7: Connecting an Unbalanced VS-3232A Stereo Audio Output 11
Figure 8: Connecting in the Follow-System Configuration Setup 13

Contents
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Figure 9: Connecting in the Master/Slave Configuration Setup 15
Figure 10: The Follow-System Combined with the Master/Slave Configuration Setup 16
Figure 11: Configuring a 4-channel 32x32 Switcher with Two VS-3232A Switchers 17
Figure 12: Connecting the VS-3232A as a Companion to the VS-3232Vxl 18
Figure 13: Connecting the VS-3232A as a Companion to a Multi-channel Switcher 19
Figure 14: DIP-switches 20
Figure 15: Connecting a PC to two VS-3232A Units 22
Figure 16: RS-485 Connector PINOUT 23
Figure 17: Connecting the RS-485 Connectors between VS-3232A/VS-3232V(xl) Units 24
Figure 18: RS-485 Control Interface and SYNC Connections 25
Figure 19: Local Area Connection Properties Window 27
Figure 20: Internet Protocol (TCP/IP) Properties Window 27
Figure 21: Default Startup Status Display Sequence 28
Figure 22: Setting the SYNC Configuration (an example) 40
Figure 23: Splash Screen 46
Figure 24: Atmel – Flip Window 46
Figure 25: Device Selection Window 47
Figure 26: Device Selection window 47
Figure 27: Loading the Hex 48
Figure 28: RS-232 Window 48
Figure 29: Atmel – Flip Window (Connected) 49
Figure 30: Atmel – Flip Window (Operation Completed) 49
Figure 31: The KFR-Programmer Window 51
Figure 32: Frequency Response (Bandwidth) of the VS-3232A 53
Figure 33: THD+N of the VS-3232A 53
Figure 34: Maximum Input/Output Level at 1kHz 53
Figure 35: Linearity of the VS-3232A 54
Figure 36: Spectrum Plot of the Output Signal for a 1kHz, 4dBu Input 54
Tables
Table 1: Front Panel VS-3232A 32x32 Audio Matrix Switcher Features 5
Table 2: VS-3232A Keypad Selector Buttons Functions 6
Table 3: Rear Panel VS-3232A 32x32 Audio Matrix Switcher Features 8
Table 4: Follow-System versus the Master/Slave Configuration Setup 16
Table 5: DIP-switch Settings for VS-3232A and VS-3232V(xl) Switchers 20
Table 6: DIP-switch Definitions 20
Table 7: Machine # DIP-switch Settings 21
Table 8: Audio Switching Method Configuration Menu 41
Table 9: SYNC Configuration Menu 41
Table 10: INTERFACE Configuration Menu 41
Table 11: Interface REPLY Configuration Menu 42
Table 12: PROTOCOL Configuration Menu 42
Table 13: Initialization Sequence Delay Time 43
Table 14: Total Reset Menu 44
Table 15: Technical Specifications of the VS-3232A Video Matrix Switcher 52
Table 16: Hex Table (IN 1-32 to OUT 1-16) 55
Table 17: Hex Table (IN 1-32 to OUT 17-32) 57

Introduction
1
1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast range
of problems that confront the video, audio, presentation, and broadcasting
professional on a daily basis. In recent years, we have redesigned and upgraded
most of our line, making the best even better! Our 1,000-plus different models
now appear in 11 groups
1
that are clearly defined by function.
Thank you for purchasing your Kramer VS-3232A 32x32 Balanced Stereo
Audio Matrix Switcher.
This product is ideal for the following typical applications:
Professional display systems requiring audio signal routing
Broadcast, presentation and production facilities
Rental/staging applications
Monitoring in large duplication systems
The package includes the following items:
VS-3232A 32x32 Audio Matrix Switcher
Windows®-based Kramer control software
Power cord and Null-modem adapter
This user manual
2
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
Review the contents of this user manual
Use Kramer high-performance high-resolution cables
3
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems; GROUP 4:
Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:
Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity; GROUP 10: Accessories
and Rack Adapters; GROUP 11: Sierra Products
2 Download up-to-date Kramer user manuals from our Web site at http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Getting Started
2

Overview
3
3 Overview
The VS-3232A is a high-performance 32x32 matrix switcher (router) for
analog balanced stereo audio signals. The unit can route any or all inputs to
any or all outputs simultaneously.
The VS-3232A features:
Clean switching (noise free)
Level control for each input and output
An S/N ratio of over 100dB at +20dBu/1kHz and a linearity better than
0.1dB from -25dBu to +20dBu
THD and noise below 0.03%
A flat frequency response from 20Hz to 20kHz (±0.1dB)
The ability to operate as a standalone audio router or as a companion
router to the VP-3232V(xl)
The ability when connected to the VP-3232V(xl), to operate in audio-follow-
video or breakaway mode
Flexible control options: front panel, remote control via RS-232
(K-Router™ Windows®-based software is included), RS-485, Ethernet
and IR remote (included)
A TAKE button for executing multiple switches all at once
60 memory locations to store the machine's full status such as presets to be
recalled and executed when needed. One "Default" setup can be executed
immediately by pressing the default button
Front panel lockout
Two optional communication protocols, the Kramer 2000 and Sierra
ASCII protocols (partial)
A worldwide power supply, 100-240V AC on a standard 19” rack mount
size, with 2U Rack "ears" included
To achieve the best performance:
Use only good quality connection cables to avoid interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your VS-3232A away from
moisture, excessive sunlight and dust
4 Your Balanced Stereo Audio Matrix Switcher
Figure 1 and Table 1 define the front panel of the VS-3232A.

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your Balanced Stereo Audio Matrix Switcher
4
TAKE LOCK
MENU
1
4
7
5
8
6
9
0
2 3
Figure 1: Front Panel VS-3232A 32x32 Audio Matrix Switcher

Your Balanced Stereo Audio Matrix Switcher
5
Table 1: Front Panel VS-3232A 32x32 Audio Matrix Switcher Features
# Feature Function
1 IR Receiver The red LED is illuminated when receiving signals from the Kramer infrared
remote control transmitter
2 POWER Switch Illuminated switch for turning the unit ON or OFF
3 Keypad See Figure 2 and Table 2
4 FOLLOW Button Press to enter the Follow mode in the multi-switcher configuration
5 BREAKAWAY Button Press to enter the Standalone mode in the multi-switcher configuration
6 DEFAULT SETUP Button Press to recall the default setup (UNITY setting), see section 9.6
7 INPUTS/OUTPUTS LCD
Display Displays the outputs (in the upper row) switched to the selected inputs (in the lower row).
Displays user interface messages and configuration menu items
8 LOCK Button Toggle
1
to lock/unlock the front panel buttons
9 MENU Button Press once to enable the ALL, OFF STO and RCL buttons
Press twice to enter the audio input/output volume control menu
Press three times to enter the configuration menu
When in the configuration menu, press to browse through the menu items
10 TAKE Button Used to confirm and complete setup and switching
1 Press and hold the LOCK button for about two seconds to toggle

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your Balanced Stereo Audio Matrix Switcher
6
The keypad selector buttons (illustrated in Figure 2 and Table 2) are used to
select the outputs and the inputs when routing
1
. Use the keypad button to
shift the display content to the left, and the keypad button to shift the
display content to the right (as the LCD display is only large enough to show
13 cross-points out of a total of 32). Most keypad buttons have more than one
function, as defined in Table 2.
Table 2: VS-3232A Keypad Selector Buttons Functions
Keypad # Function
1 ALL
2
– Press ALL followed by an input number to
connect that input to all the outputs
LEFT – Press to select the left channel of a
selected input or output
3
2 L+R (Left and Right) – Press to select both left
and right channels of a selected input or output
3 OFF
2
– Press OFF followed by an output number
to disconnect that output
RIGHT – Press to select the right channel of a
selected input or output
4 STO
2
– Press to store the current setting in the
non-volatile memory
6 RCL
2
– Press to recall a setup from the
non-volatile memory
7 LEVEL UP – Press to increase the audio output
level of the selected input or output
4
9 LEVEL DOWN – Press to decrease the audio
level of the selected input or output
4
(Backward) ESC – Press to exit the current operation
1
4
7
5
8
6
9
0
2
3
Figure 2: VS-3232A Keypad
Selector Buttons
(Forward) ENT – Press to complete the input-output setup
when using a one-digit number instead of two
digits
5
Press to enter the options in a setup menu
Figure 3 and Table 3 define the rear panel of the VS-3232A.
1 See section 8.4
2 This button is enabled and illuminated after pressing the MENU button
3 For audio level adjustment
4 You can adjust the left, right or both channels of an input or an output
5 For example, to enter input 5, you can either press 0, 5 or 5, ENT