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Carlos Mendoza
carlos.mendoza@harman.com
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Using Venu360 as 4x4 AES to Analog Converter
Published January 6th, 2026 by Carlos Mendoza
Brand: dbx Models: DriveRack VENU360 Overview: The DriveRack VENU360 can be used as a 4x4 AES to Analog converter. Although the device is a 3x6 processor (3 analog inputs), the DriveRack VENU360 has 4x AES inputs also present on Input 1 and Input 2 XLR connectors respectively. These can be converted and sent directly to any of its 6x Analog Output
4x3500HD Front Panel Firmware Updater v2.0.1.2
Published November 26th, 2025 by Carlos Mendoza
4x3500HD Front Panel Firmware Updater v2.0.1.2 Note 1: HARMAN Production started using display FW v2.0.1.2 on 2/15/2024, starting SN 15500194660, SKU 4X3500HDS-U-EKFX. 4x3500HD amplifiers built on or after 2/15/2024 and serial number 15500194660, or with this display firmware or newer, do not need to be updated. Note 2 Root Cause: HA
Using a ZC-9 as a Scene Selector
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZC-9 Zone Controller ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m Setting up a ZC-9 Zone Controller as a Scene Selector In ZonePRO GUI Designer, open the Configuration Wizard. Select a ZC-4 in the ID 1 position and select Scene Control from the dropdown box. Then click
Troubleshooting HiQnet Device Discovery Using Audio Architect
Published November 25th, 2025 by Carlos Mendoza
Introduction: One of the biggest challenges of working with network devices is getting everything to talk over the network. In this guide we will cover the troubleshooting steps to take when you are unable to get a computer to discover a device. The process for troubleshooting device not discovered involves checking three areas Software, Netwo
ZonePRO Link Ports
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m What are the dbx ZonePRO LINK IN/OUT ports? The ZonePRO LINK IN/OUT ports are used to share up to 6 channels of audio channels between multiple dbx ZonePROs. The Link Bus does not expand the input channel count of a ZonePro sys
Setting up LDAPS on a Master
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: NX Series Summery: Setting up LDAPS on a Master: Introduction There are several things to take into consideration when setting up a secure LDAP connection between a master and your user authentication system. This document will discuss those considerations, but we will not be going into the specifics of the LDAP configuration it
Programming SVSI in RMS
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: Programming SVSI in RMS When it comes to programming SVSI devices into RMS, there a couple of additional steps you must take. To monitor SVSI devices you must use virtual devices in place of the physical device numbers normally used when registering and monitoring devices. When a device is
Sidechain Applications - Bass & Kick
Published January 7th, 2026 by Carlos Mendoza
Side Chain Compressor Applications for Bass & Kick Drum, Ducking Using the Gate or De-essing This document is to help give you a better understanding of Sidechain applications. For Kick Drum/Bass Guitar In order to trigger the noise gate of the compressor from a kick drum signal, start by connecting the dbx on an insert where the bass is co
Removing Tomcat Defaults from the RMS Server
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: Sometimes local security teams will detect the Tomcat default pages and apps as a security vulnerability. If so, you need to remove them from the Tomcat directory. This will not affect the running of RMS, but it will remove the base webpage you see when you enter in the RMS address without
What is the NATO Alphabet?
Published June 26th, 2026 by Carlos Mendoza
Question: What is the NATO Alphabet? Answer: NATO Alphabet:
PMC16 Firmware Updater
Published January 6th, 2026 by Carlos Mendoza
Brands: dbx Models: Product Name: PCM16 Downloads: Version: [1.0.9]Download Link: PMC16_Manufacturing_Update_1_0_9.zip. Information: PMC16 Firmware Updater Prerequisites: USB-A to Mini USB cable. Windows PC (does not run on Mac OS). PmcManufacturingUpdater.exe (Software Utility). PMC Image (file). Procedure: Download the PMC16_Manufacturing_
Gain Structure & Limiter Guide for the PA2
Published January 7th, 2026 by Carlos Mendoza
This video demonstrates how to set proper gain structure when an amplifier is not listed in the PA2. Gain Structure and Setting Up the Limiter If your amps are not in the Wizard, you will need to familiarize yourself with the concept of setting your systems gain structure to optimize the system properly. Please refer to PA2 Owner's Manual an
ZC Fire Module ID
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZC-Fire What ID and dipswitch number should the ZC-Fire module be set to? The ZC Fire module needs to be set to ID #2.
ZonePro - How to Connect over RS232 (Serial)
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m ZonePro - How to Connect over RS232 (Serial) What you will need: Windows computer. ZonePRO GUI Designer (available for free on the dbx website). Null modem/crossover serial cable (a straight through cable will not work). R
ZonePRO 641 Current Firmware
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 641 What is the latest/current firmware for the ZonePRO 641? Version 1.110 (No further updates are planned at this time). Additional Information: https://dbxpro.com/en-US/softwares/zonepro-gui-designer-v3-3-windows
DMM8 Remote Volume Via VCA
Published March 31st, 2026 by Carlos Mendoza
Brand: AKG Models: DMM8 Question: Can I attach a wall‑pot to fade the system? Answer: Yes - a 50 kΩ linear potentiometer on the VCA Phoenix port controls both stereo sums simultaneously.
How To Load TPDesign3 on a Windows 10 Computer
Published November 25th, 2025 by Carlos Mendoza
Overview: TPDesign3 is an old application. It has since been replaced by TPDesign4 and TPDesign5, but all of these applications will only work with their corresponding touch panel generation. TPD3 is for G3 panels, TPD4 is for G4 panels, and TPD5 is for G5 / Varia panels. It’s rare, but there are some systems that still have a G3 panel, or
Unable to Install ZonePro GUI Designer Software?
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePro GUI Designer Why does my installation for ZonePro GUI Designer keep failing on Windows 10/11? Microsoft .NET Framework 3.5 is required in order for your Windows computer to be able to install ZonePro GUI Designer software. This Framework version is no longer made active in newer computers, today. Follow the steps below
Troubleshooting Roombook/Acendo Panels
Published January 12th, 2026 by Carlos Mendoza
We've been getting an increased number of scheduling panel calls. These are just a few basic steps for troubleshooting Roombook/Acendo panels. We'll be focusing on the Exchange mail service since most of the calls we get start there. Each section of the document will correspond to a tab in the panel setup and will contain a few things to check
What is the Difference Between Device Models Ending with a V?
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: Current dbx products What is the difference between dbx device models that end with a "v" and units that don't? It is an indicator of where it was manufactured. There are no physical or software differences between the units.
Connecting NCITE to More Than One Display
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: NCITE Question: Can I connect more than one monitor to NCITE? Answer: The NCITE has 3 outputs (2 HDMI and 1 DXLITE). Three displays can be connected at a time. The NCITE is not a matrix switcher however, so the outputs are mirrored. Also, there is only one video scaler. If the scaler is left in auto scaling mode and more than
dbx Products Serial Number Location
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: Current dbx products Where can I find the serial number on my dbx device? The serial number is usually located on a sticker affixed to the chassis of the dbx device. This serial number is needed for technical support, warranty registration, and product updates. Note: If unit does not have serial number label, look for it on t
ZonePRO 1261m Current Firmware
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 1261m What is the latest/current firmware for the ZonePRO 1261m? Version 1.06 (No further updates are planned at this time). Additional Information: https://dbxpro.com/en-US/softwares/zonepro-gui-designer-v3-3-windows
ZonePRO Designer Com Port Selection
Published January 6th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m ZonePRO GUI Designer will not discover or connect to a ZonePRO device. When trying to connect to a ZonePRO device via RS232 and it will not discover or connect. It is recommended to use COM port 1- 4 Even though you can selec
Replacing a Java Installation on an RMS Server
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: Replacing a Java Installation on an RMS Server On rare occasion it is necessary to replace the Java installation utilized by Tomcat. Here is the process: Stop the Apache Tomcat service. Install the replacement Java (optional: Remove previous installation at this time.) Open the Apache Tom
Enable ping responses on Acendo Core
Published January 12th, 2026 by Carlos Mendoza
Use the following steps to enable ping responses on Acendo Core: Log in as the coreadmin user. Open the popup in the taskbar with the gear and rectangle icon. Select Control Panel. Select System and Security. Select Windows Defender Firewall. Select Advanced Settings. Select Inbound Rules. Scroll down to 'File and Printer shari
Differences Between CK Capsules
Published March 31st, 2026 by Carlos Mendoza
Brand: AKG Models: CK61-ULS CK62-ULS CK63-ULS CK69-ULS Question: What are the differences between CK61-ULS, CK62-ULS, CK63-ULS and CK69-ULS capsules? Answer: The ULS, Ultra Linear Series, offers four reference class small condenser microphones. The series is intended primarily for studio and broadcast applications in which state-of-the-art per
ZonePro - How to Connect over Ethernet
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m ZonePro - How to Connect over Ethernet What you will need: Windows computer. ZonePRO GUI Designer (available for free on the dbx website). Crossover Ethernet cable OR a couple straight through Ethernet cables with a swit
ZonePRO 640 Current Firmware
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 What is the latest/current firmware for the ZonePRO 640? Version 1.110 (No further updates are planned at this time). Additional Information: https://dbxpro.com/en-US/softwares/zonepro-gui-designer-v3-3-windows
AKG Microphone Repair: Your Guide to Factory Service Support
Published March 6th, 2026 by Carlos Mendoza
Brand: AKG Model: All Question: Where can I get my microphone serviced? Answer: If you own an AKG microphone that requires service or repair, the Harman Professional (HPRO) Service Department offers comprehensive support to help you restore your audio equipment. To initiate a repair request, you have two primary contact methods: Phone Support: Call
ZC-4 - Fire Alarm Application Guide
Published January 7th, 2026 by Carlos Mendoza
This guide provides an overview for using a ZC-4 in place of a ZC-FIRE to recall a scene dependent upon the state of a fire alarm system. This design utilizes a dbx ZonePRO 640M, but any ZonePRO model will suffice to an extent. Please see the below warning. Warning: Your feature set will be limited if using any non-M version ZonePRO. You
ZonePRO 1260m Current Firmware
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 1260m What is the latest/current firmware for the ZonePRO 1260m? Version 1.06 (No further updates are planned at this time). Additional Information: https://dbxpro.com/en-US/softwares/zonepro-gui-designer-v3-3-windows
Replacement Cables for K361BT and K371BT
Published March 31st, 2026 by Carlos Mendoza
Brand: AKG Models: K361BT K371BT Question: What are the part numbers for replacement cables used by K361BT and K371BT models? Answer: K361BT and K37BT are equipped with different sockets, therefore different cables are included, they are not interchangeable. Part numbers for the different cables: For K361BT: 5125505-00 CBL,AV,3.5mm,1.2M,ST
VENU360 - Multizone
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: DriveRack VENU360 DriveRack VENU360 - Multizone Setup Go into CONFIG Mode by selecting the Configure button and change the router (A) on output path 1. Press the Recall button to load Preset 12: Mono Full Range Main. Press the CONFIG button and turn the data wheel towards the right (5 clicks) select the mid router (A) in the
ZC-2 - Input Gain Controller
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZC-2 Zone Controller ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m ZC-2 Zone Controller Input Gain Controller Setup Primarily the dbx ZC-1 or ZC-6 (momentary push and hold) controller could be assigned to an input gain stage. On rare occasions, a customer might want to ass
Input-Y Configuration for Networked DCi Amplifiers using Audio Architect
Published January 14th, 2026 by Carlos Mendoza
Applicability: The following set of instructions will walk you through configuring your Networked DCi amplifier (DCi Network, DCi Dante, and DCi Network Display series) for Y input operation using Audio Architect. **Note: All DCi amplifiers ship from the factory defaulted for discrete channel operation.** Step 1: After you launch Audio Architec
Fixing ControlSystemMonitor and PowerMonitor in RMS 4.6
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: Fixing ControlSystemMonitor and PowerMonitor in RMS 4.6 Since 4.6 the ControlSystemMonitor and PowerMonitor located inside of it fail to run correctly. The way around this is to instead use the callback functions to get it operating the same way. In ControlSystemMonitor replace the Execute
Disabling Local Host Access Logs in Tomcat
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: Disabling Local Host Access Logs in Tomcat By default, one of the enabled forms of logging in Apache Tomcat is the Local Host Access Log. This log tracks every connection made to the RMS server. That means both masters and people, and every master connects every 15 seconds. This can add u
Input Prioritization Using Two CTC-1402s
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: CTC Summery: It is possible to connect a CTC-1402 pair to an input of another CTC Pair without a control system and utilize only auto input selection. This includes passing of USB. Follow the connection diagram below. The stars represent the default input (HDMI 1). With no other active video source and 'auto mode' enab
ZonePRO Linking Maximum
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m How many ZonePROs can be linked together though LINK I/O? Three total ZonePROs can be linked through LINK I/O, beyond three they will not function.
ZonePRO Internal Reset Procedure
Published January 7th, 2026 by Carlos Mendoza
Question: How do I factory reset my ZonePRO 641/1261 and their "m" variants? Note: Confirm that the unit is in a communicative state by looking through the chassis vent on the left side of the unit. If the unit is in a communicative state and operating properly, there's a single LED that should consistently flash back and forth between RED and
RTA-M Microphone Calibration File
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: RTA-M Where can the Calibration File for the RTA-M be obtained? No individual mic calibration test document is included or available. The RTA-M microphone is designed to be used with the dbx DriveRack family of products and the AutoEQ Tuning feature on those devices. Additional Information: Frequency response and product s
ZonePro Baud Rate
Published January 6th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m What is the Baud Rate for the RS232 Connection on the dbx ZonePro series? In order to properly connect and load a configuration via Serial connection into a ZonePro Processor, you will need to set the proper Baud Rate and Seri
Software for DriveRack 4800/4820
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: DriveRack 4800 DriveRack 4820 What software is required for configuration of the DriveRack 4800 & 4820 models? You must use a 64bit Windows PC running HiQnet Audio Architect to configure these devices. You can download the current release of HiQnet Audio Architect here. Additional Information: https://audioarchitect.h
ZonePRO 640m Current Firmware
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640m What is the latest/current firmware for the ZonePRO 640m? Version 1.06 (No further updates are planned at this time). Additional Information: https://dbxpro.com/en-US/softwares/zonepro-gui-designer-v3-3-windows
NI DVX Webpage Fix for Flash
Published March 5th, 2026 by Carlos Mendoza
Overview: The following steps are to add HTML5 pages to a NI series DVX Switcher. OPTION 1: This process runs a script to copy over the new HTML5 web pages. Download the dvx_New_Webpages.zip file from this KB entry. Extract the .zip file into the root directory. In MOST cases this is C:\. Open up the Windows Command Prompt (start, typ
ZonePRO Input Expansion
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m Is the ZonePRO Link Bus for Input Expansion? The Link Bus is only for Output Expansion.
ZonePro Crossover is Not Working
Published January 6th, 2026 by Carlos Mendoza
Brand: dbx Models: ZonePRO 640 ZonePRO 640m ZonePRO 1260 ZonePRO 1260m ZonePRO 641 ZonePRO 641m ZonePRO 1261 ZonePRO 1261m I have configured the ZonePro with a Crossover but hear no difference between outputs. When you configure a ZonePro with a Crossover, the LPF and HPF is not set. Run the Configuration Wizard in the ZonePro GUI Designer Softw
Adding NPI to the RMS Database 4.6
Published January 26th, 2026 by Carlos Mendoza
Brand: AMX Models: Room Management System (RMS) Summery: RMS has been updated to allow for several new devices including the MD and MT touch panels, NCITE-813, NCITE-813AC, Acendo Core, VPX-1401, and VPX-1701. In order to update RMS you have to update the RMS database. Please follow the instructions included in this file. Adding NPI to the RMS
RTA-M and the AFS Wizard on the DriveRack PA2
Published January 7th, 2026 by Carlos Mendoza
Brand: dbx Models: DriveRack PA2 RTA-M Is the dbx RTA-M microphone required to run the Advanced Feedback Suppression (AFS) Wizard on the dbx DriveRack PA2? The dbx RTA-M microphone is only needed for the AutoEQ Wizard and not needed for the AFS Wizard.
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