Frequently Asked Questions

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Wheatstone Bridge FAQ
Question Answer

XPoint is not connecting. What should I look for? When you start XPoint it will try to connect to the IP address associated with the Tier currently pointed to in the Tier ID field of the Configure>AdvXP Setup form. Check that XPoint is pointing to the correct Tier by selecting Configure-AdvXPSetup from the XPoint menu and making sure that the Tier ID is set to 1.

Check that your PC’s IP address is on the same subnet as the Bridge or WheatNet. For example, if your Bridge is at 192.168.1.160 then your PC must be on 192.168.1.xxx.

How do I change the IP address of my Bridge router? There are two ways to accomplish this:

If you are comfortable using FTP then FTP to the router’s Tier1 IP address and edit the XP_net.txt file as required using Notepad or any basic text editor. Do not edit in Word or Word Pad. Do not add spaces or modify the format of the file. When you are finished, upload the file back to the router and re-boot.

You can also use Wheatstone’s WsNetServer application (documentation here) to automatically find the router. Edit as required, and when you click OK you will be prompted to re-boot the router. Leave WsNetServer open until the router is re-booted.

How do I change the IP address of my surface? There are two ways to accomplish this:

If you are comfortable using FTP then FTP to the surface’s IP address and edit the xx_net.txt file (where xx will match the surface type) as required using Notepad or any basic text editor. Do not edit in Word or Word Pad. Do not add spaces or modify the format of the file. When you are finished, upload the file back to the surface and re-boot.

You can also use Wheatstone’s WsNetServer application (documentation here) to automatically find the surface. Edit as required, and when you click OK you will be prompted to re-boot the surface. Leave WsNetServer open until the surface is re-booted.

What kind of Ethernet switch do I need for a Bridge or WheatNet Systems? Bridge systems use a 100BTX Ethernet network. Primary traffic types are TCP, UDP, and FTP. Most small to medium systems (<10 surfaces) work well connected to a simple unmanaged Ethernet switch. We recommend managed switches for larger systems, especially if the system employs AoIP Ethernet audio devices.

How do I control an OnAir light when a Mic fader is turned on? On Air lights may be controlled from any logic port output. XPoint software is used to program control functions such as this. You have to route the surface’s tally signal to a logic destination that you create from scratch. Then you use XPoint to configure VDip settings for each mic signal. See this application note for a detailed answer.

I can TAKE some sources OK, but when I try to TAKE others the source switches back after a few seconds. What’s going on? This can happen in a Bridge system when there are inter-tier bandwidth limitations. First, the source and destination of the attempted crosspoint would have to be in different tiers for this to show up. A quick check to verify if the problem is bandwidth-related is to disconnect a crosspoint between the two tiers and then attempt the desired crosspoint again. If it can now be made, then the problem is indeed related to tier-to-tier bandwidth. Consult the factory to determine the best way to alleviate this situation.

How do I set the visibility on my XY Controller? Use the Wheatstone application WSNetServer.  See this application note for details.

How do I set the destination on my X Controller? Use the Wheatstone application WSNetServer.  See this application note for details.

What output sample rates can I use? Wheatstone products support a selectable, fixed output sample rate of 44.1kHz or 48kHz.

Which sample rates do your input cards support? All AES input cards are fitted with premium quality sample rate converters that accept audio source sample rates up to 96kHz. The SRC on the input will re-clock the source to the system's output sample rate.

Does audio need to be in .WAV format to play with AoIP driver? No. The Wheatstone AoIP Driver supports any audio format that can be played by a WDM compatible sound device.

Why is my audio playing back at a slow (or fast) speed? Check the sample rate and/or playback rate settings of the sound card. Fast or slow playback indicates a sample rate mismatch in most cases. This can be a problem if the sound card is locking to an AES reference input that differs from the sample rate that the tracks were recorded at.

Can I hot swap cards in my bridge cage? You can hot swap any audio, logic, or DSP card. CPU and QAT cards should not be hot swapped. Most system configurations allow you to power down the Primary rack in the extremely rare event of a CPU or QAT card failure. Prudent installations should always employ a method to bypass the router for maintenance.

Can I hot swap a fader module on the surface? Never hot swap a fader module. Control surfaces will continue to play out audio while powered down (neat, huh?) so it is very easy to power down, disconnect the panel’s single ribbon cable, connect the replacement panel, and power up.

Does logic route with Audio? Yes, any logic signal associated with the audio signal gets routed anywhere in the system.

Is a PC required for the system to run? No. Wheatstone products run independent of a PC. The PC is strictly used for configuration and backup purposes.

What automation vendors work with Wheatstone Bridge? Wheatstone has partnered with many of the top automation suppliers. Refer to our partners’ page.

Can a source or destination signal be split into mono? Yes. The Wheatstone Bridge, Wheatnet, and Wheatnet IP are all capable of splitting both analog and AES signals into mono without wasting any IO resources in the system.

Can a Salvo be launched based on time of day? Yes, using the Wheatstone Event scheduling software Salvos can be scheduled, and run based on that schedule.

How do I clear the red or yellow triangle from the display on my surface? The red triangle means that the Bridge router or WheatNet CPU has failed over to the backup CPU. Re-boot the Bridge router to clear the error flags and resume.

The yellow triangle means that the control surface primary CPU has failed over to the backup CPU. Re-boot the control surface to clear the flag and resume operating on the primary CPU.

If either triangle reappears, there is a problem on the respective CPU. Contact Wheatstone customer support.

Will audio drop out if I reboot the surface or if it crashes? Because no audio actually passes through the control surface it can be restarted without interrupting audio output.




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