Extreme using BOTH channel 1

For many years I have been using my old reliable Snow Saucer base station, with my "Network" on channel 9.
I liked the fact that the Snow had one utility app for getting into the base station itself, and a different app for configuring the network itself.
Is there an app other the Airport Utility 5.6.1 for seeing details about the base station? For instance, I might want to manually program the MAC numbers of the computers that are allowed to use the base station.
I have just finished configuring a "New Network" using an Airport Extreme. My laptop is currently reaching the internet using it.
My WiFi sniffer says that it is broadcasting on both Channel 1 and 149.
1) Why? Are these the "default" channels for the two different 802.xxx standards?
2) How do I determine which channel my laptop is receiving? There must be an Airport Utility app for that or is it somewhere in the various System Preferences or Configuration panes?
2) How do I tell the Extreme which channels I desire to use (to avoid channels being used by my neighbors)?
Next step is to re-program the Snow Saucer to into Bridge Mode so that my old computers can use wireless on the "old" 802.xxx channel...

Is there an app other the Airport Utility 5.6.1 for seeing details about the base station? For instance, I might want to manually program the MAC numbers of the computers that are allowed to use the base station.
There are currently two versions of the AirPort Utility (for Macs) for the latest versions of the AirPort base stations. Version 6.1, which has an iOS-like interface, and 5.6 which is more full-featured and includes the feature to restrict network clients by their MAC address. For Windows PCs there is version 5.6.1.
My WiFi sniffer says that it is broadcasting on both Channel 1 and 149.
1) Why? Are these the "default" channels for the two different 802.xxx standards?
The newer AirPort base stations are simultaneous dual-band wireless routers. That means that they have two Wi-Fi radios, one on the 2.4 and the other on the 5 GHz radio band. Channels 1-14 are typical for the 2.4 GHz band; higher channels are used on the 5 GHz band. For the AirPorts, the default radio channel on both bands is set to "Automatic." With this setting, the AirPort attempts to find a channel for each band that has the least Wi-Fi interference or competition from other nearby Wi-Fis. Yours, most likely, chose those channels for that reason.
2) How do I determine which channel my laptop is receiving? There must be an Airport Utility app for that or is it somewhere in the various System Preferences or Configuration panes?
Right-click or Option-click the AirPort icon in the OS X menu bar. The radio channel that your Mac is connected to will be revealed in the drop-down menu.
2) How do I tell the Extreme which channels I desire to use (to avoid channels being used by my neighbors)?
The "Automatic" setting does a pretty decent job already for doing this, but if you want to double-check, I would suggest using a utility like iStumbler. It will show you the Wi-Fis operating nearby and their respective signal strength. You will want to look for those with the strongest signal, and then, note which channels they are operating on. You can then elect to change channels to not use the same as theirs.

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Tektronix AFG 3022: How to use both channel with VISA

Hi all!
I am trying to control the AFG with LabView using the NI VISA driver. There are several given VIs I can use, but I don´t know how to use both channels at the same time correctly. I attached a VI I made.
Problems are:
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I hope someone has some good ideas helping me out...
Best regards
Yopp
Attachments:
AWG_out_pulse_2ch.vi ‏36 KB

Hi Benjamin,
thanks for the replay. You helped me out very good! I had the Visa driver. I downloaded the driver in your link and it´s way better (more functionality) than the one I used. I now have a configuration, which is working. But there are two things I still doen´t know:
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How to record stereo vocals using both channels?

How do i get my vocals to record in both stereo channels, it always just records to the left channel, also if anyone knows, how do i duplicate a piece of audio?

RonBrasco wrote:
just records to the left channel
http://www.bulletsandbones.com/GB/GBFAQ.html#leftspeakeronly
(Let the page FULLY load. The link to your answer is at the top of your screen)
how do i duplicate a piece of audio?
option-drag it

Measuring with both channels of virtual bench simultaneously in labview, error 375903

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I have included the VI and a screenshot of the error.
Thanks!

NGKai wrote:
Hi, I am trying to perform two measurements simultanously using both channels of the Virtual Bench's analog input. I have selected MSO channel 1 and 2 for the measurements yet I am getting error 375903 returned evewry time saying the resource requested is reserved. I am not running any other software that should be using the virtual bench. The error occurs when I am initializing the session, before a measurement has even been made. Can someone tell me how to call each channel so that I am not getting this resource reservation conflict?
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http://www.ni.com/example/52076/en/

Can I use both internal speakers as a single channel in an aggregate device

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(wouldn't let me put the question mark at the end of that)
I'd like to get some external speakers hooked up at some point to do surround sound, using the internal speakers as a center channel because the speakers i'm thinking of getting do 4 channels max... i'd need a 5th, but I want the center channel to be... well... just that... a CENTER channel...
The speakers that I want are Eminent Technology LFT-11's. The only panel speakers other than monsoon (which are not as good... and by the way, they licensed their technology from Eminent Tech. in the first place... I may start with a 5.1 set of those until I can afford the LFT's... the problem is... monsoon was bought and their multimedia speakers were discontinued. looks like a job for ebay...)

No one has shown us a way to use both the internal speakers and the external speakers at the same time. Snow Leopard does not do it. I have not yet seen any 3rd party work around. I have heard of something called Jack OS X, but know nothing about how it works or what it actually does. Maybe that is an option.
Dah•veed

Does fibre channel use both ports on the same drive bay

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Is it possible to use both inputs of my AudioBox at the same time?

I was having issues last night, and I wanted to poll the community before I declared my device deffective.
I have an AudioBox- USB and managed to hook it up to GB. I tried both guitar and a microphone in Input 1 and they both worked. I decided to try to have them both hooked up at the same time using both inputs, but I could not get GB to recognize anything from input 2.
As a trouble shooting measure, I disconnected everything from input 1 and tried using input 2 on its own: still nothing.
Questions:
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- Maybe GB cannot do this, and I need to use Logic/Mainstage (have not tried this yet)
- If GB can do this (and should have done so automagically), is my device possibly deffective?

RLBL wrote:
I could not get GB to recognize anything from input 2.
[...] (and should have done so automagically)
you have to set which channel you want each track to use:
http://www.bulletsandbones.com/GB/GBFAQ.html#multitrackrecordinggbv10
This FAQ entry offers a Minute GarageBand video tutorial
(Let the page FULLY load. The link to your answer is at the top of your screen)

Can I playback in both channels with my audio interface?

From what I've found so far I'm afraid the answer is already "no" but I have to ask for myself.
When I record into QuickTime movie (not Pro) using my Alesis IO|14 Firewire interface, it only plays back on the left channel.
Is there ANY way to get it to play back on both channels? (Or is this a sneaky way of urging us to upgrade to QT Pro?)
I'm assuming the audio quality of my M-Audio Nova condenser mic is better than my iMac's built-in mic, which is why I'd really like to do this. I don't even need true stereo, just both channels playing back.
(QT 10.1, on Lion)
Thanks.

The mic and interface record just fine into GarageBand, either as stereo or mono, and plays back out of both channels with the same setup, so I think the problem is with QT.
I don't find any kind of switch like that in the Hardware Direct Monitoring software for the Alesis, but I'll investigate further.
As I mentioned, I've searched this and other forums and it seems like this is just how QT is set up. But I was hoping for some sort of solution.
As previously indicated, I am not familiar with your IO device, so let me ask a few questions here.
1) Is the Nova mic you mentioned mono or stereo?
2) If mono, are you using two of them?
3) If mono and you are not using a pair of mics, does the input interface hardware have the ability to blend left and right (mic 1 and mic 2) input channels?
4) If mono, you are not using a pair of mics, and the device has no ability to blend left and right channels, are you you using an adapter cable to input a split signal to both input channels of the device?
If you are using a mono mic to input a signal to only one channel of the input device and are not/cannot blend this signal to both channels before output via the Firewire cable, then its sounds like your system is working normally and correctly. Basically, the Firewire audio is sent to the QT app as received from the Firewire device and recorded as is in stereo. I.e., if the left channel is active with the mic signal and the right channel is empty, then the audio is recorded only to the left channel and the right channel records the "nil" signal/nothing. On the other hand, GarageBand is an audio editor designed specifically to blend, pan, duck, filter, and/or otherwise taylor audio content as desired by the user. (I.e., which includes the ability to re-channel a single mono audio channel to both channels of a stereo track during the recording process which the QT app can't do.) In short, both apps are doing what they are designed to do as they were designed to do it. As such and as previously noted you have three basic options here.
1) You force the IO device to send stereo or two-channel mono audio to your Mac by using two separate mics, use a single stereo mic with dual channel audio output, using an adapter cable to split the single mono mic audio output line into two separate lines to be plugged into both channels of your IO device, or you can apply/blend the active channel to left and right Firewire output channels within the device if it has this capability.
2) You can use GarageBand to do create and export audio recordings instead of the QT app, or
3) You can purchase QT 7 Pro in order to fix your left channel problem post recording by simply applying the left channel audio to both left and right channels within the audio track so it will play as you want in any media player on your computer.
(Actually, there is a fourth option if you are using an external amplifier for playback, which is to simply use the output amplifier to accomplish re-channelization during playback rather than actually fixing the media file with QT 7 Pro.)

Use both CAN APIs

Hi,
I am developing an application that talks to a microcontroller. I would like to use the Frame API for setup where I can send commands and get responses, and would like to use the Channel API for a mode where I am simply monitoring messages that I receive from the micro.
I have a state machine where I begin by opening the Frame API, have some different states that i go into which utilize the query/response aspect of the frame API and then a state which closes the Frame API and opens the Channel API. The problem that I am having occurs when I have already closed the Frame API and started a read task with the channel API. When I click the stop monitoring button, I exit the While loop which was reading a message defined in the Can DB (havn't actually had it read data yet) and execute the Channel APIs CAN Clear.VI i get the following error.
Error - 1074388720 occured at CAN Initialize.vi
Possible reasons:
NI-CAN (Hex 0xBFF62110) You cannot use the Frame API and Channel API simultaneously on the same interface (such as CAN0). tools in MAX use the Channel API. Soultuon: Use a different interface with each API.
I need a way to work around this and am not sure why the Frame API isn't seeming to be closed, especially since I have a state in my state machine to close the Frame API before I begin using the Channel API.
If anyone has any suggestions please let me know.
Thanks,
Gary
Solved!
Go to Solution.

sorry i will attach it all again so it can be run. Use this VI. it has a tab control. when the program starts, the frame api is running and then you click stop and switch the tab to see the channel api running. when you click the stop button on the channel api you should see the error.
the error has been occurring every time, but when i just ran it, it didnt give that error. I still think the problem exists and I see the problem in my real app that basically does the same thing.
Attachments:
Test for both APIs.zip ‏44 KB

AI Group Config Error 10001 using Virtual Channels

In my LabVIEW block diagram, I usually enter in numbers, e.g. 0,1,2 for the channel string input of AI Config. When I try to use a virtual channel, I simply type in the virtual channel, e.g. 0,K Thermocouple,2. However, this causes AI Group Config Error 10001, which applies to an invalid channel string. What is the correct way to enter a virtual channel into the channel string?

Do you have channels with virtual names of "0", and "2"?
If not you may be confusing MAX by using both naming conventions.
Try using only Virtual names.
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Airport Extreme - Use a Printer and Ext. Harddisk via USB hub same time?

I would like to purchase a Wireless Router that would allow me to use a printer (Dell All in One 962) and an External Hard Disk (yet to buy)simultaneously. I liked the Netgear WNDR 3700 router, but it does not support printer sharing!
Would Airport Extreme Router allow me to use both at the same time via high speed USB hub? Are all USB printers and USB external hard disks compatible with this router - any compatibility guide available?
Message was edited by: JJacob

You won't know for sure until you try, but you can get some indication by trying the following "test".
Plug the Dell device into the USB port on the AirPort Extreme and make sure it is powered up.
Open System Preferences (gear icon) on the dock and then open Print & Fax. Click the + (plus) button at the bottom of the printer list box.
Does your printer name show up in the next box? If so, click on the printer name to highlight it, then click the Add button at the lower right to install the printer at that location.
Keep in mind that if your device is compatible, only the print function will work when your all-in-one is connected to the AirPort. Scan, copy, maintenance and other functions are not supported when the device is connected to the AirPort, so if you need these services, you'll have to connect the all-in-one directly to your computer when you need them.

Speakers - both channels out of right speaker

Hi - I have a Macbook Pro, bought second hand so should have said at the time, but....
All the sound, both channels, comes out of the right speaker. When i go into the Audio MIDI set up app, and play with the channel testing for the built in output, when i do the white noise test on channel 1, it comes out of channel 2. Channel 2 then obviously comes out correctly. When the channel 1 test comes out of the right speaker, it's just not quite as strong and clear sounding as the right channel sound. Then if i've got music playing and i go to the sound preferences, when i use the balance slider left to right, when left, it's still playing out of the right speaker, just quieter.
When my headphone or external speakers are plugged in, it works just fine. Left and right are perfect and I can use the balance slider to move the sound left to right and it behaves accordingly.
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PCI 5640R using Both ADCs

Hi,
I am having a difficulty acquiring data from both ADCs on the PCI-5640R. I started with the My Simple Spectrum Analyzer example in the User Guide tutorial and then added the second channel to it as seen in the figure. I didn't observe any errors, but the second FIFO (FIFO 1) comes back empty. Maybe I need ADC1 acquisition to occur in it's own timed loop with the ADC1_clk driving it? Maybe the problem is in the Host VI where I signal for acquisition and then read from FIFO before FIFO1? I'm hoping someone can provide an example to save me compile time in trying to guess my way through it. There must be a lot of people using both inputs!
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Attachments:
DualADCtarget.JPG ‏52 KB

Sorry. I reposted on the IF-RIO board.
Chris

Connect MacbookPro and AirPort Extreme via 5Ghz channel

Hi.
I have three Apple devices:
- Macbook Pro 13" 2012 year (802.11n wi-fi standart)
- iPad mini with Retina 2013 year (802.11n wi-fi standart)
- Airport Extreme 2013 year (with support 802.11ac wi-fi standart)
By default, a macbook device connected to the channel 2.4Ghz. Connection speed is set 217 Mbit/sec. If you divide the channels 5Ghz and 2.4Ghz, then the connection speed to 450 Mbit/sec on channel 5Ghz.
How to configure AirPort Extreme when macbook and iPad was connected to the AirPort using 5Ghz channel by default?
Gennadiy.

Hi Bob
So, I did some experiments with Macbook and two router:
- ASUS N66U
- Airport Extreme 2013
Note the parameter Transmit Rate.
Software Versions:
          CoreWLAN: 4.0 (400.45.1)
          CoreWLANKit: 3.0 (300.35)
          Menu Extra: 9.0 (900.34)
          System Information: 9.0 (900.8)
          IO80211 Family: 6.0 (600.34)
          Diagnostics: 3.0 (300.37)
          AirPort Utility: 6.3.2 (632.3)
1. Macbook Pro + ASUS N66U (5Ghz, 36.1 channel)
Card Type: AirPort Extreme (0x14E4, 0x10F)
          Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
          MAC Address: 20:c9:d0:7a:28:57
          Locale: RoW
          Country Code: EU
          Supported PHY Modes: 802.11 a/b/g/n
          Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48
          Wake On Wireless: Supported
          AirDrop: Supported
          Status: Connected
          Current Network Information:
            Gennadiy_Home:
              PHY Mode: 802.11n
              BSSID: 74:d0:2b:42:ad:f4
              Channel: 36,1
              Country Code: EU
              Network Type: Infrastructure
              Security: WPA2 Personal
              Signal / Noise: -56 dBm / -86 dBm
              Transmit Rate: 450
              MCS Index: 23
2. Macbook Pro + Airport Extreme without separate 2.4 and 5Ghz network. Macbook connected over 2.4Ghz on 11 channel
Card Type: AirPort Extreme (0x14E4, 0x10F)
          Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
          MAC Address: 20:c9:d0:7a:28:57
          Locale: RoW
          Country Code: BY
          Supported PHY Modes: 802.11 a/b/g/n
          Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
          Wake On Wireless: Supported
          AirDrop: Supported
          Status: Connected
          Current Network Information:
            Gennadiy_Home:
              PHY Mode: 802.11n
              BSSID: 90:72:40:1c:35:c4
              Channel: 11
              Country Code: BY
              Network Type: Infrastructure
              Security: WPA2 Personal
              Signal / Noise: -69 dBm / -87 dBm
              Transmit Rate: 117
              MCS Index: 14
3. Macbook Pro + Airport Extreme with separate network. Macbook connected over 2.4Ghz on 11 channel
Card Type: AirPort Extreme (0x14E4, 0x10F)
          Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
          MAC Address: 20:c9:d0:7a:28:57
          Locale: RoW
          Country Code: BY
          Supported PHY Modes: 802.11 a/b/g/n
          Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
          Wake On Wireless: Supported
          AirDrop: Supported
          Status: Connected
          Current Network Information:
            Gennadiy_Home:
              PHY Mode: 802.11n
              BSSID: 90:72:40:1c:35:c4
              Channel: 11
              Country Code: BY
              Network Type: Infrastructure
              Security: WPA2 Personal
              Signal / Noise: -70 dBm / -86 dBm
Transmit Rate: 130
              MCS Index: 15
4. Macbook Pro + Airport Extreme with separate network. Macbook connected over 5Ghz on 36.1 channel
Card Type: AirPort Extreme (0x14E4, 0x10F)
          Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
          MAC Address: 20:c9:d0:7a:28:57
          Locale: RoW
          Country Code: BY
          Supported PHY Modes: 802.11 a/b/g/n
          Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140
          Wake On Wireless: Supported
          AirDrop: Supported
          Status: Connected
          Current Network Information:
            Gennadiy_Home_5G:
              PHY Mode: 802.11n
              BSSID: 90:72:40:1c:35:c5
              Channel: 36,1
              Country Code: BY
              Network Type: Infrastructure
              Security: WPA2 Personal
              Signal / Noise: -79 dBm / -86 dBm
              Transmit Rate: 81
              MCS Index: 4
As a result we have bad results in tests 2-4. Particularly upset that Airport Extreme loses Asus N66U on test results. If I change regional setting to RU (Russian), results does not change:
Card Type: AirPort Extreme (0x14E4, 0x10F)
          Firmware Version: Broadcom BCM43xx 1.0 (5.106.98.100.22)
          MAC Address: 20:c9:d0:7a:28:57
          Locale: RoW
          Country Code: RU
          Supported PHY Modes: 802.11 a/b/g/n
          Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, 60, 64, 132, 136, 140, 149, 153, 157, 161, 165
          Wake On Wireless: Supported
          AirDrop: Supported
          Status: Connected
          Current Network Information:
            Gennadiy_Home:
              PHY Mode: 802.11n
              BSSID: 90:72:40:1c:35:c4
              Channel: 11
              Country Code: RU
              Network Type: Infrastructure
              Security: WPA2 Personal
              Signal / Noise: -69 dBm / -86 dBm
              Transmit Rate: 130
              MCS Index: 15
Bob, how can you comment on these results?

How do I set upmy Imac to allow using both my computer speakers and a Bose SoundLink system as outputs at the same time. I can use one or the other, but not both.

how do I set up my Imac to allow using both my computer speakers and a Bose SoundLink system as outputs at the same time. I can use one or the other, but not both. From systems Preferences I must select one or the other. I want both to work all the time.

Hi,
I would recommend you to use 0FI_AP_4 rather using both, particularly for many reasons -
1. DS: 0FI_AP_4 replaces DataSource 0FI_AP_3 and still uses the same extraction structure. For more details refer to the OSS note 410797.
2. You can run the 0FI_AP_4 independent of any other FI datasources like 0FI_AR_4 and 0FI_GL_4 or even 0FI_GL_14. For more details refer to the OSS note: 551044.
3. Map the 0FI_AP_4 to DSO: 0FIAP_O03 (or create a Z one as per your requirement).
4. Load the same to a InfoCube (0FIAP_C03).
Hope this helps.
Thanks.
Nazeer

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