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Ultra-Portable Greenhouse Gas Analyzer (UGGA) User Manual Model 915-0011 Model 912-0032 Los Gatos Research 67 East Evelyn Avenue, Suite 3 Mountain View, CA 94041 Fax: 650-965-7074 www.lgrinc.com Document No. 915- U011 Revision 0003 Release Date 7/31/2015...
Table of Contents 1 System Overview ....................... 5 Standard Components ........................5 Optional Components ........................5 Data Interface Connection ......................7 Electrical Power Connection ......................9 Gas Inlet/Outlet Connections ......................10 2 Set Up the Analyzer ......................11 Initialize the Analyzer ........................11 3 Run the Analyzer ......................14 Main Panel ................................
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Router Modes ..........................38 Configure the Router for Wireless Router Mode ....................39 Configure the Router for Access Point Mode ..................... 40 Configure the Router for Client Bridge Mode ..................... 41 Set Up VNC Software on Android Devices ..................48 Set up VNC Software on iOS Devices .....................
System Overview 1 System Overview Standard Components This section lists the standard components for the Ultra-Portable Greenhouse Gas Analyzer (UGGA). Verify that you received all standard components and any optional components before you begin the installation. The standard components are: ...
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System Overview The wireless user interface will not work if: The analyzer has a system failure The hard drive fails or is corrupted Warning Battery power to the analyzer is interrupted If any of these failures occur, you will need a mouse, keyboard and monitor to restart the analyzer.
System Overview Data Interface Connection Connect the UGGA data interface connection ports on the right side panel of the UGGA (see Figures 2 and 3). USB port: Used for transferring data to a USB memory devices, or to connect a USB keyboard and mouse.
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System Overview Figure 4 shows the analog output connector and pin assignments for the connector. Figure 4: Analog Output Connector Table 1 describes the pin assignments. Table 1: D Sub Pins and Pin Assignments D Sub Pins Pin Assignment Output Voltage Signal 0-5 Volts...
System Overview Electrical Power Connection The electrical power ports are on the left side panel (Figure 5). The analyzer can be powered two ways: Using the AC/DC power supply to the DC power inlet. Using the battery hook-up kit. The battery voltage must be in the range of 10-30 volts DC, and has a continuous discharge rate to power 80 watts (or higher).
System Overview Gas Inlet/Outlet Connections The gas inlet and outlet ports are on the left side panel (Figure 6). During normal operation the: Gas to be measured is connected to the inlet port (1/4” push-connect) Waste port (1/4” push-connect) must be open and may either be may be either: ...
Set Up the Analyzer 2 Set Up the Analyzer This section explains how to set up the analyzer. The wireless interface will not work if: The analyzer has a system failure NOTE The hard drive fails or is corrupted ...
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Set Up the Analyzer The Launch Service screen (Figure 8) displays. 2. Click on the GGA button. If you do not make selection within 60 seconds the analyzer automatically initializes. Figure 8: Launch Service Screen UGGA User Manual...
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Set Up the Analyzer 3. Click on the Service button to display the Auto Launch screen (see Figure 9). Use the Auto Launch window to: Change Auto Launch settings. Transfer files to a USB device. Restore the analyzer’s factory settings. Figure 9: Auto Launch Screen LGR recommends running up the analyzer for 1 hour before collecting data, to...
Run the Analyzer 3 Run the Analyzer Main Panel After the control software launches, the Main Panel is displayed. The User Interface Control Bar (Figure 10) is at the bottom of the NUMERIC Display (Figure 11). User Interface Control Bar Use this panel to operate the analyzer.
Run the Analyzer Main Panel Displays Click the Display button to change the display in the Main Panel. Clicking the Display button multiple times lets you cycle through the three main panel displays. When the analyzer is launched, it defaults to the Numeric Display. The three displays within the display function are: ...
Run the Analyzer Spectrum Display Click the Display button on the User Interface Control Bar to switch to Spectrum Display. The spectrum display shows the laser transmission through the measurement cell. The Spectrum Display consists of two plots. Figure 12 shows the spectrum display for Laser 1. ...
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Run the Analyzer Laser 2: CO Spectrum Figure 13 shows the CO2 spectrum display for laser 2. Figure 13: Main Panel in Spectrum Display for Laser 2 UGGA User Manual...
Run the Analyzer TimeChart Display 1. Click the Display button on the User Interface Control Bar to switch to TimeChart display. Figure 14 shows the Time Chart with a continuous flow of CH O and CO . A 10-point running average (in black) is shown going through the raw data (shown in color). 2.
Run the Analyzer Rate Control You can change the rate at which data is written to the log file: Click on Rate button (clock icon) on the User Interface Control Bar (Figure 10). The Data Rate Control Adjustment screen appears (Figure 15). Data is acquired at 1 Hz rate and averaged for a selected interval (1 to 100 seconds) before being written to the data file and plotted on the time-chart.
Run the Analyzer File Transfer Menu Click on the Files button in the User Interface Control Bar (Figure 10) to access the File Transfer Screen (Figure 16). Use the File Transfer menu to access data collected by the analyzer. Each time the analyzer is re-started, the most recent file name is displayed in the form of: gga20140612_f0001.txt, where the: ...
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Run the Analyzer The Time column reports the time stamp of each recorded measurement; its format is set in the File Settings menu of the Setup panel (see Figure 22). This table also shows data for: (permil) O (permil) ...
Run the Analyzer Transfer Data Files To transfer data files from the analyzer hard disk to a USB storage device: 1. Insert a USB storage device into a USB port. 2. Click on the Mount USB button. (Figure 17). 3. Transfer data files from the analyzer hard disk to a USB storage device by dragging and dropping the files from the hard disk pane to the USB device pane.
Run the Analyzer Archived Files The internal drive directory (Figure 18 left pane) contains archive and daily directories. Archive directories contain compressed files that the analyzer generates daily (Figure 18). Each file is a single zip archive that contains all the data files recorded on a given day named using the following convention: ddMMYYYY.zip A new directory is created every day that the analyzer operates.
Run the Analyzer File Transfer Error Message The File Transfer Error screen (Figure 19) displays when: You forgot to insert a USB device. The analyzer does not recognize device. The device is full. You may try again with a correctly inserted USB device. Figure 19: File Transfer Error Message UGGA User Manual...
Run the Analyzer Setup Panel The Setup menu has function tabs at the top of the screen that allows you to configure the analyzer and access service mode. These tabs let you: Manage file saving settings. Adjust the current time/date settings. ...
Run the Analyzer Time/Files Tab The Time/Files tab (Figure 22) lets you adjust the timestamp format of the data files and the new file creation interval (when running continuously). The available timestamp formats are shown below in Table 2. Table 2: Available Time Stamp Formats. Time Stamp Format Absolute Local American...
Run the Analyzer Clock Set Panel The Clock Set panel (Figure 22) lets you adjust the current time and date settings of the analyzer. The time zone and daylight savings enable/disable may also be set here. Figure 22: Time File Settings Menu Functions Serial Output Menu The Serial Output Menu (Figure 22) lets you change how the data reported at the RS-232 port is configured.
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Run the Analyzer Analog Out Menu The Analog Out Menu is displayed on the Time/Files panel (see Figure 22). Use this menu to configure the Analog Out port. This port has a 16-bit voltage range from 0 to 5 volts ...
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Run the Analyzer Calibration Tab Los Gatos Research recommends periodic referencing rather than calibration to ensure measurement accuracy and consistency. The frequency of reference measurements depends on the accuracy you require and by the environment in which the analyzer operates. When calibration is necessary, follow this procedure.
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Run the Analyzer Calibration Procedure 1. Connect reference gas supply to inlet on side of analyzer (Figure 6). 2. From the Setup Menu, select the Calibration tab (Figure 24). 3. In Reference Gas Settings, select the checkbox next to the gas you wish to calibrate. 4.
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Run the Analyzer 8. The analyzer performs these steps and displays messages in the Calibration panel to update you on the status of the calibration. Figure 23 shows the calibration messages in the order they are displayed. a. The analyzer equilibrates the reference gas. b.
Run the Analyzer Note on Mirror Ring-Down Time The analyzer’s mirrors are protected from contamination by an inlet filter, but with continued use the mirrors gradually decline in reflectivity. This does not create significant error in the gas mixing ratio measurement because the mirror reflectivity is continually monitored, and the measurement is compensated for using the mirror ring-down time.
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Run the Analyzer Manually Adjust the Laser Offset 1. From the Setup menu, select the Laser Adjust tab. 2. Select the Disable Laser Frequency Lock check box to allow manual control of the laser. 3. Adjust the laser A voltage using the arrow buttons to shift the peaks of H O and CH absorption features (top plot) until it is centered on their respective target lines.
Run the Analyzer Manifold Menu for Multi-Port Inlet Unit-MIU Tab (Optional) The Multi-Port Inlet Unit (MIU) automatically switches the analyzer’s gas sources between 8 or 16 valves (depending on the ordered configuration). This panel (F gure 28) configures the control of the MIU if present. ...
Run the Analyzer Shut Down the Analyzer 1. Click the Exit button on the User Interface Control Bar (Figure 10). 2. In the Shutdown prompt, verify that you want to shut down the analyzer by clicking OK (Figure 29). When you click OK, the analyzer halts data acquisition and saves the current data file. Figure 29: Shutdown Prompt UGGA User Manual...
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Run the Analyzer 3. When the You may turn off the instrument message (Figure 30) displays, you can safely turn off the analyzer using the power switch on the front panel of the analyzer. Failure to wait for the final You may turn off the instrument message before shutting off power to the analyzer may result in file system instability.
Maintenance 4 Maintenance Daily Operation Checklist Table 3 describes maintenance tasks that must be performed on a regular basis to keep the analyzer operating smoothly. Table 3: Maintenance Checklist Frequency Task Display the Spectrum screen and verify that the spectrum is correct. The Every 1 –...
Wireless Router Setup 5 Wireless Router Setup The LGR Analyzer can be ordered with an optional ZyXEL portable wireless router. If you ordered the wireless router option, it is factory installed on the back of the analyzer. This section explains how to configure the wireless router to connect other devices to the analyzer.
Wireless Router Setup Configure the Router for Wireless Router Mode To configure the wireless router for wireless Router Mode, slide the mode switch on the router to the Router (Figure 31). Figure 31: Switch On Wireless Router (Set to Wireless Router Mode) Figure 32 shows a wireless router configuration.
Wireless Router Setup Configure the Router for Access Point Mode To configure the wireless router for Access Point mode, slide the mode switch on the router to the AP position (See Figure 33). Figure 33: Switch on Wireless Router Set to AP Mode Figure 34 shows a router in AP mode that connects wired and wireless devices to the analyzer.
Wireless Router Setup Configure the Router for Client Bridge Mode To configure the wireless router for Client Bridge mode, slide the mode switch to the AP position (Figure 35). Figure 35: Switch On Wireless Router Set to AP for Client Bridge Mode Figure 36 shows a router in Client Bridge mode.
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Wireless Router Setup Set Up the Client Bridge Mode Configuration 1. Connect the computer to the wireless router using a standard Ethernet cable (wired) connection. 2. Manually set a static IP address for the computer, by following the steps below for the appropriate operating system.
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Wireless Router Setup Changing Your Computer Back to NDS After setting up the Router, change your computer back to the way it was: In Windows, change the setting to get an IP Address and a DNS Server Address Automatically. ...
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Wireless Router Setup 6. On the left side of the screen, click on Wireless>Basic Settings (Figure 39). Figure 39: ZyXEL Wireless>Basic Settings Screen 7. Change the wireless mode from AP to Client, then click Apply at the bottom of the page (Figure 40).
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Wireless Router Setup Figure 42: Wireless > Site Survey Screen 10. Click on Site Survey to bring up a list of local wireless networks (Figure 43). 11. Select the bubble to the right of your network. 12. Click Next at the bottom of the page. Figure 43: List of Local Wireless Networks UGGA User Manual...
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Wireless Router Setup The Wireless Site Survey dialog appears (Figure 44). 13. Input the security settings of your wireless router. Figure 44: Wireless Site Survey Security Settings Screen 14. Click Connect. The Connect successfully message appears (Figure 45). Figure 45: Connected Successfully Message Screen UGGA User Manual...
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Wireless Router Setup Complete the Setup 1. Close your browser window and change your computer back to NDS. 2. Connect the analyzer to the LAN port of the ZyXEL router. The router connects to your main wireless router through the bridge you created. To connect your wired and wireless devices to control the analyzer, install VNC (virtual network client) software on the device (See Appendix D).
Wireless Router Setup Set Up VNC Software on Android Devices 1. On the Android device, go to Settings>WiFi>Connect to Wireless Network. 2. Connect to the wireless SSID network: Enter the ZyXEL wireless router (in this case, ZyXEL- 0335CB) as shown in Figure 46. For ultraportable analyzers, the ZyXEL wireless router is inside the analyzer and may be accessed by opening the case.
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Wireless Router Setup 5. Click Connect (Figure 47). Figure 47: Password Connection Screen 6. A verification message appears showing that the Android device is connected to the router (Figure 48). Figure 48: Connectivity Confirmation Screen 7. Ensure that the IP address of the Android device is correct by holding your finger down on the network connection icon.
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Wireless Router Setup Figure 49: Android-vnc-viewer Install Screen 9. Open the VNC application on the Android device by clicking on the VNC application icon (Figure 50). Figure 50: VNC Application Icon 10. The Android VNC screen appears (Figure 51). Figure 51: VNC Application Installation Setup Screen UGGA User Manual...
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Wireless Router Setup 11. In the Address field, type the correct address of the analyzer (either be 192.168.100.100 or 192.168.100.101) that you recorded in in Step 7; the IP Address of the analyzer will be whichever address the Android device is not. For example, if the IP address of the Android device that was displayed in Step 7 is 192.168.100.101, then the IP address of the analyzer will be 192.168.100.100.
Wireless Router Setup Set up VNC Software on iOS Devices 1. On the iOS device (iPad, iPhone, etc.), go to Settings>WiFi>Connect to Wireless Network. 2. Connect to the wireless SSID network listed on the router sticker, in this case, ZyXEL-0335CB (Figure 53). The ZyXEL Wireless Router is installed inside the analyzer and may be accessed by opening the case.
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Wireless Router Setup The Enter Password screen appears (Figure 55). 4. In the Password field, enter the wireless password on the sticker on the router, in this case, B08CDB18, and click Join. Figure 55: Router Connection Screen The Network Connections screen (Figure 56) confirms that the iOS device is connected to the router.
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Wireless Router Setup 6. Install VNC software/connect with VNC software by searching and installing it from the App store. Mocha VNC Lite for iOS is the software used in this example (Figure 58). Internet connection is required for this step. Complete instructions for installing Mocha VNC Lite for iOS can be found online NOTE at: http://www.mochasoft.dk/iphone_vnc_help2/help.htm.
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Wireless Router Setup 9. Enter the analyzer’s address in the VNC server address field (192.168.100.100 or 192.168.100.101), from Step 6. The IP address of the analyzer is whichever address the device is not. For example, if the IP address of the device that was displayed in Step 6 is 192.168.100.101, then the IP address of the analyzer will be 192.168.100.100.
Wireless Router Setup Set Up VNC Software on Windows Devices 1. On your Windows device, open wireless router options. 2. Locate the sticker on the router as pictured below (Figure 63). Figure 63: Wireless Router Sticker 3. Click on the Wireless Network Connections icon in the bottom left part of the screen (Figure 64) to open the Windows Wireless Networks dialog (Figure 65).
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Wireless Router Setup Figure 65: Windows Wireless Networks 4. Select the SSID network number listed on the router sticker, in this case ZyXEL-0335CB (Figure 64 and Figure 65) to display the Connect to a Network dialog. 5. In the Security key field, type in the wireless password. (Figure 66) 6.
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Wireless Router Setup The Connection Status dialog displays (Figure 67). Figure 67: Current Connectivity Screen 7. Check the connection to make sure the device is connected through the Wireless Router by selecting Router (Figure 68). Figure 68: Wireless Network Connection Screen UGGA User Manual...
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Wireless Router Setup 8. Check the IP address of the Windows device: a. Right click on the ZyXEL-0335CB network connection. b. Click on Status (Figure 69) Figure 69: Current Connectivity Screen UGGA User Manual...
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Wireless Router Setup The Wireless Network Connection Status dialog displays (Figure 70). Figure 70: Wireless Network Connection Status Window UGGA User Manual...
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Wireless Router Setup 9. Click on the Details button to display the Network Connection Details window (Figure 71). Check the IP Address of the Windows device, which in this case, is 192.168.100.101. Figure 71: Network Connection Details Window 10. Check the Ipv4 Address of the Windows device, which should be either 192.168.100.100 or 192.168.100.101;...
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Wireless Router Setup 13. Open the program by clicking on the Connect button (Figure 72). Figure 72: Real VNC Viewer Installation Screen 14. Enter the IP address of the analyzer (192.168.100.100 or 192.168.100.101).In the example in Step 10, the IP address of the Windows device is 192.168.100.101, therefore, the IP address of the analyzer is 192.168.100.100 and therefore, 192.168.100.100 must be entered into the VNC server address field (and vice-versa).
About Gas Analyzers Appendix A: About Gas Analyzers and Laser Absorption Spectroscopy Conventional Laser Absorption Spectroscopy For gas measurements based on conventional laser-absorption spectroscopy (see 73), a laser beam is directed through a sample and the mixing ratio (or mole fraction) of a gas is determined from the measured absorption using Beer’s Law, which may be expressed: Where: ...
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About Gas Analyzers Integration of the measured spectra with the measured values of: Gas temperature Gas pressure Path length Line strength of the probed transition Lets you determine the mole fraction directly from the relation: Use this equation to determine gas concentrations, even in hostile environments without using calibration gases or reference standards.
About Gas Analyzers LGR’s Off-Axis Integrated-Cavity Output Spectroscopy (Off-Axis ICOS) Off-Axis ICOS uses a high-finesse optical cavity as an absorption cell as shown in Figure 74. Unlike multi-pass detectors, which are typically limited to path lengths of less than two-hundred meters, an Off-Axis ICOS absorption cell effectively traps the laser photon so that, on average, they make thousands of passes before leaving the cell.
Accessing Data Using the Internet Appendix B: Accessing Data Using an Ethernet Connection Appendix B explains how to access the analyzer data directory as a Windows Share using an Ethernet connection on a local area network (LAN). The data files stored on the internal hard disk drive of the analyzer can be accessed as a Windows Share over a Local Area Network (LAN) Ethernet connection.
Accessing Data Using the Internet Additional Notes The analyzer shared data directory may not be visible by browsing for it in Windows Network Neighborhood. If it is, it is in the LGR workgroup. The computer name will be LGR-XX-XXXX, where XX-XXXX is the analyzer serial number.
Multi-Port Inlet Unit Appendix C: Multi-port Inlet Unit (Optional) The Multiport Inlet Unit (MIU) lets the analyzer switch automatically between various inlets to sample different unknowns in several locations as well as sampling different references. The unit contains a manifold of digitally controlled valves which are programmed to allow any one of the input ports to be directed to the analyzer inlet port.
Multi-Port Inlet Unit Figure 76 shows the MIU back panel. The MIU inlet ports are labeled numerically on the back panel of the MIU. The outlet port connects to the gas inlet on the analyzer. The included 25-pin control cable connects the analyzer to the MIU. An additional power cable is included to power the MIU.
Multi-Port Inlet Unit Controlling the MIU Using the Gas Manifold Control Screen Figure 77 shows the Gas Manifold Control Screen for the MIU not yet enabled. Figure 77: Gas Manifold Control Screen for the MIU, not yet enabled. Figure 78 shows the Gas Manifold Control Screen for the MIU enabled and active. You can configure: ...
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Multi-Port Inlet Unit 4. Enable the MIU Enable box to specify whether the MIU is being used. 5. Enable the check box for Start with reference gas valve sequence if you want to run your reference gasses first. The number of times to run the unknown gas sequence for each reference gas sequence can also be set.
Optional Items Appendix D: Optional Items This section describes the optional items available for your ultra-portable analyzer. For prices and availability, please contact please contact LGR (650-965-7772 or support@lgrinc.com). If you have not received all of the items you ordered, please contact LGR at 650-965-7772 or support@lgrinc.com).
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Optional Items Figure 81: Optional Tablet Wireless Interface for Google Nexus 7 (915-9002-0000) and iPad (915-9001-0000) Figure 82: Ultra-Portable Field Backpack(915-9500-0000) UGGA User Manual...
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Optional Items Figure 83: Battery Hook-Up Kit for Lead –Acid Batteries (915-9200-0000) Figure 84: External Filter Replacement Kit Figure 85: Replacement Fuse for the Auto Cigarette Lighter and Analyzer (915-9300-0000) UGGA User Manual...
Warranty 6 Warranty Warranty Details Each Los Gatos Research Inc. (LGR) analyzer is warranted by LGR to be free from defects in material and workmanship; however, LGR’s sole obligation under this warranty shall be to repair or replace any part of the analyzer which LGR’s examination discloses to have been defective in material or workmanship without charge and only under the following conditions, which are: 1.
Warranty Warranty Returns If your product is defective, you may return it during its designated warranty period for a prompt exchange or repair. To return a product, please contact one of our sales representatives at sales@lgrinc.com to request a Return Material Authorization (RMA) number. Requests for refunds and exchanges cannot be processed without a valid RMA number.
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Index Index Operation Regular maintenance · ..........37 Accessing Data Using an Ethernet Connection · ........66 Android Wireless Devices Parameter Window · ............14 Setting up for use · ............48 Returns · ................87 Calibration Menu · ............29 Configuration for Access Point Mode ·...
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Access Point Mode configuration · 40 Client Bridge Mode configuration · 41 Warranty · 86 Client Bridge Mode description · 38 Return Material Authorization · 87 Setting up Devices for use with · 47 Windows Wireless Devices Windows setup · 56 Setting up for use ·...
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