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Berkeley Varitronics Systems Wi-Fi Power Analyzer Manual

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Wi-Fi Power Analyzer
manual version 2.2

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Summary of Contents for Berkeley Varitronics Systems Wi-Fi Power Analyzer

  • Page 1 Wi-Fi Power Analyzer manual version 2.2...

  • Page 2: Table Of Contents

    Wi-Fi Power Analyzer OPTIONAL SOFTWARE OPERATION............8 PC SOFTWARE INSTALLATION SCREEN COMPONENTS PLAY, RECORD and MISCELLANEOUS CONTROLS RECORDING Wi-Fi Power Analyzer MEASUREMENT DATA PLAYBACK OF RECORDED Wi-Fi Power Analyzer DATA DISK FILES SPECIAL REPLAY SWITCHES TROUBLE SHOOTING BATTERY TIPS......................27 NETWORKING BASICS....................28 GLOSSARY OF ACRONYMS....................

  • Page 3: Wi-Fi Power Analyzer Hardware Operation

    Wi-Fi Power Analyzer connects to access points through it’s SMA male connector. An adapter kit is included to ensure compatibility with many access points. Wi-Fi Power Analyzer is powered on and off through its green rocker switch. Wi-Fi Power Analyzer operation is all done through 4-button keypad.

  • Page 4: Led Status Indicators

    At the top of the Wi-Fi Power Analyzer rest the power switch and antenna connector. The power switch is a simple two way toggle switch. The antenna connec- tor (middle) is an SMA Female 50 ohm. The provided antenna easily screws and unscrews from this connec- tor.

  • Page 5: Startup Screen/Unit Data

    The unit is now ready to resume use. STARTUP SCREEN / UNIT DATA When the user powers up the Wi-Fi Power Analyzer, this screen will appear briefly. The STARTUP SCREEN is followed by the MAIN MENU. This screen can be accessed anytime through the UNIT DATA screen.

  • Page 6: Scan Both Bands

    SCAN BOTH BANDS (802.11b and 802.11a) Selected from the main menu, this measurement scans through all 802.11b and 802.11a channels and displays the resulting dBm vs. channel on an easy to read graph or in large text characters. Access the text measurement display option anytime by pressing the LEFT ARROW button.

  • Page 7: Channel Power

    CHANNEL POWER The channel power measurement displays the power of the channel found by SCAN BAND or a channel selected by the operator. Use this measurement to identify an AP or NIC that is not transmitting at the correct power level.

  • Page 8: Select Channel

    This Power Profile is an example of a poor or “wireless” connection to the measured access point. Basic AP verification can be made by placing the Wi-Fi Power Analyzer closely to the AP’s antenna tip but for the most accurate measurements, ALWAYS connect directly to the access point using the supplied SMA connector kit.

  • Page 9: Wi-Fi Power Analyzer Optional Software Operation

    Wi-Fi Power Analyzer Manual For v1.20 PC Software (optional) Software Installation USB Driver BEFORE installing the PC software, the USB driver for the Wi-Fi Power Analyzer must be installed. To install the USB driver: Turn OFF the target PC. Connect the supplied USB cable to the Wi-Fi Power Analyzer and turn on the Wi-Fi Power Analyzer.
  • Page 10 Figure 2 Click the “Next>” button on the wizard in figure 2 (make sure the first radio button is on, Recommended). Figure 3 Click the “Continue Anyway” button when the wizard in figure 3 is displayed. Page 9...
  • Page 11 Figure 4 The USB driver software will be installed as shown in the wizard in figure 4. Figure 5 Page 10...

  • Page 12: Pc Software Installation

    When the wizard in figure 5 is displayed, click the “Finish” button. This completes the USB driver installation. Next, the PC software must be installed. PC Software Double click the program Wi-Fi Power AnalyzerSetup.exe on the supplied CD. Click the Next button for the dialogs displayed and then the Finish button.
  • Page 13 Click the “Next>” button for the screen in figure 8. Figure 8 Exit all programs as suggested and click the “Next>” button for figure 9. Figure 9 Do as requested and click the “Next>” button for figure 10. Page 12...
  • Page 14 Figure 10 Modify the Destination if desired and click “Next>” for figure 11. Figure 11 Modify the Program Folder if desired and click “Next>” for figure 12. Page 13...
  • Page 15 Figure 12 Click “Next>” for figure 13. Figure 13 Close the figure 13 screen by clicking the X button. The screen in figure 14 is then displayed. Page 14...
  • Page 16 Figure 14 Click the “Finish”” button. The Wi-Fi Power Analyzer PC software is installed on the target com- puter and ready for use. Run the PC application by double clicking the icon in figure 15. Figure 15 Page 15...
  • Page 17 Figure 16 If the screen in Figure 16 is displayed, the Wi-Fi Power Analyzer is connected to the PC via USB (note the Green LED to the right of the USB Port symbol in the File Status Box), but the Wi-Fi Power Analyzer is not sending data (also note that the button above the contrast adjust slide bar indicates “Send Data is OFF”.
  • Page 18 Figure 17 The screen in figure 17 is an example of the Wi-Fi Power Analyzer software display for the selected measurement, Low Band Scan without unit data. If the response to double clicking the icon in figure 6 is the dialog in figure 18, click the “OK” but- ton and the screen in figure 19 will be displayed.
  • Page 19 TROUBLE SHOOTING IS REQUIRED To get the required unit data from the Wi-Fi Power Analyzer, click the “Get Unit Data” button and the unit data will be retrieved. The PC screen will be updated as in figure 20. Unit data is required when recording data or in the event it is necessary to contact the factory.

  • Page 20: Screen Components

    Wi-Fi Power Analyzer Controls Figure 21 Click the “Send Data” button to turn on and off the Wi-Fi Power Analyzer data. The current status is indicated on the button face (ON or OFF). Sliding the Adjust Contrast slider control has the same effect as adjusting the Wi-Fi Power Analyzer...
  • Page 21 LCD contrast using the Selection Menu “Adjust Contrast” function. When unit data is acquired from the Wi-Fi Power Analyzer, this control is set to the setting of the Wi-Fi Power Analyzer. Use the Remote Keypad keys to simulate pressing the Wi-Fi Power Analyzer keypad. Clicking the UP, Select, Down or Enter remote key has the same effect as pressing the same key on the Wi-Fi Power Analyzer.
  • Page 22 Figure 23 dBm data from all of the Wi-Fi Power Analyzer measurements is displayed in a bar graph as in figure 23. The Y axis is scaled by dBm while the X axis displays the frequency in MHz for each bar.

  • Page 23: Play, Record And Miscellaneous Controls

    PLAY, RECORD and MISCELLANEOUS CONTROLS Figure 24 Click the Frequency Display Threshold up-down control to adjust the dBm value used to display a frequency on the X axis of the graph. The setting of this control has no effect on data being record- ed, only on the data being displayed by the graph.

  • Page 24: Recording Wi-Fi Power Analyzer Measurement Data

    Enter a file name (without extension or period) in the File name edit box. Use the “Save in” control to select a folder to put the data file in. All Wi-Fi Power Analyzer data files in the selected folder are displayed (extension = .cpd). DO NOT pick an existing file as it will be overwritten with new data.

  • Page 25: Playback Of Recorded Wi-Fi Power Analyzer Data Disk Files

    PAUSE switches have no effect while the RECORD LED is ON. Figure 27 PLAYBACK OF RECORDED Wi-Fi Power Analyzer DATA DISK FILES To play a recorded Wi-Fi Power Analyzer data file, click the PLAY switch and the dialog in figure 28 will be displayed. Select Replay File Dialog Figure 28 Pick the file to playback by clicking its name.

  • Page 26: Special Replay Switches

    Click the PLAY or STOP switch to stop the current replay. The application will reconnect to the USB and real time data displayed as before. If a Wi-Fi Power Analyzer is NOT connected to the PC, the application can still be used to play recorded data files.
  • Page 27 If the figure 30 message box appears, the Wi-Fi Power Analyzer did no respond to a command request from the PC. Possible requests are Send data on/off, Unit data, Remote keypad or the Contrast slider. Check that the Wi-Fi Power Analyzer is ON, batteries are not low and the USB con- nection is intact.

  • Page 28: Battery Tips

    BATTERY TIPS 1. Ni-MH batteries do not charge to full capacity the first time they are charged. 2. Ni-MH batteries do not charge to full capacity the first time they are charged after a long period of inac- tivity. or after a long period of non-use. Cause: When charging Ni-MH batteries for the first time after long-term storage, deactivation of reactants may lead to increased battery voltage and decreased capacity, (which causes premature termination of charg-...

  • Page 29: Networking Basics

    Networking Basics Packets and traffic Information travels across a network in chunks called “packets.” Each packet has a header that tells where the packet is from and where it’s going, similar to what you write on the envelope when you send a letter. The flow of all these packets on the network is called “traffic.”...
  • Page 30 Server maintains a list of domain names and their corresponding addresses. This is why you can go to Berkeley’s Web site by entering www.bvsystems.com, instead of the IP address. Networking Terms: TCP/IP (Transport Control Protocol/Internet Protocol) TCP/IP is a collection of protocols that underlies almost every form of communication on the Internet. DHCP (Dynamic Host Control Protocol) DHCP is a method of automatically assigning IP addresses.

  • Page 31: Glossary Of Acronyms

    Glossary of Acronyms Alternating Current Analog to Digital converter Automatic Gain Control Access Point Applet a small Application Bit Error Rate BPSK Binary Phase Shift Keying Basic Service Set Band Width CDMA Code Division Multiple Access (spread spectrum modulation) Direct Current Digital to Analog decibel decibels referenced to 1 milliwatt...

  • Page 32: General Safety

    IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric shock and injury to persons, including the following: 1)Read and understand all instructions. 2)Follow all warnings and instructions marked on the product. 3)Unplug this product from the wall outlet before cleaning.
  • Page 33 uct. C) If the product has been exposed to rain or water. D) If the product does not operate normally by following the operating instructions. Adjust only those con- trols, that are covered by the operating instructions because improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.

  • Page 34: Acccess Point Connector Guide

    Access Point Connector Guide Page 33...
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