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Setting Up
There were 18 questions found in this category:
  1. Can I install and run RoboLab on Windows Vista?
    RoboLab 2.5.4* *RoboLab 2.5.4 has not been tested under the 64-bit version of Window Vista and it is unclear whether or not it will work correctly. It will work with the 32-bit version of Vista. Installation Problems: Installing RoboLab 2.5.4 on Windows Vista should be the same as installin...

  2. Can I use rechargeable batteries in the RCX?
    The short answer is yes. Alkalines are preferred, but you can use rechargeables. However, there are several disadvantages of which you should be aware. Disadvantages of Rechargeables: Most rechargeables, when fully charged, are only 1.2V instead of 1.5V. Thus, six batteries provide the RCX ...

  3. Does RoboLab run on Linux?
    Yes and No.RoboLab is only officially supported and tested on a the PC an Mac platforms. There is no official support for RoboLab running on Linux.However, some users have reported success in using RoboLab with both the NXT and the RCX (with USB tower) in Linux. The guidelines below are unofficial a...

  4. How do I change the background color in RoboLab Inventor?
    To change the Inventor background color, use the Paintbrush tool box. This tool box is located at the bottom of the Tools palette. Notice that there are two overlapping squares in the Paintbrush tool box. To change the background color, click on the lower right square, choose your desired color...

  5. How do I plug my RCX transmitter (tower) into my computer?
    There are two different types of transmitters, and depending on which one you have, it plugs into a different port on your computer.The USB IR transmitter is powered by USB and does not require a battery. It plugs into the USB port on your computer (the network symbol on the plug should face up, i...

  6. How do you build your own VI with inputs?
    As an example program, here is a VI that receives sensor readings from a motor sensor:The first step is to select only what you want to be in the VI. in this case, the user should be able to select which user containers were specified so user3 or user4 constants were not selected.Then choose Edit&nb...

  7. How does my RCX connect to my transmitter?
    The RCX communicates to the tower through infrared (IR) technology. There are no wires used to connect the RCX to the tower. However, there must be an uninterrupted field of vision to the "eye" located on the front of the RCX unit. You can tell when the RCX is communicating when you ...

  8. Is it possible to use the same VI to load programs on two different RCXs?
    The best way to use one load one VI onto multiple RCXs is to use multiple IR towers.  Wire in the advanced RCX start signs and make sure to wire in the correct port values: AGses

  9. My camera image is too bright/dark/red/etc. How do I change the camera settings?
    The camera settings probably are not set up well. 1. Open Vision Center (Project -> Vision Center). 2. Click on the Select Camera icon (a camera with a green arrow pointing to it).3. Click on the small white box at the bottom right of the window.4. Click on the icon that comes up at the righ...

  10. RoboLab Training Missions Download Error
    RoboLab Training Missions Download Error (version 2.5.2)If the error occurs in the Training Missions only and does not interfere with your ability to download programs in RoboLab, try the following:1. Locate the RoboLab folder on your machine where the program was installed.2. Copy (don't move! - l...

  11. What kind of batteries should I use in the RCX or NXT?
    - First of all, note that there are AC adapters available for both the RCX and NXT, so if you are building creations that can handle an electrical cord attachment, they can be powered by wall-unit electricity. - Recommended AA batteries are non-rechargeable alkaline batteries. Heavy duty carbo...

  12. Why am I having problems loading my program to my RCX?
    If you are getting this message it is because you are having trouble communicating between your tower and your RCX.Problems connecting to the tower include:If the green light on the tower is not on, then the tower is not transmitting to the RCX. Check which port the tower is configured to (using the...

  13. Why can't I load the new RoboLab 2.9 firmware onto my RCX?
    The RoboLab 2.9 firmware for the RCX is larger than the RoboLab 2.5.4 firmware, so it may take a greater number of attempts to load the 2.9 firmware onto the RCX. When you are downloading 2.9 firmware, try to block any ambient light that might disrupt the IR transmitter beam by turning off any o...

  14. Why can't I open my RoboLab program on other computers?
    Problem: ROBOLAB programs created on one computer will not open correctly on another machine.Cause: ROBOLAB not installedSolution: Install ROBOLAB on the computer, and you should be able to open .vi program files without a problem.Cause: incompatible versions of ROBOLAB Solution: Programs written...

  15. Why didn’t my RCX do what it was supposed to?
    If your program did something very strange or highly unexpected and you are sure that your code is correct, you might have had an error while loading your program. Make sure that you didn't press the program button by accident and put the program into the wrong slot.  It is also possible, espec...

  16. Why do I lose firmware every time I change the RCX batteries?
    Every time the RCX is without 9V of power (usually supplied by the batteries), the firmware might be lost or corrupted.  To prevent this from happening, try these ideas: - While changing batteries, first make sure to have new batteries nearby and ready to be inserted into the RCX. Next, ta...

  17. Why do my RCX sensors change values over long periods of time?
    Powered sensors are sensitive to the amount of charge left on the batteries.  Over long periods of time (hours) the amount of charge on the battery will change causing a slight drift in sensor readings. To avoid unreliable sensors over long time periods, use the wall plug for the RCX so that th...

  18. Why won't the RoboLab Internet Server connect over the internet?
    Problem: The RoboLab Internet Server will not connect over the internet, even if it works on a LAN.  Solution: By default, the RoboLab server is configured to use port 3239. Changing this value requires manually opening the default.prf file in a text editor and typing in a new value. ...


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