1. Make sure your sound card is AC'97 or Creative PCI Sound compatible or Sun-Tech Audio Box ST-AB 203.
2. The DirectX 9.0 or above has been installed.
3. Complete and verify the DLL system settings.
4. Make sure that appropriate recording source channel for the sound card is selected on both Teacher and Student side when Record button is clicked.
5. Confirm the correct and updated sound card driver is installed.
6. Make sure that your microphone is connected correctly.

Make sure the default directory for temporary files, C:\Temp has sufficient free disk space and allowed the logged-in account to write file in it. You may change the default directory in the System Setting window or dll.ini.

1. Make sure the capturing device is installed and updated driver has been used.
2. The capturing device includes a WDM driver.
3. The DirectX 9.0 or above has been installed.
4. The external AV source input and cabling has been well connected.
5. Check the DLL system settings

DLL supports the following file formats:
Audio file: wav, mp3, wma;
Video file: mpg, mpeg, dat, avi, wmv;
Project file: dlp

Change "TransPackSize" value in dll.ini to "8"

Yes, it is possible. However, it does not guaranteed that the XCLASS program can be run properly under different operating system platform environment

No. The XCLASS program is not required to run with any network server

All the teacher and student computers are linking up in a LAN environment. When the teacher conducts a lesson in the classroom, a lot of video or audio teaching materials will be sent to students or students will return their class work from teacher. Therefore, it is highly recommended to separate the classroom from the local network, so that the huge volume of packets of data can be restricted within the classroom. By the way, the use of high quality and stabilized switch instead of hub is very important for the connection of teacher and student computers.

Based on our XCLASS system design, the data will not pass to the other network even when they are connected with the other local network. Therefore, the network performance would not be slowed down. According to our experience, XCLASS is a really proven system, and the entire local network performance remain highly efficient as before.

The XCLASS Teacher program can support with single or dual monitor. The required monitor resolutions and colour settings of teacher computer are 1024x768 pixels with 16-bit true colour (recommended) or 800x600 pixels with 16-bit true colour.

The XCLASS Student program is designed for single monitor only. The required monitor resolutions and colour settings of student computer are 1024x768 pixels with 16-bit true colour (recommended) or 800x600 pixels with 16-bit true colour.

The same monitor resolutions and colour settings must be applied to both teacher and student computers for the XCLASS to function properly.

We are using a hardware key for the XCLASS license control that should be attached to the teacher computer's parallel port or USB port when XCLASS Teacher program starts running.

For the XCLASS Demo Version, we don’t need to have any hardware key. However, only a maximum of 4 students will be allowed to use.

For properly running the XCLASS audio functions, it is highly recommended to use AC'97 sound chip or Sound Blaster® compatible full duplex sound card and good quality microphones, headsets or speakers for both teacher and students.

It is noted that it is very important to adjust the sound card volume settings for both teacher and student computers.

1. Remove the remote control's battery cover and verify that the battery is correctly installed.
2. Ensure that the IR receiver is placed far away from the infrared port of Notebook or other infrared emitting sources. Disable the infrared port of Notebook if necessary.
3. Verify that the student remote ID is unique in the class.
4. Verify that no other emitter (e.g. TV remote) is in use at the same time.
5. Check the consistency of hardware versions of receiver and remotes.

1. Make sure that any two of PowerPoint, Answer Collection, Auto Marking and System Configuration are not in operation at the same time.
2. Verify that the cable is working.
3. Verify that the computer’s COM port is working.
4. Check the consistency of hardware versions of receiver and remotes.

Use a spare student remote control and reassign its Remote ID.

Use a spare teacher remote control or use the keyboard hotkeys to operate.

Ensure that “Q & A” option in “Answer Editor “of that question is selected instead of “Survey” option.

1. Ensure that the red light on IR receiver is on, which means that the receiver is powered up. .
2. Ensure that the USB-to-RS232 converter and corresponding driver are properly installed. Device drivers may be installed if the converter is plugged into a new USB slot.
3. Ensure that the port number of the COM port connecting the IR receiver is in the range from 1 to 6.
4. Verify that the cable is working
5. Verify that the computer’s COM port is working. You can test it with an external modem.
6. Check the consistency of hardware versions of receiver and remotes.

1. Check that the system is connected securely.
2. The video cable is damaged. Replace a new one.
3. Make sure the system is connected to the video input connector of the projector.
4. Make sure the projector is turned on.
5. Make sure the infrared transmitter has a direct line-of-sight with the infrared receiver of the projector.

1. Check that the speaker components are connected securely.
2. Make sure that you have selected the correct sound source on the system.
3. Make sure that you have not selected “Mute” from the XCLASS software interface.
4. The protective device on the system has been activated after a short circuit. Turn off the system to clear the short-circuit problem and turn on the power again.
5. The audio connecting cord is damaged. Replace a new one.

1. Check that the speaker components are connected securely.
2. Check that the sound cords are away from a transformer or motor, and at least 3 meters away from a TV set or fluorescent light.
3. The plugs and jacks are dirty. Wipe them with a cloth slightly moistened with alcohol.

1. Check that the serial (RS-232) cable and PRO-ONE are connected securely.
2. Check that the serial (RS-232) cable and “Teacher PC” are connected securely.

1. Check that the serial (RS-232) cable is connected to COM1 on Teacher PC.
2. Check that the serial port on Teacher PC is enabled in the BIOS setup menu.
3. Make sure you have programmed PRO-ONE to use the infrared code of that specific AV equipment. (please refer to the learning procedure on page 20)

The projector may not be placed correctly, which causes part of the projected image spread out of the electronic whiteboard screen.

You can only write in the drawing mode; make sure the pen is as vertical to the board as possible.

Click on the whiteboard icon on the tray to activate the popup menu. Then click the "Exit" menu item.

It depends on the types of battery used. Regular usage of the pen lasts for about half a year.

The projection may look like a trapezoid:
If the front is high and the rear is low;
or if the front is low and the rear is high.

For some projectors, the correction can be done by using the keystone button with the remote controller or by lifting the position of the projector.

You can use any kinds of projector that can project computer images on the whiteboard, ranging from high-resolution LCD projectors to relatively economical LCD projectors. Bear in mind the resolution of the projector must support the computer's resolution and it should have light power of 650ANSL.

Both laptop computers and desktop computers can be upgraded by adding extra serial ports. For a desktop computer. simply add a serial port card to an unused slot. For a laptop computer, install a PCMCIA serial port card.

You can use any 25- 9– pin serial port tips available at local computer stores.

Generally, the whiteboard only requires an adjustment if it is permanently located at one place.
Adjustments are only required if the whiteboard and projector have been relocated/ repositioned to a different room.

Apply alcohol to a wiping cloth and wipe the ink off the board gently. It is recommended to use water-soluble/ water-based marker pens to write.
NOTE: Do not use permanent, waterproof, oil-based marker pens to write on the whiteboard.

Wipe the surface with a slightly dampened wiping cloth.