Certified Technology Specialist (CTS) Practice Exam

If AV equipment is operating correctly but the touch screen remains unresponsive, what should be investigated next?

1. Software updates

2. Connectivity issues

3. Touch screen calibration

4. Temperature of the device

The correct answer is: Connectivity issues

When a touch screen is unresponsive despite the AV equipment operating correctly, investigating connectivity issues is a logical next step. Touch screen interfaces typically rely on both hardware connections and software communication with the device they control. If there are issues with connectivity, such as loose cables, poor signal quality, or malfunctioning input connections, the touch screen may not be able to communicate effectively with the AV system. In some instances, connectivity issues might arise from the underlying infrastructure, such as network problems or poor integration with other AV components, leading to an unresponsive control interface. Assessing these connections can help determine whether the issue lies in the physical setup or the interaction between the devices, enabling more targeted troubleshooting and resolution. The other options may also be valid considerations but are less immediate in this context. For instance, software updates might be needed, but if the AV equipment is already functioning, this is less likely to be the source of the unresponsiveness. Touch screen calibration could be an issue, but typically, if the screen is completely unresponsive, it points more towards connectivity. Lastly, while temperature could potentially affect device performance, it is less likely to be the first issue to address when dealing with a specific control interface that is not responding.