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GN 502-3 USB_NA
10/7/04
USB Audio Device should be listed. Also select Universal Serial Bus Controllers.
USB Composite Device should be listed. If not unplug and replug the device. Reboot your
computer.
Why is there no sound output from the headset?
• Increase the volume using the in-line volume control.
• Adjust the audio source's volume control (computer/application control panel), or adjust
the output level on other audio playback devices.
• Verify that the headset and all connectors are properly plugged into the correct ports. With
a PC, the headset can be plugged into any port. With a Mac, you may plug your device into
a USB port on your PC or PC's keyboard. However, if you plug your device into the PC's
keyboard, make sure the keyboard is plugged into the PC's USB port number 1.
Why is there no sound input from the microphone?
• Ensure that the microphone isn't in mute mode (the mute switch must be off), and that
the volume setting for these devices is at least at the halfway point.
• Adjust the microphone volume settings of the target audio device (computer/application
control panel), or adjust the input level on other audio recording devices.
• Verify that the headset and all connectors are properly plugged into the correct ports.
Why is the sound recording quality so low?
• The minimum sampling rate for optimal microphone recording is 22,050Hz, 16 Bit, Mono.
If needed, change the Properties of your computer's operating system to achieve this
sampling rate. Refer to your operating system's user guide of Help section to change the
sampling rate.
Cleaning, safety and maintenance
Clean the headset, including the headset boom arm, by wiping with a slightly damp cloth as
required. Dampen the cloth with only water and a little washing-up liquid if needed. Avoid
getting moisture into any button sockets or other openings.
The plastic bags and wrapping parts are not toys for children. The bags themselves or the
many small parts they contain may cause choking if ingested.
2:18 PM
Side 10
10
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