Belkin F1DN002A User Manual page 16

Advanced secure headset adapter
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OPERATION
SECTIONS
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Beep Volume Control
Press the microphone disable push-button continuously for 5 seconds
to enter "Volume mode." The volume can be increased by pressing the
microphone disable push-button. By pressing the microphone enable
push-button the volume will be decreased. When the lowest or the
highest volume levels are reached, 2 beeps will be heard.
Please note:
A microphone device is not mandatory when operating the Belkin
Advanced Secure Headset Adapter. The product can be operated
with just headphones or speakers connected.
When operating the Belkin Advanced Secure Headset Adapter,
make sure that device and audio cable connections are not
crossed.
If power is not available, LEDs will not illuminate and no audio will
be heard.
If both front-panel LEDs are not illuminated and the Admin LED on
the rear panel is illuminated red, the unit has failed. In such a case,
release the push-button and repower the device.
If one of the push-buttons is pressed while the unit is powering
up, the unit will fail the self-test. In such a case, release the push-
button and repower the device.
Belkin
Advanced Secure Headset Adapter User Manual
®
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To exit Beep Volume Control Setting:
1.
Press and hold the Mute button for five seconds continuously.
2.
Power cycle the unit by disconnecting and reconnecting the
power supply.
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