Sony MDR-NC500D User Manual
Mdr-nc500d, English, How to select noise cancellation mode

How to Select Noise Cancellation Mode
AI (Artificial Intelligence) Noise Canceling
Automatically Selects Optimal Noise Cancellation Mode
1
Put on the headphones. One short beep will sound when turning on the Digital Noise Canceling
headphones.
2
While wearing the headphones, press the AI NC MODE button to activate AI (Artificial Intelligence).
A short tone sounds when the headphones are analyzing the ambient sound.
R
L
3
The headphones automatically select the optimal Noise Canceling mode.
Manual Noise Canceling – Allows for Manual Selection of Noise Cancellation Mode
1
To switch to Manual Noise Canceling, press the AI NC MODE button for more than one second. A
longer, rising tone
will sound when the unit is switched to Manual Noise Canceling.
2
The headphones are initially in NC Mode A.
3
Toggle through NC Mode A, B, and C by pressing the AI NC MODE button. Modes are identified as
follows:
• 1 beep = NC Mode A
• 2 beeps = NC Mode B
• 3 beeps = NC Mode C
4
To return to AI (Artificial Intelligence) Noise Canceling, press the AI NC MODE button for more than
one second. A longer, descending tone
will sound when the unit is switched back to AI (Artificial
Intelligence) Noise Canceling.
MDR-NC500D
©2008 Sony Corporation Printed in Malaysia
AI NC MODE
button
POWER
indicator
NC MODE A –
Mainly in an airplane
NC MODE B –
Mainly in a bus or a train
NC MODE C –
Mainly in an office/
study Environment
3-873-382-11(1)
or
or
English