Sony MDR DS3000 Operating Instructions Manual page 15

Setting the input level
If the volume is low using the analogue input, set the ATT (attenuator) switch to
"0dB."
Setting
0dB
–8dB
Notes
• Be sure to lower the volume before setting the ATT switch.
• If audio input to the LINE IN jacks is distorted (sometimes, noise can be heard at the same
time), set the ATT switch to "–8dB."
Connected components
TV, portable components, and other components with a low output level
Other components (initial settings)
ATT
0dB –8dB
Connection
GB
15