Sony dav-dz740 User Manual

[SUBWOOFER] +2.0 dB: Set the subwoofer 
level.

x [LEVEL (SURROUND)]

You can adjust the sound level of the surround 
speakers. You can set the parameter from –6.0 
dB to +6.0 dB. Set [TEST TONE] to [ON] for 
easy adjustment.

[L/R] 0.0 dB: Set the surround speaker level.

x [TEST TONE]

You can adjust the sound level of the speakers 
by using the [TEST TONE] function. 

[OFF]: The test tone is not emitted from the 
speakers.
[ON]: The test tone is emitted from each speaker 
in sequence while adjusting the level.
Adjust the sound level as follows.

C/X/x/c repeatedly to select the 

C/X/x/c to set [TEST TONE] to