Additional Information
Test tone
Signal given out by the amplifier for adjusting the speaker volume. The test tone will come out as follows:
•In a system with a center speaker (NORMAL/WIDE/3 CH LOGIC modes)
The test tone is output from the front L (left), center, front R (right), and rear speakers in succession.
Front (L) | Front (R) |
Center
3 CH LOGIC
Rear (L, R)
NORMAL/WIDE
•In a system without a center speaker (PHANTOM mode)
The test tone is output from the front and the rear speakers alternately.
Front (L, R)
PHANTOM
Rear (L, R) 
