Sony STR-DE705 Operating Instructions Manual page 25

Test tone
Signal given out by the receiver 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)
Additional information
25 EN