Marantz NR1602 Owner's Manual page 55

When 6.1ch (Surround back speaker) installed
FL FR
SW
C
z1
z2
SL
Listening position
SB
z1 22˚ – 30˚ z2 90˚ – 110˚
GSpeaker abbreviationsH
FL Front speaker (L) SL Surround speaker (L)
FR Front speaker (R) SR Surround speaker (R)
C Center speaker SB Surround back speaker
SW Subwoofer
When 5.1ch installed
FL
SW
z2
SR
SL
z1 22˚ – 30˚
When Front A/B speakers installed
FR
C
z1
SR
Listening
position
z2 120˚
52
FL(B) FL(A) FR(A) FR(B)
SW
Listening position
Install