Bose 402 C Owner's Manual page 14

Input MODE switch in position : FR (full-range)
Input MODE switch in position : BA (bi-amp)
Input MODE switch in position 4: OPT (option)
4
Figure 18
mode.
Figure 19
mode.
Figure 20
mode.
Input Mode
This is a four-position switch. It selects one of three
operating modes for the controller.
Position 1: Full-range (FR) mode. (See Figure 8.)
Use for a full-range system with only 40
loudspeakers. Connect only the controller's HIGH
FREQ OUTPUT jacks. Do not connect any amplifiers
or loudspeakers to the LOW FREQ OUTPUT jacks.
Position 2: Bi-amplified (BA) mode. (See Figure
9.) Use for a 40 or 80 system with 50
50BP Acoustimass bass enclosures. Connect
®
the controller's HIGH FREQ OUTPUT jacks to the
amplifier(s) driving the 40 or 80 loudspeakers.
Connect the controller's LOW FREQ OUTPUT jacks
to the amplifier(s) driving the bass enclosure.
Position 3: No connection (NC). Do not use. It is
not connected in this version of the 40C or 80C II
controller.
Position 4: Option (OPT) mode. (See Figure 0.)
Use when the system includes an Acoustic Wave
Cannon System II loudspeaker. The corresponding
TM
AWCS
OC- option card MUST be installed by authorized
Bose personnel in the controller to achieve correct
performance of the system. Connect the controller's
LOW FREQ OUTPUT jacks to the amplifier(s) driving
the bass.
or 80
TM ®
B or
TM
®