Back Panel Controls And Connectors - Crown CTS4200 Operation Manual

2 Setup
(continued)
2.5 Back Panel Controls
and Connectors
Note: CTs 8200USP/CN is shown. Some CTs
4200USP/CN features are in different
loca tions.
K. AC Power Cord Connector
Standard IEC type 320 inlet.
120V models: 15-amp.
220-240V models: 10-amp.
Voltage is indicated above IEC inlet.
L. Output Connectors
One four-pole terminal strip for every two
chan nels with touch-proof cover. Accepts up to
10 AWG terminal forks. To connect outputs, fi rst
remove the touch-proof cover plate covering
the terminal strip by removing the screw which
holds it in place.
page 8
M. USP/CN Module
Built into the amplifi er, this module allows
con nection to a CobraNet network. Please see
Sec tion 2.6 for details.
N. Channel Level Controls
One 21-position detented rotary potentiometer
per channel, ranging from infi nity (-70 dB) to
0 dB attenuation. Refer to Section 4.2.12 for
precise dB attenuation increments for each
detent.
O. Input Connectors
Removable Phoenix-style barrier connectors for
balanced input. Also can be used as a CobraNet
input or a backup for Cobranet (see Section
3.2.6).
Figure 2.4 CTs 8200 USP/CN Back Panel
(Shown with Touch-proof Cover Removed)
CTs Multi-Channel Power Amplifi ers
P. Mode Switch
Used on each consecutive pair of channels, this
four-position switch is used to select the
amplifi er's mode of operation: Dual 8/4 ohms,
Dual 70V, Bridge-Mono 16/8 ohms, and
Bridge-Mono 100V.
IMPORTANT: Be sure to power off the
amplifi er before change the Mode-
switch setting. If this is not done, the Bridge
light will fl ash to indicate that the power must
be cycled off and back on to reset the mode.
Q. Cooling Vents
Front-to-rear forced airfl ow.
Operation Manual