Rear Panel Overview; The Dip-Switch Features - Lab.gruppen C Series C 10 4X Operation Manual

6.2 Rear Panel overview

C 20:8X
100-240V 50-60Hz :600W
Ser. N:o
Removed! Must be grounded/earthed
Made in Sweden
IN
Mains input NomadLink
100-240 V network In and
(+/- 10%) VAC,
@ 50 or 60 Hz
.

6.2.1 The dIP-switch features

The following features may be adjusted using the
DIP-switches on the rear panel of the amplifier. See
section 7.4 for more information.
Gain - Set for all four or eight channels from +29 to
+38 dB in 3 dB steps.
fan Masked - When on, engages the intelligent fan
feature lowers fan speed when no signal is pres-
ent.
Bridged Mode - Switches the channel pairs into
bridged mode operation (automatic -6 dB gain
compensation).
2 ohm operation is not recommended when
using Bridged Mode
GAIN VPL
38dB 100V (70V rms )
35dB 63V
MODE CH H CH G CH F
32dB 45V HARD
29dB 32V SOFT
VPL VPL VPL
OUT
CH D CH C CH B
OUT
ON FAULT
VPL VPL VPL
POWER CONTROL
1 2
BR.=BRIDGE
ON
GPIO
connectors
Out
Figure 4: Rear panel layout
Figure 5: DIP-switch field on the rear panel
C Series C 20:8X, C 10:8X, C 10:4X and C 5:4X Operation Manual 13
QUICK GUIDE OVERVIEW 6
BALANCED INPUTS
CH E
CH H CH G CH F CH E
VPL
CH A
CH D CH C CH B CH A
VPL
DIP-switches
for adjusting key
features
(See below)
VPL - Voltage Peak Limiter adjustment is provided for
8 individual levels. Select the setting most appropriate
for connected speakers. See Appendix for details.
Mode - Select VPL mode between Hard and Soft. For
channels driving sub-woofers and low-end frequen-
cies, it is recommended to use the Hard setting
for optimal operation. For mid- and high-frequency
drivers, always select Soft.
GPI 2 Level Trig - Disables GPI 1; GPI 2 turns ampli-
fier on when closed, off when open. (See section
7.5).
GPI (➝ NomadLink) - Disables the amplifier's con-
nectivity to the NomadLink network.
SPEAKER OUTPUTS
BRIDGE G+H BRIDGE E+F
CLASS 2
H G F E
WIRING
D C B A
NOTE!
BRIDGE
BRIDGE C+D BRIDGE A+B
CLASS 3 WIRING
3-pole Phoenix 2-pole screw
input connectors terminal output
connections