10. Phase Control Switch - provides either 0 or 180 degree phase shift of the ampli-
fied output (speaker) with respect to the input signal to facilitate bridging of
amplifiers.
11. Power LED - when illuminated (green) indicates that the amplifier is on.
Protect LED - when illuminated (red) indicates that the amplifier protective cir-
cuitry has been activated due to thermal, output short, supply undervoltage or
supply overvoltage.
ESP
®
Indicator LED - when illuminated (yellow) indicates ESP
®
functionality and
is used to diagnose ESP
®
features. The LED flash characteristics will assists in diag-
nosing the type of fault (see Appendix).
NOTE: The LED on top of the amplifier may also illuminate and flash with the ESP
®
LED
indicator, if this option has been enabled by your installer (requires Bitwriter
®
).
12. ESP
®
Port - connection port for Bitwriter
®
or ESP2 security system.
HCCA-D1200
HCCA-D2400
HCCA-D5000
1. ATC Fuse - this fuse(s) protects the amplifier against internal electrical damage
and is meant to protect the amplifier only. All other power connections should be
fused at the source. The HCCA-D1200 has two 30-amp fuses. The HCCA-D2400 has
three 40-amp fuses. The HCCA-D5000 has one inline 250-amp fuse.
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