Atlas CP700 Manuel du propriétaire - Page 4

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CP700 COMMERCIAL

POWER AMPLIFIER

FRONT PANEL DESCRIPTION

1. Power Switch

This rocker switch supplies power to the CP700 ampliﬁ er. A red LED located above the power switch

will illuminate when the CP700 is switched on.

2. Protect LED Indicators

The CP700 features several types of protection circuitry to prevent damage during turn-on or fault

conditions. If any of these LEDs illuminate, one of the various protection features is safeguarding the

ampliﬁ er. The output relays will disconnect the speaker loads when the protection circuitry detects a

fault condition.

• Loudspeaker Protection - When power is ﬁ rst applied, the speaker protection relay is

open, preventing transients from reaching the loudspeakers. After the internal power supplies

have stabilized, the relay will close, connecting the ampliﬁ er output to the load. The yellow

Protect LEDs will illuminate during this power up process.

• Thermal Protection - The CP700 protection circuitry monitors itself for excessive internal

operating temperatures. In the event of this circuitry detecting abnormal thermal conditions

(blocked cooling fan and high ambient temperatures), the speaker relay will disconnect the

speaker load from the ampliﬁ er. Once the internal operating temperature drops back to a safe

level, the relay will close, reconnecting the speaker load to the ampliﬁ er.

• Short Circuit Protection - The yellow Protect LEDs will illuminate should the ampliﬁ er detect

a short circuit on the attached speaker load or if the load impedance is too low. When this

condition is detected, the internal speaker relays will open up, disconnecting the load from

the ampliﬁ er. The protection circuitry will stay activated until the fault is cleared.

Note: Once the speciﬁ c fault has been corrected, the power may have to be cycled to reset the

protection circuitry.

3. Signal "Status" LED Indicator

The green "Status" LEDs will illuminate once the input signal has reached -26dBv or higher.

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. •

PROTECT

LIMIT

SIGNAL

CH-1

CH-2

Specifications are subject to change without notice

AtlasSound.com

Printed in U.S.A.

OWNER'S MANUAL

CP700

POWER

Commercial Power Amplifier

TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

ATS002102 RevC 9/05

Figure 1