Yamaha XP2500 Owner's Manual - Page 6

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Also for Yamaha XP2500: Owner's Manual (20 pages), Owner's Manual (20 pages), (Spanish) Manual De Instrucciones (20 pages)

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Controls and Functions

■

Front Panel

POWER switch and indicator

Press this to turn the power on or off. The POWER/

STANDBY indicator lights up in green when the power

is ON. If the ampliﬁer has been set to STANDBY mode,

the indicator is lit in orange.

TEMP indicator

Lights up red if the heat sink temperature exceeds 85°C

(185°F).

PROTECTION indicator

When the protection system is active, the PROTECT

indicator light up in red and the speakers are automati-

cally disconnected from the ampliﬁer's outputs. The

protection system activates in the following situations:

When the ampliﬁer is turned on

The protection system activates for approximately

three seconds when the ampliﬁer is turned on. After

three seconds, the protection system deactivates auto-

matically and the ampliﬁer is ready for normal opera-

tion.

If a DC voltage is detected at the ampliﬁer's

outputs

XP7000/5000: Power shut down and the indicator is

not lit.

XP3500/2500/1000: The protection system is active.

Once the DC voltage problem is corrected, the protec-

tion system deactivates automatically and the ampli-

ﬁer is ready for normal operation.

If the ampliﬁer overheats

When overheating occurs, the PROTECT/MUTE

indicator lights. You should immediately turn off the

ampliﬁer and allow it time to cool down. See the Pre-

cautions section of this Owner's Manual for ways to

prevent the ampliﬁer from overheating.

CLIP indicator

Lights up red when the output signal distortion on the

corresponding channel rises above 1% — indicating

that "clipping" has occurred bacause the signal level is

too high.

XP7000/XP5000/XP3500/XP2500/XP1000 Owner's Manual

* The illustration shows model XP7000.

SIGNAL indicator

Lights up green when the corresponding channel's out-

put level exceeds 2 Vrms (equivalent to 1/2 W into an 8

Ω load, or 1 W into a 4 Ω load).

Volume control knobs

Each control knob adjusts the volume of the corre-

sponding channel, in 31 steps from - ∞ dB to 0 dB.

* If you wish to lock in the knob settings, you can

fasten the supplied security cover over the

knobs so that the settings will not be disturbed.

● How to install the security cover

(1) Use the supplied hex wrench to remove the four

attachment screws from the ampliﬁer.

(2) Adjust the security cover to the position of screw

holes. Fasten it into place using the same screws.

Air intakes

The ampliﬁer uses forced-air cooling. The cooling fans

draw air in from the front and exhaust it through the

rear. Please be sure that you do not block the air intakes

or exhaust vents.

* The fans do not come on at initial power-on, but

will switch on automatically when the temperature

of the heat sink rises above 50°C (122°F). The fan

speed will then vary automatically as the tempera-

ture changes.

Front

Air

intake

Rear

Air

exhaust