TOA Electronics IP-450D Nomenclature And Functions, Front Panel, Power switch, Carrying handle

5. NOMENCLATURE AND FUNCTIONS

[ Front Panel ]

Power switch			Carrying handle
Power is switched on	and off	with each	Can be detached. Refer to p.9 when removing.
depression of this switch.

Power indicator lamp

Lights green when the power is switched on.

Signal indicator lamp

Lights green regardless of the input level control setting

when there is an input of a signal with a level exceeding -30 dB.

Peak indicator lamp

Lights red if an output signal clips (distortion occurs).

Input level control (pushlock type)

Clicks at each dB mark on the scale when rotated. This knob is recessed to avoid accidental setting changes. Pressing on the knob raises it above the front panel to permit level adjustment.

[Precautions]

When the level control switch on the rear panel is set to ON, the input level control cannot be used because it is

bypassed.

Protection circuit indicator lamp

Lights red for three seconds after the power is supplied to the unit, and then goes out. This lamp also lights red when a protection circuit is activated. Refer to p. 11

"Table for protection circuit actions" for details.

Level control bypass indicator lamp

Lights yellow when the level control switch (refer to p.6) is in the ON position. While this lamp remains lit, the input level control cannot be used because it is bypassed.

Level control cover

An input level can be fixed by removing the input level control knob from the front panel and

attaching the supplied control cover.

[Note]

Keep the removed input level control knob for

future use.

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