4.NOMENCLATURE AND FUNCTIONS [Front Panel]

Input level controls [1-6] (1-2 : Monaural input,

3-6 : Stereo input)

These controls adjust the input level of each channel.

Assign buttons [ST, 1, 2]

These buttons select the output to which the post-input level control signals are delivered.

ST : Stereo output

1: MONO 1 output

2 : MONO 2 output

Assign button cover

This cover protects the assign switch setting from accidental change. It can also be used as a writing block.

Clip indicator [PEAK]

This lamp lights when the signal reaches 3dB below clipping. Adjust the signal level using individual input level controls so that this lamp lights only accidentally.

Mute ON/OFF button [AUTO MUTE]

This button turns on the muting facility when pressed. (The muting indicator will light.) By detecting the signal assigned to the stereo output from channel 1 or 2, the signal assigned to stereo outputs from channel 3 through channel 6 is muted. (The signal assigned to the monaural output is not muted.)

Equalizer controls [EQ : LOW, HIGH]

These controls adjust stereo output signal tone.

LOW : Low frequency adjustment (20Hz, ±15dB shelving)

HIGH : High frequency adjustment (20kHz, ±15dB shelving)

Stereo output level control [STEREO] This control adjusts a stereo output level.

Monaural output level controls [MONO 1, 2] These controls adjust each monaural output level.

Power button and power lamp [POWER]

This button switches power on (the power lamp lights) and off (the lamp is extinguished).

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TOA Electronics M-243 operating instructions Nomenclature and Functions Front Panel