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7. NOMENCLATURE AND FUNCTIONS
7.1. M-9000 (Matrix Mixer Pre-Amplifier),
A-9060DH/9120DH/9120DL/9060S/9120S/9240SH (Matrix Mixer Power Amplifiers)
[Front]
ON/OFF
OUTPUT SEL
ON/OFF
OUTPUT VOLUME
INPUT VOLUME
POWER
UTILITY
ESC/BACK
MEMORY
ENTER
PARAMETER
8
7
6
5
4
3
2
1
INPUT SELECT
TOA 9000 SERIES PRE-AMPLIFIER M-9000
1
2 3 4 5 6 7 8
9
10 11
12
13 14
1. Power switch and Power indicator
Press this switch to turn on the power. The power
indicator lights. To turn off the power, hold down
the switch for at least 0.5 second.
Note
The power switch is a soft-switch, so the internal
microcomputer is still operating even when the
power switch is set to OFF.
2. Input channel selection keys
Select the input channel for which the volume is
adjusted or parameter is set.
Pressing the key causes the corresponding red
channel indicator to light on the vacuum
fluorescent display (VFD).
3. Vacuum fluorescent display (VFD)
Displays the setting screen, input and output
selection status, channel ON/OFF status, input and
output level meter indication, and fader position.
(Refer to p. 13 "VFD on-screen indications.")
4. Input volume control
Adjusts the gain of the input channel selected with
the input channel selection key (2).
5. Input channel ON/OFF key
Turns on or off the channel selected with the input
channel selection key (2).
6. Output channel ON/OFF key
Turns on or off the channel selected with the
output channel selection key (7).
7. Output channel selection key
Selects the output channel for which the volume
is adjusted or parameter is set. The output
channel indicators on the VFD light in sequence
each time the key is pressed.
8. Output volume control
Adjusts the gain of the output channel selected
with the output channel selection key (7).
9. Memory key
Used to save the setting contents in each setting
mode, or to delete on-screen indications to enter
each setting mode.
10. Enter key
Press this key when such indications as "OK?"
are displayed.
11. Parameter setting knob
Rotate this knob to select the setting item or
setting contents.
12. Utility menu key
Holding down this key for 2 seconds or more
when in normal operation mode switches the
display to the setting screen.
13. Escape/Back key
Used to revert back to a previous screen when
advanced with the Enter key during setting
operation.
14. Screen shift keys [ ]
Move the setting screen or setting item.
This figure represents the M-9000.