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AUDIOGRAM6
14
1. Measurement
condition
1-1 Environment
Temperature
(5
˚
C – 40
˚
C)
Humidity (30% – 90%)
1-2 Power
supply
Power is supplied from a personal computer. (Powered through USB bus)
2. Electric
characteristics
2-0
0 dBu = 0.775 Vrms
2-1 Preparation
Load resistor of each output terminal is as follows:
PHONES (L, R) : 40
Ω
(3 W or more)
Others
:
10k
Ω
2-2
Unless otherwise speci
fi
ed, the operation elements shall be set as follows,
• CH INPUT (CH1, CH2)
GAIN control
: Maximum
COMP control
: Minimum
CH level control
: Maximum
MIC/INST switch
: OFF (MIC)
MONO/STEREO switch
: OFF (MONO)
• ST CH INPUT (CH3/4, CH5/6)
GAIN control
: Maximum
CH level control
: Maximum
•
MASTER
DAW level control
: Minimum
MASTER level control
: Maximum
•
Others
PHANTOM switch
: OFF
2-3
Use 1 kHz sine wave for input signal unless otherwise speci
fi
ed.
2-4
Signal source impedance should be 150 ohms.
2-5 Power
indicator
Check that the POWER LED lights when the personal computer is connected.
INSPECTIONS
GAIN control
COMP control
CH level control
DAW level control
MASTER level control
MONO/STEREO
switch
MIC/INST switch
CH1
CH2
CH3/4 CH5/6
PHANTOM switch