Digital Effect; Usb - Yamaha MG 166CX-USB Service Manual

MG166CX-USB/MG166CX/MG166C-USB/MG166C
2-18 DIGITAL EFFECT (MG166CX-USB, MG166CX)
Set the CH1 as follows and input -60 dBu signal to CH1 MIC.
Set EFFECT RTN fader and EFFECT RTN AUX VR to maximum and check the output level is the value specified in the Table
2-18.
CH1 setting condition
GAIN VR, AUX VR : Minimum
Fader, EFFECT VR : Maximum
ON switch
PFL switch
Table 2-18
OUTPUT
ST L, R
GROUP 1-4
AUX
MONITOR L
MONITOR R
Set the PROGRAM dial to 1.
Short the input terminal using 150 ohms resistor, and set the CH EFFECT level control and CH fader to minimum, then check
the noise level obtained at ST L OUT and ST R OUT is -50 dBu or less.
Also input music source and check the DIGITAL EFFECT is effective by listening to it.
Note:
• Noise should be measured with a 12.7 kHz -6 dB/octave low pass filter.
2-19 USB (MG166CX-USB, MG166C-USB)
2-19-1 Recording
With the condition specified in the table 2-19-1, record the output signal on the personal computer via USB.
Table 2-19-1
INPUT
PHONE
L
(INSERT)
R
2-19-2 GAIN
Playback the recorded file via USB, and then check the output level obtained at the MONITOR OUT L/R terminals is within the
range specified in the table 2-19-2.
Table 2-19-2
MONITOR OUT L
+16 ± 3 dBu
L
-
R
* Set the 2TR IN level control to Maximum.
* Set the STEREO level control to Minimum.
* Set the sound control of the personal computer to Maximum.
* Turn the TO STEREO/TO MONITOR switch to ON (TO MONITOR) position.
50
: ON
: OFF
ST FADER
EFFECT RTN PFL AUX SEND VR
MONITOR/PHONES VR
OFF
ON
INPUT
CH1 PAN control
LEVEL
L (turned counterclockwise fully)
1
-20 dBu
R (turned clockwise fully)
MONITOR OUT R
-
+16 ± 3 dBu
PROGRAM select
Switch
Max. 16
PARAMETER OUTPUT level
-10 dBu and above
Min. -7 dBu and above
-10 dBu and above