Fostex FD-4 Service Manual page 5

ELECTRICAL (continued)
SCSI DATA input / output
Connector
Protocol
Transfer type
Number of device to be connected
Fader / Knob Position at Reference Input / Output
MASTER fader
MONITOR knob
INPUT fader
Output Level
INPUT (1 ~ 4)
INPUT (1 ~ 4)
Frequency Response
INPUT (1 ~ 4)
INPUT (1 ~ 4)
AUX RTN MONITOR OUT
AUX RTN PHONES
EQ Characteristics
High (12 kHz) & Low (80 Hz)
Mid (200 Hz ~ 5 kHz)
S / N
INPUT
INPUT
INPUT 4
Residual Noise
AUX SEND
MONITOR
MONITOR
AUX SEND
OUTPUT
LEVEL
-50 dBV AUX SEND
-38 dBV AUX SEND
-10 dBV AUX SEND
+2 dBV AUX SEND
-50 dBV MONITOR
-38 dBV MONITOR
-10 dBV MONITOR
+2 dBV MONITOR
VR MIN PHONES
D-SUB 25-pin
SCSI-2, unbalanced transfer method
Asynchronous
1
At 8 ~ 9 position (AUX RTN : -20 dBV / 1 kHz, AUX RTN
VR: MAX. Adjust master fader for -10 dBV output at
STEREO OUT.)
Adjust MONITOR knob for -10 dBV output at MONITOR
OUTPUT. (MON SEL: ST+MON, MON)
At 7 ~ 8 position (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0,
PAN: L (R). Adjust input fader for -10 dBV output at
STEREO OUT.)
-10 dBV +0, -2 dB (INPUT: -10 dBV / 1 kHz, EQ GAIN:
0, PAN: L (R), AUX1, 2 VR: CH MAX, input fader: at 7 ~
8 position.)
-10 dBV ± 1 dB (INPUT: -10 dBV / 1 kHz, EQ GAIN: 0,
PAN: L (R), MON VR: MON MAX, MON PAN: L (R),
input fader: at 7 ~ 8 position.)
20 ~ 20 kHz +1, -3 dB (INPUT: -50 dBV)
20 ~ 20 kHz +1, -2 dB (INPUT: -10 dBV)
20 ~ 20 kHz +1, -2 dB (INPUT: -10 dBV)
20 ~ 20 kHz +1, -2 dB (AUX RTN: -20 dBV)
80 ~ 20 kHz +1, -2 dB (AUX RTN: -20 dBV, at 20 mW /
16 )
+15 dB ± 3 dB at "+15" position
-15 dB ± 3 dB at "-15" position
+15 dB ± 3 dB at "+15" position
-15 dB ± 3 dB at "-15" position
LEVEL UNWTD.
-10 dBV 66 dB or more
+2 dBV 78 dB or more
-10 dBV 80 dB or more
+2 dBV 92 dB or more
-10 dBV 63 dB or more
+2 dBV 75 dB or more
-10 dBV 73 dB or more
+2 dBV 85 dB or more
S / N
AWTD.
68 dB or more
80 dB or more
82 dB or more
94 dB or more
65 dB or more
77 dB or more
75 dB or more
87 dB or more
-75 dBV or less
FD-4
5