Alto APM 120, Руководство пользователя

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SPO
TLIGHT
4. CONTROL ELEMENTS
35 POWER LED
The LED indicates when the power is switched on.
11
39 PFL Switch
When this switch is engaged, the signal input from the 2TR IN jacks is routed
at the point before the ST control to the PHONES jack.
38 ST (stereo) Control
This knob is used to adjust the level of the signal sent
from the 2TR IN jacks to the STEREO bus. The adjustable
range goes from - to +10dB.
You can adjust the frequency to the desired position by
using a screwdriver to turn the control. The output region
will below the frequency (80-120 Hz) if you specify by the
control. Use it when you are using a sub-woofer.
- LPF Control
37 LPF (MONO OUT)
This switch applies a low-pass filter to the signal that is
output from the STEREO bus.
- LPF ON/OFF Switch
PFL
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
AFL AFL AFL AFL AFL
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
PFL
10
dB
-5
-10
-20
-25
-30
-40
-60
0
5
AUX 3 MONO OUT AUX 2 DFX RTN ST OUT AUX 1
40
41
42 43 44 45
ST
-
+10
8
POWER
PFL
80
100
120Hz
2TR IN
MONO OUT
LPF
(MONO OUT)
OFF ON
39
37
35
36
38
-
+10
8
PHONES
This control is used to adjust the level of PHONES
output, which can be varied from - to +10.
36 PHONES Control