Power Led - Alto APM10 User Manual

4. CONTROL ELEMENTS

35 POWER LED

The LED indicates when the power is switched on.
36 PHONES Control
This control is used to adjust the level of PHONES
output, which can be varied from -
37 LPF (MONO OUT)
- LPF ON/OFF Switch
This switch applies a low-pass filter to the signal that is
output from the STEREO bus.
- LPF Control
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.
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 -
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.
to +10.
to +10dB.
PFL AFL AFL
10 10 10 10
dB dB dB dB
5 5 5 5
0 0 0 0
-5 -5 -5 -5
-10 -10 -10 -10
-20 -20 -20 -20
-25 -25 -25 -25
-30 -30 -30 -30
-40 -40 -40 -40
-60 -60 -60 -60
DFX RTN AUX 1 AUX 2 AUX 3
43
42
PFL
AFL AFL AFL
10 10
dB dB
5 5
0 0
-5 -5
-10 -10
-20 -20
-25 -25
-30 -30
-40 -40
-60 -60
MONO OUT ST OUT
44 45
35
POWER
36
-
+10
PHONES
OFF ON
LPF
37 (MONO OUT)
100
80 120Hz
MONO OUT
ST
38
- +10
39
PFL
2TR IN
41
40
11