Stereo Bus - Alto APM10 User Manual

4. CONTROL ELEMENTS
28 PHONES Jack
This jack will be used to send the signal to a headphone or to a pair of powered
studio monitors.
29 LAMP
This lovable LAMP is very convenient for your operation, it is located in the top
right corner of the front panel, and provides the 12V socket that can drive
standard BNC-type lamp.
30 LED METER Display
The LED METER Display indicates the output signal level.
By pressing the switch, you can choose the output signal
source. When the switch is off, the stereo LED meter
will indicate the signal level sent to ST OUT outputs.
When the switch is on, the LED meter indicates the
signal level sent to PHONES output.
31 ST SUB OUT Control
This knob adjusts the final level of the signal sent
from the ST bus to the ST SUB OUT jacks.
32 AUX1-3 Controls
These knobs are used to adjust the amount of the
signal sent from the ST SUB IN1-3 jacks to the
AUX1, 2 and 3 buses.
33 ST (stereo ) Controls
The ST knob is used to adjust the amount of stereo
signal sent from the ST SUB IN1-3 jacks to the

STEREO bus.

34 PFL (pre-fader listen) Switch
When this switch is engaged, the signal at the
point before the ST control knob is sent to the
PHONES jack.
10
CLIP
10
7
4
2
0
-2
-4
-7
-10
30
-20
-30
L R
ST
AFL . PFL
31
-
+10
ST SUB OUT
1
AUX
- +10
2
32
- +10
3
- +10
ST
33
-
+10
34
PFL
1
ST SUB IN