Precision Power ATOM A400.4D - Page 11

FUNCTIONS
14. Sub Sonic Filter
Variable subsonic filter (20Hz ~50Hz)
The subsonic filter will roll off all of the unwanted frequencies below 20HZ ~50Hz. This
will allow the amplifier to use that wasted power on the audible bandwidth.
15. Low pass Filter
ATOM amplifier has an internal variable low pass filter. It can be set from 50 p to 500Hz.
16. Bass boost level control
Turn this control to boost the frequencies around 45Hz to a maximum of 12dB.
17. Protection Indicator
When the PROTECTOR is activated, the indicator lights in red. When the PROTECTOR Is
activated refer to the Troubleshooting Guide. (PPI Logo Badge).
18. High pass Filter
ATOM amplifier has an internal variable High pass filter. It can be set from 50 up to 500 Hz. It also
has that can be set from 500 up to 5KHz.
19. High pass/ Full/Low pass selector switch
It is activated in each of the positions in top control.
20. Channel SUM selector switch
Choose OFF position for 4Ch. stereo input mode.
This allows the front & rear channels to receive signal from only the front & rear RCA inputs. Choose ON
position. this allows for without 5channel(SUB) input.
10
OFF ON
FRONT
REAR
SUB
AM
TRE
FM
BAS
6
FRONT
REAR
CD/RADIO
REAR FRONT
L
FUSES PO WER INPUT SPEAKE RS OUT
HI -INPUT
L
L
FR ON T
R
OFF ON
FRONT
REAR
SUB
AM
CD
TRE
FM
BAS
6
CD/RADIO
L
L
FR O N T
A1000.5D GND
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
+
+
+
20 A
20 A
20 A
20 A
20 A
20 A