5
flat surface, but it is most commonly secured under the dash, or in the
center console of the vehicle. Use the supplied screws to mount the
remote control housing.
2.4 Operation- Built-in Crossover
The
Digitalis
Digitalis
DD1-1200
has a built-in crossover filter for low-pass
operation. The filter slope is 24 dB/Octave.
FREQUENCY ADJUSTMENT
Adjust the low pass frequency by turning the control
marked
“FREQ, 50Hz – 250Hz"
. Turn clockwise to set
to a higher frequency, counter clockwise to set to a lower
frequency.
2.5 Operation- Phase Control
The
“PHASE”
switch changes the phase of the output 180 degrees when
switched on. This allows quick phase adjustment to match the phase of
subwoofers to the main speakers for better stereo imaging and bass
response.
2.6 Operation- Protection Circuits and
L.E.D. Indicators
L.E.D. INDICATOR-
The green LED lights to
provide a visual indication that the amplifier is
turned on. The red LED lights to indicate that a
problem exists and the protection circuitry has
protected the amplifier by shutting it down. Turn the system off and
correct the problem before turning the system on.
THERMAL PROTECTION-
The amplifier will shut down if its
temperature exceeds a safe operating level. The amplifier will remain off
until it cools to a safe operating temperature. Exercise care, the exterior of
the amplifier may get uncomfortably hot to the touch before shutting
down.
OVERLOAD AND SHORT CIRCUIT PROTECTION-
The amplifier
will shut down if a short circuit condition exists, or if electrical current
demands exceed safe levels.
50HZ 250HZ
F R E Q
POWER
PROTECT
6
FUSES
40A
DIGITALIS
1
2
3
4
5
6
7
8
9
LEVEL
MIN MAX
BASS
BOOST
0dB 18dB
LINE
INPUT
LINE
OUT
SUB
SONIC
0 - 18dB
50HZ 250HZ
FREQ
POWER PROTECT
PHASE
0 - 180
FUSE PROTECTION-
A blown fuse indicates a
problem that should be corrected before the fuse is
replaced. Always replace with the same value fuse.
Never substitute a larger value fuse.
2.4 Operation- Location of Terminals,
Controls and LED indicators
1. RCA input jacks
2. RCA output jacks
3. Input level adjust
4. Subsonic freq.
5. Low pass freq.
6. Phase switch
7. Bass Boost
8. Power LED
9. Protect LED
1. Speaker terminals
2. Remote Jack
3. Fuse(s)
4. Power terminals
1
2
3
4
40A
40A
40A
FUSE
BATT GND REM
POWER
SPEAKER
- + - +
- + - +
REMOTE
