Hyundai H-CSX8A - Manual (Page 5)

5
Functions and controls
1. LEVEL regulator
Adjust the subwoofer input level with LEVEL regulator. You can
also regulate it using the remote control.
The input level control should match the output of your radio. After
the installation is complete, make sure the input level control is
turned down all the way(MIN). Play a tape or CD and turn volume
up slowly until you start hearing distortion, now back the volume
down just a bit. On the subwoofer slowly turn up the input level
control until you start hearing distortion and back it down a bit,
Now your radio and subwoofer levels are matched.
2. Sub sonic regulator
Adjust the frequency of the subsonic filter (20 50 Hz available).
3. BASS BOOST regulator
Adjust the frequency of the bass control filter (0 12 dB of boost available).
4. LPF regulator
Adjust the low-pass crossover (50 150 Hz available).
5. PHASE switch
Changing woofer phase with the PHASE switch (0, 180 degrees).
6. LED indicator
When the +12 V and REM +12 V power both switch on, the LED is green. This means that the amplifier begins to work.
If LED is red this means the amplifier is shut down from protecting circuit (thermal protection and short protection).