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Installing the Remote Level Controller
The D3 600.1 and the D3 1000.1 come packaged with a remote level control. This allows you to control
the level by attenuating the amplitude or increasing (up to the maximum set-point) of the amplier’s
input gain control. This control does not add additional bass boost, it simply allows you to control the
level to suit your tastes.
1) Locate a position in the front of the vehicle where this will be easy to
reach. Common locations are on, in, or under the dash, in the center
console, or in the glove box.
2) If you will “surface mount” the unit, attach the bracket using the sup-
plied hardware to your chosen location (See illustration). Proceed to
step 4
3) If you will be “ush mounting” the unit, you must remove the knob
and fascia assembly from the housing rst. Then proceed to cut an
opening measuring 2” wide (5cm) x 5/8” high (2.2cm). You will need
to allow about 1 inch (2.5 cm) of clearance behind the opening for
installation and cable access. (See illustration)
4) Route the telephone style data cable back to the amplier location and
connect into the remote level port. Test to make sure the operation
is functioning.
Get Ready to Listen!
Perform a nal check of the completed system wiring to ensure that all
connections are accurate. Check all power and ground connections for
frayed wires and loose connections which could cause problems. Install
in-line fuse near battery connection at this time. Prepare to make some
adjustments to ne tune your audio system for optimum performance.
Adjustment of Input Gain
To adjust the gain setting, turn the amplier gains all the way down (counterclockwise). Turn the source
unit volume up until distortion is audible and then turn it down a bit until the distortion is inaudible. This
will be NEARLY full volume on most source units, perhaps one
or two “clicks” down from maximum volume. Next, increase
the amplier gain setting until adequate volume is achieved.
NOTE: Ideal signal to noise and dynamic range are achieved
with the gain at minimum. Most users nd adequate gain
and volume is achieved at about halfway in the adjustment
range. Avoid setting the amplier gain very high as noise and
distortion will increase signicantly. For a more in depth level
setting (gain adjustment) procedure, visit the DAT website at
www.diamondaudio.com
In-dash Mount
Connection to Amplifier
Adjusting the Input Gain
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For more wiring options, see the Support section at www.diamondaudio.com.