S O U N D S C I E N C E
Model D26
Digital System Controller
Owner’s Manual
Rev. 2
This equipment has been tested and found to comply with the following European and
international
Standards for Electromagnetic Compatibility and Electrical Safety:
Radiated Emissions (EU): EN55013 (1990) Associated Equipment
RF Immunity (EU): EN50082/1 (1992) RF Immunity, Fast Transients ESD
Mains Disturbance (EU): EN61000/3/2 (1995)
Electrical Safety (EU): EN60065 (1993)
Radiated Emissions (USA): FCC part 15 Class B
Electrical Safety (USA): UL813/ETL (1996) Commercial Audio
Equipment
Electrical Safety (CAN): UL813/ETLc (1996) Commercial Audio Equipment
IMPORTANT SAFETY INFORMATION
DO NOT REMOVE COVERS. NO USER SERVICEABLE PARTS INSIDE, REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL. THIS EQUIPMENT MUST BE
EARTHED.
IT SHOULD NOT BE NECESSARY TO REMOVE ANY PROTECTIVE EARTH OR
SIGNAL CABLE SHIELD CONNECTIONS TO PREVENT GROUND LOOPS. ANY
SUCH DISCONNECTIONS ARE OUTSIDE THE RECOMMENDED PRACTISE OF
CUSTOMER NAME AND WILL RENDER ANY EMC OR SAFETY CERTIFICATION
VOID.
For continued compliance with international EMC legislation ensure that all input and
output cables are wired with the cable screen connected to Pin 1 of the XLR connectors.
The input XLR Pin 1 is connected to the chassis via a low value capacitor, providing
high immunity from ground loops whilst ensuring good EMC performance.
Contents
Quick Start - Reference
Other features
Voltage setting
AC Power fusing
Mechanical Installation
Mains Power Connection
Controls
Input section
Output section
Rear panel
Moving about the screens
Default Screen
Inputs Menu
Outputs Menu
EQ Screens
Store and Recall
System Security
Specifications
Quick Start - Reference
AC Power connection
The D26 has a universal voltage AC Power input. Connect the D26 to AC Power with
the lead supplied. The unit will switch on automatically (there is no separate on/off
switch). The display will show the default screen, with the current program (if selected),
and overall system response curves.
Audio connections
Connect the inputs and outputs as desired. All inputs and outputs are electronically
balanced, with Pin 2 hot signal (+ve). Do not put any audio through the unit at this time.
Program settings
If your D26 has been already configured with a program, you only need to use the
RECALL mode to set the parameters to that program.
Press RECALL. Use the Parameter UP/DOWN keys to select the designated program
(which has a number and name) and press RECALL again. Programs marked with the
letter 'M' are Master ‘OEM’ programs and have been designed to match specific sound
systems.
Some units will be locked to a specific program. In this case most controls will be
disabled and the unit will be ready for use.
Setting up a system
To configure your D26, the mode of the unit should be decided upon before setting up.
Once the Config is set (In the Utilities menu), the crossover points, individual band
delays, any EQ, and limiter thresholds can be set up.
To enter the Utilities menu, press the RIGHT key from the default screen.
Configuring the D26
Band delays
Use the RIGHT/LEFT keys until the delay screen appears. The delay is adjusted by the
Parameter UP/DOWN keys. Default settings for display and adjustment of delay is in
meters (m), but can be changed to milliseconds (ms), or feet/inches (ft). Bands can also
be linked so multiple outputs can be delayed as one using the delay link facility.
Adding EQ
Use the RIGHT/LEFT keys to move to the EQ screen. The EQ shape can be edited first.
The shape of the EQ can be selected from one of the following by pushing the
Parameter UP/DOWN keys:
Hi-Shelf with 12dB slope (Hi12)
Hi-Shelf with 6dB slope (Hi6)
BELL
Low-Shelf with 6dB slope (Lo6)
Low-Shelf with 12dB slope (Lo12).
Pushing the RIGHT key from the EQ shape screen will access the following facilities, in
this order:
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