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• The control panel or any specific Product Group can be “locked out” from unauthorized user
input.
• Auto SPL controls the maximum volume level of the currently selected system. The maximum is
120 dB.
903 Control Panel
Similar to the 902 Control Panel, but does not include the 987 EVC module, so Equal Volume Com-
parison and Auto SPL are not available. The 905 IR Remote will operate the 903 Control Panel but is
not included, and must be purchased separately. All other functions of the 902 are inherent with the
903.
904 Product Group Expander for Control Panel
Adds eight additional Product Groups to your control panel. Up to 32 unique Product Groups can
exist in an Access
™
System.
904V Product Group Expander and Volume Control
Adds four additional product groups to your control panel and provides a master volume control.
905 IR Remote
Full function Infrared Remote Control for 902 and 903 Control Panels.
906 Control Panel
Perfect for single product group displays such as subwoofer rooms or speaker walls, the 906 Control
Panel selects products using a rotary encoder knob, and displays the selected product number in the
LCD window. Use the Select Previous button to make instantaneous comparisons between products.
988CP0 Volume Control Panel
Provides master volume for Access demonstration systems.
Product Select Buttons and Indicators
Various button styles, sizes and colors are available. All have integrated LEDs to indicate when the
product is selected. Product indicators are simply LEDs mounted by each product showing which
products are playing.
Switching Modules
910D Head Unit Selector
Controls outputs from 4 source units for 4-channel high-level, 2-channel low-level operation. Pro-
vides DC power connection for each source. Module can be split in two for greater placement
flexibility using a Model 998 Extension Cable. Also features an expander port for adding additional
channels.
922 Low-Level Selector
Controls a pair of 2-channel low-level signals routed to or from 4 low-level products such as low-level
sources.
932 Speaker Selector
Accommodates 8 left OR 8 right speakers. Two 932s are required for 8 stereo pairs. Non-selected
speakers are shorted to ground to reduce the sound absorption of unselected speakers in the display.