Installation
DCM-1 User Manual v1.0 15
Power button: applies DC power to the DCM-1 (note
external PSU)
LCD display: 2 x 16-character backlit blue LCD
display used in all control and menu functions.
Rotary control: for adjusting unit parameters via the
display. The control also has a “press” action, which is
required for some front panel operations.
Next Function button: used to scroll through the
various functions of each menu
Numeric buttons 1 - 8: the operation of these
buttons varies with the selected menu function. In
many of them they represent Zones 1 to 8, each button
selecting a zone that the menu function will apply to. In
others, they may represent Inputs 1 to 8, for example.
Each button has an associated blue LED to indicate the
current status of that zone or input for the function.
The menu system is divided into ve groups, each of which
is selected by one of the menu buttons. An associated blue
LED indicates selection.
Music: gives access to per‑zone source selection, level
control, EQ, maximum and minimum levels, and input
gain per-input.
Routing: Allows per‑zone mic enabling and input
masking, plus other installation‑specic functions.
System: system menu includes enabling of CDR-1
Installer Mode per‑zone, mono/stereo selection for
Zones 1 & 2, RS232 port set‑up, zone and input naming,
security key set-up, etc.
Priorities: allows assignment of priority inputs
(including paging inputs) and adjustment of the DCM-1’s
operation when priorities are active.
Groups: the Group menu allows assignment of Zones
to Groups, and dened Groups to be enabled.
Paging Access LEDs: 8 LEDs (one per zone) which
illuminate when a zone is selected for paging from an
external paging microphone.
Extension Ports LEDs: 4 LEDs corresponding to
the Extension Ports of Line Inputs 1 to 4. These LEDs
illuminate when a LE-1 or BE-1 remote input plate is
connected, and the input to which it is connected is
enabled for the currently selected zone.
Mic Inputs LEDs: 4 LEDs corresponding to Mic Inputs
1 to 4. These LEDs illuminate when an ME-1 remote
input plate is connected, and the input to which it is
connected is enabled for the currently selected zone.
Install button: activates Installer Mode. Allows
access to the menu functions which are intended to be
unavailable to the user. A key needs to be entered on
the numeric buttons for Installer Mode to be active.
Music Mute LED: illuminates when an external Mute
is applied at the Music Mute connector (normally linked
to Fire Alarm or other emergency system).
Section 2 : Installation
Description of front panel
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