Cloud DCM-1 User's Guide download pdf (Page 47)

Conguration

DCM-1 User Manual v1.0 45

Setting up levels for best performance

To optimise signal levels through the DCM-1 and obtain

the best signal-to-noise performance, we recommend the

following procedure is followed for adjusting music and

paging levels.

1. Choose a suitable music source and set the INPUT

GAIN of its input so the signal is peaking within the

target area, via the Music menu in Installer mode.

2. Route this music source to a convenient Zone and

adjust the LEVEL in this zone to 0dB (i.e. maximum)

again via the Music menu.

3. Adjust the gain of the power ampliers feeding the

loudspeakers in that Zone so that the sound level in the

Zone is as loud as is likely to be required.

4. Set the paging microphone level control for that zone to

maximum.

5. Adjust the Paging Mic Gain or CDPM Gain whilst

making an announcement to match the level of the

announcement with the desired maximum level of the

music.

6. Adjust the paging microphone for preferred

announcement level in the zone.

7. Repeat step 1 for other music sources.

8. Repeat steps 2,3 and 6 for the other zone outputs.

Display Contrast adjustment

The display should be easily readable in most normal

situations. If it is necessary to alter the display contrast

to improve readability under extreme ambient lighting

conditions, remove the top cover (8 screws) and locate the

trimpot at the left-hand end of the PCB mounted directly

behind the front panel. This can be adjusted as required.

Replace the cover using the same screws.

CDR-1 Remote Control Plates

Most audio systems based around the DCM-1 will include

CDR‑1 remote control plates to permit in‑zone selection of

music source and level.

An overview of the CDR-1 can be found at page 8 and notes

on installation and wiring at page 19.

User Operation

The backlight in the CDR-1’s display automatically times-out

after a few seconds (the actual time is programmable) to

minimise power consumption. The display is “woken up” by

pressing the ZONE button, and the unit conrms the Zone

it has been assigned to, either as Zone n, or by name if the

zones have been renamed (see diagram below).

Zone

Current Zone

Reception

Press Zone button to "wake up" display

CDR-1 User Mode: i) wake-up display

Zone

Music Server

Level |||||||||||||||

keys select line input (music source)

i h

keys adjust music level

and

CDR-1 User Mode: ii) adjustment display

The CDR-1 will change to the adjustment display shown at

ii) above after approx. 10 seconds, or immediately if any of

the other four buttons are pressed. The i and h buttons can

now be used to scroll through the inputs available to the

zone. Only those inputs which have been enabled in the

DCM-1 menu system at ROUTING > INPUT ENABLE will

be displayed. The + and – buttons adjust the volume.

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Cloud DCM-1 User's Guide Page 47

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