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USER MANUAL - VMA1240 INSTALLATION MIXING AMPLIFIER
Remote Volume Control
The VMA-1240(B) allows to use an external wall-mounted passive volume controller to be used for
remote volume control. These wall-mounted volume controllers shall be of the ZCP-10A type and
need to be connected as per below wiring diagram to the remote volume control ports (6) on the
unit’s rear-panel. After correct wiring, pressing the remote volume enable switch on the rear panel
(7) will enable the remote volume controller in lieu of the on-board volume control (36), which is then
disabled.
ZCP10A
WALL PANEL
GND RV VCC
Chime Player Sounds
The VMA-1240(B) stores the chime sound which is invoked by the Chime player controls (14, 31. 32)
on a Micro-SD Card. The unit comes pre-programmed with a standard chime sound; however this
sound can be changed to anything the user deems suitable.
To change the chime sound, it is requires to open the unit. Such work shall only be expedited by a quali-
fied technician after disconnecting the unit from AC mains, The safety precautions stated in the “con-
figuration setup” chapter apply.
After opening the unit, expedite the following steps:
Locate the Micro SD card socket on the rear of the front PCB and remove the Micro SC card.
Do not reformat the card, or format the card with the FAT file system if using a new card.
Prepare your file on a PC using an audio editor, for example the freeware Audacity:
Convert the sampling frequency to a value <= 48kHz
Reduce a stereo track to mono
Compress/normalize to a peak level below 0dB (Audacity: Effects/Compressor)
Save the file as WAV (Microsoft) signed 16bit PCM
Re-insert the Micro SD card and close the unit.
The manufacturer may from time to time publish suitable sounds on the product website.
