Grace Digital GDI-USBM10 Business Audio System - Manual (Page 6)

5
SET UP & OPERATION
o SET UP CONNECTION to a PBX or KEY PHONE SYSTEM
BACK PANEL VIEW:
STEP 1 Plug Power Adapter into a wall power outlet
STEP 2 Plug the Power Adapter into the jack marked “DC 5V”
STEP 3 Plug the Connector Cable to the “AUDIO OUT“ Jack
NOTE: Most phone systems have an RCA connection on the PBX or Key System unit.
Some systems may have a 3.5mm mini connection.
RCA-to-RCA & RCA-to-3.5mm mini connector cables are included.
STEP 4 Plug the other end of the cable into the Phone System’s On-Hold Input Jack.
NOTE: IF the jack cannot be located for the system, contact the vendor for the phone
system to assist to identify the location on the phone system you are using.
o OPERATION
FRONT PANEL VIEW:
STEP 1 Insert the USB Flash Drive into the USB connection slot on the front of the unit
STEP 2 Press the Power Button on the front of the unit to power on the device
STEP 3 Turn the Volume Control Knob on the front of the unit to set the outgoing
volume level to be heard by the caller on hold
NOTES:

Volume Knob controls the built-in Speaker and controls the volume level to
the PBX system / KEY phone system

Continuous playback will begin automatically

Press the Speaker Button to turn the monitor Speaker ON and monitor the
audio output to your system, or turn the monitor Speaker OFF and not
monitor the audio