User Manual
SECTION 2: CONTROLS AND CONNECTIONS
15) Music-on-hold (MOH) Volume Knob:
a. This knob will allow you to adjust the volume of the MOH output.
16) Music-on-hold (MOH) Output:
a. These terminals allow output of the amplier’s audio to another source,
such as a telephone paging system.
i. 600 Ohms/1V
ii. 8 Ohms/1W
17) Telephone Paging Inputs:
a. These inputs will allow you to utilize your amplier with a telephone paging system for
purposes of paging.
18) Telephone Paging Volume Knob:
a. If connected to a phone system, this will allow adjustment of the incoming audio.
19) AC Power Inlet:
a. Connect your included power cord here, carefully following all safety instructions.
20) External Fuse:
a. T6.3AL, 250V fuse can be replaced here.
21) Zone Output Switch:
a. Change the format of the outputs between the 4 Ohms/8 Ohms single output and the 70V
zoned outputs.
VERY IMPORTANT: NEVER switch output while amplier is active.
NEVER switch output and power amplier if incorrect speakers are
connected to the output.
Damage can occur to the amplier and/or speakers and the warranty
will be void. If unsure, please consult a professional.
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14) RS232 Connector:
a. This connection allows the amplier to be controlled by a remote source, such as a third
party automation system.
b. Programming instructions are available upon request. Please contact the OSD Audio
Technologies Technical Support department.
PLEASE NOTE: For Music-on-hold and Telephone Paging, please refer to the instructions of your
PBX or telephone paging system for proper function. These are simply passive inputs that allow
for either music to be fed into the phone system for audio while callers are on hold, or for using
the features of the phone system to send a page via a specic output on the phone system.
Installation instructions vary widely by manufacturer. If unsure, please contact a professional.