AT&T 999-507-144 system manual Dial one of the following codes to set the volume you prefer

FIGURE 5-9 The Music-on-Hold Jack (MOH) on the MERLIN Plus system control unit

CONSIDERATIONS In order to control the loudness of the Music-on-Hold and the background music for the building, the system administrator can dial a code at the administrator/attendant voice terminal for the preferred volume. The administrator can also turn off the Music-on-Hold and background music by entering a code at the administrator/attendant console.

The system is factory-set for medium music volume.

The music volume can also be controlled at the music source.

The Music-on-Hold feature is designed to accept 8-ohm impedance input, matching the output of most music sources.

ADMINISTRATION	If your responsibilities do not include system administration, skip this
	information.
	From the administrator/attendant console, you can set the volume for Music-
	on-Hold or turn it off by dialing one of the four settings listed below:
	1 Enter administration mode by sliding the T/P switch to P and touching
	Administer.
	2 Dial one of the following codes to set the volume you prefer.
	–	Dial	*12	to	turn off Music-on-Hold.
	–	Dial	*13	to	set the volume to low.
	–	Dial	*14	to	set the volume to medium.
	–	Dial	*15	to	set the volume to high.

Accessory Equipment 5-97