AT&T 518-600-016 manual Hands-Free Unit HFU is a speakerphone that allows

Hands-Free Unit

The Hands-Free Unit (HFU) is a speakerphone that allows

people to place and answer outside and intercom calls without using the handset (Figure 2-32). Connect a HFU

to the “OTHER” jack on the voice terminal.

D 8 A C

c o r d

M i c r o p h o n e

l i g h t

S p e a k e r p h o n e light

Volume control

FIGURE 2-32 A Hands-Free Unit.

2-120 Adding Accessories