Cortelco CENTURION EXTENDED BASIC TELEPHONE - Manual (Page 8)

F
EATURES
O
F
Y
OUR
T
ELEPHONE
VOLUME CONTROL Your telephone com-
plies with the latest FCC part 68 regulations
by having a switch in its handset (see
location of switch as shown in pictorial) that
allows the user to increase the subset's
receive volume. This increased volume should
allow persons with hearing impairments to
carry on normal conversations by adjusting
the receive volume to its proper level.
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