Comdial DSU II SCS84125J Station User's Manual page 86

Other Features
• To use an auxiliary jack feature button,
1. PRESS desired button to enable mode. The display denotes the
feature and shows it to be enabled.
To disable any active mode, press the corresponding feature but-
ton to alternate off.
With the exception of a headset micro-
phone, do not connect the audio output of
any external device to the auxiliary jack. Also, do not connect
the tip and ring leads of a telephone line to the auxiliary jack.
Do not connect any devices to the auxiliary jack other than
those mentioned above.
76
CAUTION
Comdial
GCA70-281
August, 03