8 TS22 Series Test Sets
TS22A Speakerphone Mode
To put the TS22A Test Set into Speakerphone mode, connect the TS22A
unit to a line, verify that the test set is in Talk mode, and press the speaker
button once to put it in Speakerphone mode and low volume. Press it a
second time for medium volume. Press it a third time for high volume. Press
the speaker button a fourth time to turn the Speakerphone off or back to
Talk mode.
Depressing the MUTE button while in Speakerphone operation mutes the
transmit microphone for privacy.
TS22A Test Set Speaker Monitor Mode
Put the TS22A unit in Monitor mode, then press the speaker button once to
put it into the Speaker mode with low volume. Press the speaker button a
second time for medium volume. Press the button a third time for high
volume. Press the button a fourth time for off or back to Monitor mode.
TS22DS and TS22A DataSafe™ feature: TheTS22DS and TS22A Test
Sets are designed to Bellcore Technical Reference TR-TSY-000344. The
high impedance monitor allows connection in Monitor mode to DSO and
DS1 data circuits without disturbing transmission.
Power and Connections
Battery
The TS22, TS22DS and TS22A Test Sets have a replaceable 9V (Alkaline)
battery that powers the speaker. If the 9V battery should run down during
operation of the TS22, TS22DS and TS22A only the speaker should be
affected. The test set will continue to function as a normal butt-in test set.
The TS22A SpeakerPhone operates from line voltage in the TALK mode
only.
When the speaker:
■ Fails to operate at all.
■ Operates intermittently.
■ Sounds distorted.
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