JTS CS-120 Series, Manual, Page: 34 / 56

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4-3-6-3 “Keys”
Test button before a conference, especially when a conference needs to vote.
Button Test can ensure the accuracy and credibility of vote.
a) When accessing into Button Test screen, all connected conference units
will enter button test state; the button light of conference units will start
flickering.
b) The tester presses correspondent button, and the button light will be off; in
the meantime, the speaker of the conference unit will produce alert sound. If
the button light is not off after pressing the button, or the button is off before
pressing the button, it means that the button is abnormal.
c) After completing all button test, press “End” to return to the parent
directory.
4-3-6-4 “Speaker”
Test if the speaker of conference unit is normal. The screen will show the
tested conference unit number, and the speaker of the conference unit
will produce alert sound. If no alert sound is produced or the alert sound
is abnormal, it means that the speaker does not operate normally. If no
conference unit is connected, the user cannot enter into this screen.
a) Press “Previous/Next” to test all conference units
b) After testing all speakers of conference units, press “End” to exit the test
screen and return to the parent directory.