Front Panel; Instruction For Button-Label Strips; Self-Test Button; 1-2 Switch - AT&T callmaster User Manual

Digital voice terminal
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Front Panel

As shown in Figure 7, the front panel drops down to reveal:
Instructions for
button-label strips

Self-test button

1-2 switch

Ringer-volume control
Follow these instructions to remove or insert button-label
strips for call-appearance and feature buttons. (These strips
will probably be labeled for you. However, if they are not,
or if you need to change a label, you can remove the strips
and write or type on them.)
Use to test the lights, ringer, and display.
1 Gently pull down on the front panel to open it.
2 Press and hold the self-test button. If all is well, the
ringer sounds, the lights go on (one field of lights at a
time), and the display shows 80 discrete blocks.
3 Release the button. The ringer stops, the active lights
go off, and the display returns to its former state.
This switch is set by the installer; you should not change the
switch setting.
Move the control to the right to increase the ringer volume
and to the left to decrease the volume.
Figure 7. Front Panel
7

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