NEC SL2100 - 5.8 Soft Key Operations During Outside Call

SL2100 GETTING STARTED GUIDE
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5.6 Wall Mounting the Multiline Terminal
5.6.1 Digital Multiline Terminal
1) Arrange the cables and put down the leg as shown below.
2) Remove the hook-switch hanger and Insert the hook-switch hanger in the slot below the
hook switch.
3) Install two screws into a wall. The screw heads must protrude about 3 mm (0.12”).
4) Attach the phone to the wall.