Headset base and handset lifter installation
Adjust the switch hook presser position
Turn the knob to move the switch hook presser until it is lined up with your telephone switch hook.
Adjust the height of the lifter arm
Turn the ADJUST LIFTER knob to change the height of the lifter arm. When in the raised position, the arm should release the switch hook so you can hear a dial tone. When lowered, the arm should hold the switch hook down so that there is no dial tone.
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