Spectralink 7520 and 7540 User Guide
14158600 Version 10.0
March, 2014 19
Chapter 3: Basic Handset Options
Turning Handset On/Off
To turn handset on:
• Press left softkey to turn on handset.
To turn handset off:
1 Press left softkey until the question ‘Turn off?’ appears in display.
2 Press Yes to confirm.
When you turn handset off, all content of call register and settings of time and date are deleted if
the subscribed system does not resend the information to the handset.
Adjusting Speaker Volume
Adjusting speaker volume can only be done when handset is off hook. The handset will remember
the speaker volume until you make a new adjustment.
During a telephone conversion you can adjust the speaker volume at any time in relation to the
noise level of the surrounding environment.
Use key placed at the upper right side of handset for volume control.
To turn speaking volume up:
• While off hook, press top of key to turn up volume.
To turn speaker volume down:
• While off hook, press bottom of key to turn down volume.
Locking Keypad
Lock keypad to prevent keys from being accidentally pressed.
To lock/unlock keypad:
• Press Menu followed by to lock keypad.
• Press Unlock followed by to unlock keypad.
To answer a call when keypad is locked, press . When you end the call, the keypad
automatically locks.
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