LG CU515 User Manual page 16

Your Phone
Advice to the customer
In order to allow better antenna sensitivity LG suggests that
you hold the handset as depicted in the figure below.
please do not cover the antenna area with your hand during
a call and using a bluetooth connection. It may degrade
speech quality.
12
Speaker key
You can use the speakerphone during a call
by pressing the or
key located on the top of the phone. The
loudspeaker is automatically deactivated
when you end the call.
[speakerphone]