Panasonic kx-tg2730S Operating Instructions Manual page 7

This key has four ac"rive ar885 "rha"l are i~~i~a~~~ by arrows
@ressing the up and down arrows allOws you lo adjust
the
speaker volume and the ringer valutne.
sPressing the righ'r arrow allows
yorr to
skip a message.
Pressing the left arrow allows you b.3 repeat a
message.
@The right and left arrows are also used to select the
ringer tone.