Panasonic KX-NT551 Quick Reference Manual page 7

Q Microphone: Used for hands free conversations.
R Navigator Key: Used to adjust the volume and the display
contrast or select desired items.
S ENTER *1
: Used to assign the selected item.
T Soft Buttons (S1-S4)
used to select the item displayed on the bottom line of the
display.
U EHS (Electronics Hook Switch) Jack
V FWD/DND
on your extension.
W CANCEL *1
X NEXT PAGE
feature.
Y Sub LCD *1
*1 KX-NT553/KX-NT556 only
*1
: S1-S4 (located from left to right) are
*1
: Used to switch Call Forwarding or Do Not Disturb
: Used to cancel the selected item.
*1
: Used to switch the page for the Self Labeling
: 12 lines
Location of Controls
*1
7