Panasonic AW-RP555L Mode D'emploi page 9

Parts and their functions
 WHITE BAL [A/B/ATW] buttons
These are used to select the camera's white balance adjustment in the pan/tilt head
system currently selected.
A: When the A button is pressed, the white balance status entered in the camera's
memory A is established, and the A button's lamp comes on.
If the AWC button is pressed after the A button was pressed, the white balance
is automatically adjusted and entered in the camera's memory A.
B: When the B button is pressed, the white balance status entered in the camera's
memory B is established, and the B button's lamp comes on.
If the AWC button is pressed after the B button was pressed, the white balance
is automatically adjusted and entered in the camera's memory B.
ATW: When the ATW button is pressed, the white balance is set to the automatic
adjustment mode, and the ATW button's lamp comes on.
 AWC button
When the WHITE BAL [A] button or [B] button has been selected, press the AWC button
to automatically adjust the white balance and enter the adjustment in the camera's
memory A or memory B.
While the white balance is being adjusted, the AWC button's lamp flashes; when it has
been adjusted properly, it goes off. It comes on when it was not possible to perform the
adjustment.
p This function does not work if the MODE button has been set to BAR (the MODE
button's lamp is lit) or if ATW has been selected.
p It may not be possible to adjust the white balance if there is no white object on the
screen being shot.
p When using a pan/tilt head other than the AW-PH350, AW-PH360 or AW-PH650,
the button's lamp also goes off when the white balance has not been adjusted
properly.
8 (E)