119
Troubleshooting
Message Description
A note of precaution when cleaning the air lter. 
Please immediately turn the power off, and clean or 
change the air lter referring to the Cleaning and 
replacing the air lter section of this manual. After you 
have cleaned or changed the air lter, please be sure to 
reset the lter timer (
70, 114).
The button operation is not available.
Check the button you are going to use (
6). Even when 
a usable button is pressed, all button operations are not 
available under the following conditions.
-  While the lens is moving, button operation from the 
control panel or the remote control might be ignored.
-  Pressing the one of buttons to call a signal input might 
be ignored, when all the input ports belonging to the 
category the button's name shows are set to the "SKIP" 
by the item SOURCE SKIP of the OPTION menu.
Related messages (continued)