Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 521)

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Touch Sensitivity Settings
1 Select [ 5 : Touch control].
2 Select an item.
 [Sensitive] provides a more reactive
touch-screen panel response than
[Standard] .

To disable touch operations, select
[Disable] .
Cautions for Touch Control Operations
o Do not use sharp objects such as fi ngernails or ballpoint pens for touch
operations.
o Do not use wet fi ngers for touch operations. If the screen has any moisture or
if your fi ngers are wet, the touch-screen panel may not respond or malfunction
may occur. In this case, turn off the power and wipe off the moisture with a
cloth.
o Attaching any commercially available protective sheet or sticker on the screen
may degrade the touch operation response.
o If you quickly perform touch operation when [Sensitive] is set, the touch
operation response may be poor.