Pentax K-5 Operating Manual page 18

You can set the text size of an item selected on the respective menu
screens to [Standard] (normal display) or [Large] (magnified display).
Set in [Text Size] of the ['& Set-up 1] menu
(p.278).
Setting the Guide Display Time
Set the length of time that the guides are displayed on the monitor when
the camera is turned on or the exposure mode is changed. (p.24)
Select from [3 sec.] (default setting), [10 sec.], [30 sec.] and [Off].
Set in [Guide Display] of the ['& Set-up 1] _,,,,,,,, _. ......... ,,
menu (p.278).
Text Size
Beep