Pentax ZOOM 105-R Operating Manual page 27

HOW TO SEUECT MOOES
To select an exposure mode, press the yellow To select a drive mode, press the blue drive
mode button O- button O-
Press buttons O and or Q in succession to set the
required modes.
To finely adjust the settings of the Self-Timer Shooting.
Bulb. Bulb-Sync, and Interval Shooting modes, move the
zooming lever to the left f ♦♦♦ ) or right
{
f ) while
keeping the black SETTING button Q pressed.
To reset the timer of the Self-Timer shooting. Bulb.
Bulb-Sync, or Interval Shooting mode once the timer is
activated, slide the power switch upward: the timer of
each mode is canceled, and the power wilt not be
switched off.