[Auto focus :Target sighting by Continuous mode]
qLoosen the telescope clamp and horizontal clamp screws.
wPoint the telescope at the target using a collimator.
eTighten the above two screws.
rAdjust the eyepiece.
tLook through the telescope and then press the AF button for two seconds to
beep, and release the key to enter into the Continuous mode.
yAlign the reticle accurately on the target using telescope and horizontal
tangent screws.
uPoint the telescope to the next target as well.
●Keep the target close to the reticle center when following it by the Continuous
mode.
●Continuous mode automatically ceases after approx. one minute.
●Pressing the AF button or operating the Power focus key releases the
continuous mode.
●Operating the Power focus key rotates the AF ring, so do not touch it while it
is rotating.
293 PREPARATION FOR SURVEYING
Collimator
AF button
Pressing AF
buttons for two
seconds beeps and
release the key.
Target
Collimator
Target sighting
PENTAX R-300 (p20-52) 10/30/02 11:08 AM Page 29