60 Auto Ref/Keratometer HRK-8000A ------------------------------------------------------------------------------------------------
Phenomenon 8 : Auto Focus movement is unstable or not working.
Turn on Auto Focus mode and check
focusing movement using test model eye.
Decrease DIST CONST of the direction
Moving too slow around focus?
Moving too fast or
Passing away the focus?
Increase PWM BASE of the direction
(1 or 2 steps)
Increase DIST CONST of the direction
Decrease PWM BASE of the direction
(1 or 2 steps)
Yes
N
o
Yes
Okay
Contract with Distributor.
N
o
Check settings are valid
in Auto Focus Setup
Not moving on X or Y or Z direction ?
Yes
N
o
