New version 1.2 is in the review pipeline, new features: 1. calibration for the horizontal indicator and a vertical measurement inthe calibration menue. the calibration is done with 2 measurements (turning the device by 180 deg )- 2. some refinements in the TC Calc, as false drop code indication and rounding up. 3. bug fix when RCL is pressed and the fps changed inthemeantime the old TCis recalled (inconsistent with the frame display till an op is done)