RATTLER TC35-640/TC50-640
USER MANUAL
25
2.2.20 ELECTRONIC ACCURACY CORRECTION
After mounting of clip-on to the weapon with day scope the clip-on optical axis
can be offset off scope optical axis. The Image Calibration function supports
manually adjusting the position of the live preview window by pressing the
buttons up, down, left, and right. The image region could be adjusted in 4
directions in the whole OLED screen area.
Adjust the electronic accuracy correction as follows:
1. Aim your day scope to the middle of target and shoot. This action will test the
control of day scope accuracy.
2. Mount the Rattler TC on the day scope. Aim at the center of the target and
shoot again.
3. Press
and buttons together in the view mode to display the Image
Calibration menu.
4. Press or buttons to move image in horizontal direction. Press or
buttons to move image in vertical direction.
While using the Image Calibration, the display shows value of axis X
(horizontal) and Y (vertical). Оne step of image calibration means 0.25 mil /
0.86 MOA / 2.5 cm at 100 m distance / 0.86 in at 100 yd distance.
5. Hold button to restore default settings (X=0, Y=0).
6. Press button to save image position and exit Image Correction menu.
For example:
When the point of impact with Rattler is 5 cm on the right side and 7.5 cm on
the up side of previous point of impact (previous aiming position), move the
image to the right by pressing button 2 times (the X value will increase by
two), and move the image up by pressing button 3 times (the Y value will
decrease by three).
FIGURE 2-13. IMAGE CORRECTION
X=0, Y=0
X=+68, Y=+58
