Do this adjustment for X servo first. If it does not correct the issue, do Y1 and Y2 axis servo.
There are for buttons. the first one on left is the mode, second one is up key, third one is down key, fourth one (place key) adjusts the ones, tenth and hundreds place. To confirm hold the fourth button for a few seconds.
Press the mode button once
Press the mode button second time
Use up key and place key to adjust number to 103
Hold on the place key until the next screen appears
If it is 00 400, stop here. Otherwise adjust it to 00 400 using up, down key and place key. Hold place key to confirm.
You are done now.