Topcon AGA5495, Operator'S Manual

Page: 89 / 144

Chapter 10 – Steering Calibrations
71
Note : Mounting bias calibration should be performed if any of the
above change or at a minimum once every 6-12 months.
It is advisable to still perform a mounting bias calibration when using
Autonomous as the Correction Source , even though the screen reports
that it is not required.
Mounting bias calibration is done in a clear area well away from
obstacles. If the mounting of the receiver is not quite level, this
calibration will adjust for the actual position.
WARNING: Ensure the vehicle has sufficient space to
travel in a straight line for at least 70 m/230 ft and then
turn at each end of the wayline.
1. Select
/ Steering Options Menu / Auto Steer
Calibration .
The Steering Calibration screen displays.
2. Select
MOUNTING BIAS
. If the component reports as calibrated,
still complete the calibration procedure if the receiver has not been
calibrated on this vehicle.
Note : To calibrate for mounting bias, ‘A’ and ‘B’ wayline points
are plotted over 70 m/230 ft, driving the vehicle at 2 kph or
1.2 mph along the wayline. The operator turns the vehicle around at