Multi Pro 5800 Page 8 − 53 GeoLink Spray System
Inertial Measurement Unit (IMU) (machines with RTK correction)
The IMU is an electronic device that measures and re-
ports the machines force and angular rate using an ac-
celerometer and a gyroscope. The IMU allows the GPS
receiver to work when GPS−signals are momentarily
unavailable, or blocked, or when electronic interference
is present.
NOTE: RTK enhanced systems include a modem and
IMU installed in the GPS antenna housing, plus a short
vertical antenna mounted alongside the GPS antenna.
NOTE: The ASC−10, the X25 or X30 control console,
the GPS antenna assembly (including the modem and
the IMU for machines with RTK correction) are pro-
grammed specifically for each sprayer. If any of these
components require replacement for any reason, con-
tact the National Service Network (NSN) or your Toro
Distributor. The replacement components provided
should arrive pre−programmed for the specific sprayer.
Removal (Fig. 61)
1. Disconnect the cellular antenna from the GPS anten-
na and remove the GPS antenna from the sprayer.
2. Remove the bottom cover from the antenna housing.
3. Carefully remove the IMU from the antenna housing.
Installation (Fig. 61)
1. Align the 10−pin connector and press the IMU into
the GPS antenna housing until it is fully seated.
2. Secure the IMU to the antenna housing with the two
(2) captive screws.
3. Install the GPS antenna bottom cover.
4. Install the GPS antenna to the sprayer and connect
the cellular antenna.
1
2
3
1. GPS antenna assembly
(shown upside−down)
2. Inertial measurement
unit (IMU)
3. Bottom cover
Figure 61
GeoLink
Spray System
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