32 MTM5400 Mobile Terminal Installation Manual INSTALLATION
Trunnion Installation
Installation Planning
The trunnion allows the terminal to be mounted to a variety of surfaces.
1. The trunnion must be securely fixed to the vehicle chassis.
2. Ensure the surface can support the weight of the terminal.
3. Although the trunnion can be mounted to a plastic dashboard, it is recommended that the
mounting screws be located so they penetrate the supporting metal frame of the dashboard.
4. Ground the radio housing to the nearest vehicle chassis ground point, which can be done by
removing the paint from the trunnion where the radio and vehicle chassis touches the
trunnion, or use a short cable with ring lugs in both end and connect this to chassis under
wingscrew.
Figure 4 Terminal into High Profile Trunnion (GLN7317)
Figure 5 Terminal into Key Locked Mount Trunnion (RLN4779A)
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