TR7 GNSS System User Manual
36
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Figure 4-8 Benchmark
4.4 Benchmark
The benchmark is used to measure the height of the instrument.
4.5 Battery & charger
- Installation
1, Lightly press the metal button on the battery cover and push it down.
Metal Button
Figure 4-9
Figure 4-10
2,The battery cover can be opened when it bounced upward.
Figure 4-6 4G antenna
Figure 4-7 4G Radio antenna