Reading Tips
ALPHA3D USER MANUAL
| 2019-06
P a g e | 5
1 Reading Tips
1.1
Symbol Explanation
: Forbid
: Warning
: Important attention
: Instruction
1.2
Recommendation
CHCNAV provides follow documents for user:
◼
Items List
◼
Alpha3D Mobile Mapping User Manual
The above content is recommended for user to read carefully before first-time use.
1.3
Service & Support
CHCNAV website:
Service hotline: 400-620-6818
Wechat public account: