The steps are as follows:
1: Open the POI_DATA folder of NaviOne in the card root directory.
2. You can see many CLD files and POI numbers. CLD RDCRS number.
3: CLD The figures here are the first two digits of the provincial ID cards. Find the file corresponding to your province and delete the map files of other provinces.
4. Note that a province generally has two files, namely POI**. CLD RDC RS * * CLD
5. The provincial reconciliation is as follows:
1 Beijing POI02 RDCRS02
Tianjin POI03 RDCRS03
Shanghai POI04 RDCRS04
Chongqing POI 13 RDCRS 13
Hebei POI 14 RDCRS 14
Shanxi POI 15 RDCRS 15
Inner Mongolia POI2 1 RDCRS2 1
Liaoning POI22 RDCRS22
Jilin POI23 RDCRS23
Heilongjiang POI32 RDCRS32
Jiangsu POI33 RDCRS33
Zhejiang POI34 RDCRS34
Anhui POI35 RDCRS35
Fujian POI36 RDCRS36
Jiangxi POI37 RDCRS37
Shandong POI4 1 RDCRS4 1
Henan POI42 RDCRS42
Hubei POI43 RDCRS43
Hunan POI44 RDCRS44
Guangdong POI45 RDCRS45
Guangxi POI46 RDCRS46
Hainan POI5 1 RDCRS5 1
Sichuan POI52 RDCRS52
Guizhou POI53 RDCRS53
Yunnan poi54 rdcrs54 * * poi61rdcrs61
Shaanxi POI62 RDCRS62
Gansu POI63 RDCRS63
Qinghai POI64 RDCRS64
Ningxia POI65 RDCRS65
Xinjiang POI85 RDCRS85