You can download the complete operating manual from Geoinstrukcii (Russian) or the Official Sokkia Support (English) .
Detailed steps for instrument centering, leveling, and initial surveying setup are available via Scribd . Core Instructions & Features Тахеометр Sokkia SET 550RX - Русгеоком instruktsiia sokkia set 550rx
The is a versatile electronic total station part of the Series 50RX, designed for surveying and construction tasks. Official Manuals & Resources You can download the complete operating manual from