คู่มือผู้ใช้เลเซอร์วัดระดับ ERMENRICH LT10/LT30
Ermenrich LT10/LT30 Laser Level User Manual LT10/LT30 Laser Level 1 ON/OFF button 2 Laser window 3 Lock/unlock switch 4 Battery compartment 5 Tripod adapter 6 Power indication Ermenrich LT10/LT30 Laser Level Getting started Make sure that the lock/unlock switch (3) is in…