Topcon RL-100 2S - Nomenclature

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Nomenclature
ESC
MENU
ENT
RL-1
00 2S
X/Y
Rotary head/Laser emitting window
Beam aperture
RC-400 Remote Controller
Handle
Battery holder DB-67C
Control panel
Battery compartment lock
Display
Escape key
Enter key
X/Y key
Power
switch
Arrow keys
MENU key
Display