Topcon GTS-823A - Manual (Page 15)

1-4
1 NOMENCLATURE AND FUNCTIONS
l The symbol marks for Auto-tracking and Auto-collimating
1.3 Operating Key
Auto-collimating
(Laser is emitting)
GTS-820A series is in auto-
collimating status. Auto-tracking
(Laser is emitting)
GTS-820A series is in auto-
tracking status.
Waiting (Laser is emitting)
GTS-820A series is in waiting
status. Searching (Laser is emitting)
GTS-820A series is searching a
prism.
Failure in auto-collimating.
(Laser is off)
GTS-820A series could not find
the target prism during auto-
collimating.
KEY NAME FUNCTION
F1~F6 Soft key Functions are according to the displayed message.
0~9 . - Numeric key Numeric Character Entry for Preset Data
A ~/ Alpha key Alpha Character Entry
ESC Escape key Escape to Previous Display or Menu
* Star key Optional instrument functions
ENT Enter key End operation of data input and accepts data
POWER Power key
ON/OFF of power source.
(Power key is located on the side of the instrument.)