Topcon GTS-823A - Manual (Page 27)

2-3
2 PREPARATION FOR MEASUREMENT
2.3 Power Switch Key ON
l Self checking option
The self checking function is to check internal communication and tilt sensor offset value.
When ambient temperature is changed or the instrument is not balanced by its internal battery is
attached or detached, the self checking is recommended.
l Password option
Setting a password (Maximum 10 digits number) and activating ON of password option can be helpful
to avoid miss operation by unauthorized operator.
Setting password option is necessary to use this function.
To set password option, see Chapter 8 “PARAMETERS SETTING MODE” .
l Choosing the first mode when turning on the instrument
You can choose the first mode from the following modes when turning on the instrument.
1. Main Menu 2. Standard Measurement Mode 3. External Link
See Chapter 8 “PARAMETERS SETTING MODE” .
l ON/OFF of a self check function can also be chosen.
See Chapter 8 “PARAMETERS SETTING MODE” .
l Confirm the battery power remaining on the display. Replace with charged battery or charge when
battery level is low. Refer to Section 2.4 “Battery Level Indicator” .
1) Confirm the instrument is leveled.
2) Turn the power switch ON.
3) Type your password.
Self checking mode will display.
To skip the self checking, press [F1](ESC)
key.
Level the instrument by turning the leveling
screws.
When the leveling is within ±30" and
stable, the self checking will start.
The instrument will turn automatically and
the tilt sensor offset value will be measured
and memorized.
After checking, the main menu icons will be
shown.
Power ON
Battery Power Remaining Display
2003-10-10 14:30
Main menu icons
X:+0°00'00"
Y:+0°00'00"
Self check mode
ESC
Self checking ...
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Input a password
[ ]
Self checking ...
Prog Std Mem Comm Adj Para