User's Manual

Spectra Precision Focus 4 Total Station User Guide 47
Getting Started 3
Bubble indicator
The bubble indicator appears if the instrument goes out of level while the
compensator is turned on. It also appears directly after the start up screen.
To display the bubble indicator in an observation screen at any other time, press .
The Focus 4 total station has a two-axis level
compensation. To turn the leveling compensators on or
off, press
[<] or [>]. When the levelling compensators are
turned off, the text
OFF appears on the screen.
If the instrument is more than ±3'30" out of level, the
text
OVER appears on the screen.
To return to the observation screen, press
[ESC] or [ENT].
Laser plummet (option)
Laser plummet on / off
Do one of the following:
• To turn the laser plummet switch on,
press .
• To close the bubble indicator window, press [ESC].
• To turn the laser plummet switch off, press
.
• To open the luminance adjustment window,
press
[Lumi.].
• To turn the laser plummet switch off and close
the bubble indicator window, press
[ESC].
Laser luminance adjustment
Laser luminance can be set to 4 levels.
• To set the luminance brighter by one level, press
[Max.] once.
• To set the luminance darker by one level, press
[Min.] once
To return to the bubble indicator window, press
[ESC] or [ENT].
Note – The current setting of leveling compensators is indicated by header characters (:, #,
:, and #) after field labels (such as HA, VA, SD, and HD) in observation screens. For more
information, see Header characters, page 45.