1. Before Use
1.4 Maintenance Recommended Display
In order to maintain the measurement accuracy of this instrument, it is recommended that
calibration and maintenance be performed once a year. After purchasing the instrument, or after 1
year has elapsed since calibration was last performed by TOPCON TECHNOHOUSE factory, the
following message will be displayed when the power is turned ON to indicate that it is time to
perform calibration.
This display is displayed and a buzzer sounds until any inner switch is pressed, then the display
advances to the next screen.
To automatically pass this process, set the setting for the maintenance recommendation screen
to OFF.
Maintenance Recommended Display Setting
☞
「3.13 Maintenance Recommended Display」
Attention!!
A maintenance is
required.
Hit Inner SW