33. CHANGING THE SETTINGS
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Power-saving automatic cut-off
To save power, power to the ES is automatically cut off if it is not operated
for the selected time.
Resume function
When the Resume function is set to “On” and the power is switched off and
then on again, the screen appearing before the instrument was switched off,
or a prior screen is redisplayed.
• When the Resume function is set to "Off", values input before the power is
switched off will disappear.
EDM ALC
Set the light receiving status of the EDM. While carrying out continuous
measurement, set this item according to the measurement conditions.
• When EDM ALC is set to "Free" the instrument’s ALC will be automatically
adjusted if an error occurs as a result of the amount of light received. Set to
"Free" when the target is moved during measurement or different targets
are used.
• When "Hold" is set, the amount of light received will not be adjusted until
initial adjustment has been performed and continuous measurement
completed.
• Try setting to "Hold" when the light beam used for measurement is stable
but is frequently obstructed by obstacles such as people, cars, or tree
branches etc. preventing measurement from being performed.
• When the distance measurement mode is set to "Tracking" (target is
moving during distance measurement), the distance will be measured in
"Free" status regardless of the EDM ALC setting.
EDM ALC Hold, Free*
Guide pattern 1 (the red and green lights flash simultaneous-
ly)*/2 (the red and green lights flash alternately)
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