DELTA LTL-XL Retroreflectometer 23
The levels can be adjusted on a scale from 1 (lowest brightness) to 10. Press OK to activate
the function and use UP and DOWN to change the values. Press LEFT or BACK to store.
It is also possible to adjust the time before the light switch to dimmer mode from 5 to 120
seconds or set to OFF. The back-ground colour of the display can be switched off.
WARNING: Using high brightness will drain the battery faster!
Setting the sound level
Press the MENU button and select SETTINGS / SOUND. Select KEY CLICK or SOUNDS to set
the individual sound levels for key click and system sounds. Use the UP or DOWN button to
set the level. Accept the setting by pressing the OK-button.
To activate a highly audible beep when the instrument has finished measurement set BEEP to
ON by pushing the OK-button.
Note:
Auto Sleep (Power)
To save power the instrument can be setup to automatically change to Auto Sleep mode. The
Auto Sleep time can be set from 1 to 30 min. in intervals of 1 min. or it can be deactivated
(OFF). Press the ON/OFF button to wake up from sleep/standby.
Press the MENU button and select SETTINGS / POWER / AUTO SLEEP. Use UP and DOWN to
edit the auto turn sleep time. Press OK, LEFT or BACK to accept.
The beep indicates that the measurement is taken and the instrument can be
removed from the road marking. Data processing can be on going after the
beep and after a moment the display is updated.
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