DELTA
LTL2000S(Q) Retroreflectometer
3
Getting started
Buttons
Measure Menu Enter Home OFF
Calibrate Print Sc roll down Scroll up ON
Measuring
Turn the instrument on by pressing and holding the button until the LCD shows:
Calibrate the instrument if necessary, see
Calibration
page 6
.
Place the instrument on the road marking. Press the key.
The measurement will start instantly. Duration approx. 3 sec. depending on measurement
mode (approx. 5. sec when measuring both Rl and Qd).
When finished the measured Rl (and Qd) values, the date/time or measurement id and status
info is displayed. The information’s are automatically transferred to the internal data log for
later readout to the serial communication port or printout.
The instrument can automatically calculate and display the mean (average) value of 2 or more
measurements, if the Mean Calc function is
ON
. See
Menu system.
Warning and Errors
Warning and errors are indicated in the lower right positions in the second line of the display:
*
=
Everything
O.K.
W
= Warning Measurement O.K. but warning condition detected.
L
= Warning Measurement O.K. but high stray light detected.
E
=
Error
Measurement
unreliable.
If the error indicator is different from
*
then press to print–out the status from the last
measurement or press
one or more times to select
Status Display
and then use
to
Retrometer
2004-01-08 10:55
Retrometer
LTL2000SQ v1.6
