8
SerVice anD inStallation Manual
2.4c radius Verification
1. Verify the boom angle accuracy. The radius is
calculated from the boom angle. All radius
parameters are pre-calibrated and should not
need adjustements. For details on the radius
adjustement, contact LSI technical support or
consult the online generic GS820 manual on
www.loadsystems.com.
3 Pivot the angle sensor slightly until angle
indication is correct. Repeat the angle validation
(step 1) as required.
2.4b angle calibration procedure
№ 2: correct with the lMS
Calibrate angle indication by adjusting the trim (offset)
value in the LMS display; the LMS will then
communicate the updated trim value to the sensor.
1. Position the boom at a precisely known angle.
2. Go to menu
4)
and select
4B) S
enSor
c
aliBration
.
3. Enter the user password and press
enter
.
4. Select
4B2) M
anual
p
araMeter
a
DjuStMent
.
5. Use
up
and
Down
to select the angle sensor
to be calibrated and press
enter
.
6. Select
2) t
riM
:
and press
enter
to modify.
7. Use
up
and
Down
to modify the trim value.
example:
If angle indicated is 0.3° over the actual
angle, adjust the trim value to -0.3.
example:
If angle indicated is 0.9° below the actual
angle, adjust the trim value to 0.9.
8. Press
enter
to save changes.
9. Press
exit
to return to the operation display.
10.Verify accurate angle indication at both very
high and very low angles.
Figure: angle calibration procedure № 2
Note: When the angle sensor is moved very slowly,
it may take several seconds to see an update at the
LMS display. Instead move the sensor up a couple
of degrees, and then bring it back down to where it
should be. The small light on the angle sensor
flashes when it transmits a new value to the display.
To set the angle sensor to transmit continuously for
5 min., go to menu
4B1) automatic calibration
and select the angle sensor.
SkyAzul, Equipment Solutions
www.skyazul.com
301-371-6126
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