Topcon LS-B4 User Manual

5 OPTIONAL ACCESSORIES
5-6
5.2.3 RD-2 Display
This illustration depicts the reaction of the RD-2 display as the LS-B4 sensor is moved
down through the path of a rotating laser.*
* This illustration is for reference only. Actual blade direction adjustment could vary based on the motion and
attitude of machine. ** Tolerance may vary based on rotating laser used, distance from laser instrument
or atmospheric conditions.
Blade direction
to achieve
on-grade* DOWN DOWN
ON-
GRADE UP UP
LED Display
LED display
indication
Solid Blinks Solid Blinks Solid
Blade position
relative to
on-grade
High Slightly
High
On-grade**
to within:
±6mm
(Mode 1)
±20mm
(Mode 2)
Slightly
Low
Low
Display steps:
5 steps (RD-2)
7 steps (LS-B4)
The following indications are not displayed on the RD-2:
Double power supply connection warning; Battery power light; Rotating laser height alert warning.
LS-B4E-1.book6 ページ ２００１年５月１８日 金曜日 午前１１時５９分

Topcon LS-B4 Specifications

General

Brand	Topcon
Model	LS-B4
Category	Accessories
Language	English