Greer Company
Greer Company
Greer Company
Greer Company
Crane Systems
1918 EAST GLENWOOD PLACE, SANTA ANA CA 92705
Tel:(714) 259-9702 Fax:(714) 259-7626
MicroGuard
424 Operation/Troubleshooting Manual Horizontal Display Hydraulic Cranes
Page
23
of
52
W424103 REV A 02/13/01
EXAMPLES OF SETTING THE ALARMS
SETTING THE ALARMS
SETTING THE ALARMS
SETTING THE ALARMS
Setting the alarm point is achieved by positioning the crane at the point at which the alarm is to sound and
then, when in the operator alarm screen, using the SET push button to set the alarm. The following examples
illustrate the use of the procedures.
EXAMPLE A
EXAMPLE A
EXAMPLE A
EXAMPLE A
To have an alarm whenever the boom is below a 30° angle, use the following procedure:
1. Press
VIEW
to access the alarm screen. The cursor will be at MIN. ANGLE.
2. Move the boom to 30° angle.
3. Press
SET
to enter the alarm. The displayed value will be the alarm setting, and it will alternate with the
word SET.
4. When the alarm is set, press
SELECT
to return to the working screen. The red lamp and the audible
alarm will operate whenever the boom is below 30°. The message MIN. ANGLE will appear in the
INFORMATION area on the left display.
EXAMPLE
EXAMPLE
EXAMPLE
EXAMPLE B
B
B
B
To have an alarm whenever the boom is above 60° angle, use the following procedure:
1. Press
VIEW
to access the alarm screen. The cursor will be at MIN. ANGLE. Press the DOWN ARROW
to move the cursor to MAX. ANGLE.
2. Move the boom to 60° angle.
3. Press
SET
to enter the alarm. The displayed value will be the alarm setting and it will alternate with the
word SET. Press
SELECT
to return to the working screen. The red lamp and the audible alarm will
operate whenever the boom is above 30°. The message MIN. ANGLE will appear in the INFORMATION
area on the left display.
EXAMPLE C
EXAMPLE C
EXAMPLE C
EXAMPLE C
To have an alarm whenever the boom length exceeds 50 feet, use the following procedure:
1. Press
VIEW
to access the alarm screen. The cursor will be at MIN. ANGLE. Press the DOWN ARROW
to move the cursor to MAX. LENGTH.
2. Extend the boom to 50 feet.
3. Press
SET
to enter the alarm. The displayed value will be the alarm setting and it will alternate with the
word SET. Press
SELECT
to return to the working screen. The red lamp and the audible alarm will
operate whenever the boom is extended beyond 50 feet. The message, MAX. LENGTH will appear in the
INFORMATION area on the left display.