OPERATING CONTROLS AND PROCEDURES GRT8100 OPERATOR MANUAL
3-34 Published 3-25-2020, Control # 595-10
Table 3-1: Active Indicator Symbols
When a limitation is active, audible alarms are generated.
Table 3-2: indicates the behavior of the audible alarm for the
various limitations when the WRL is configured to only have
an alarm (not lockout). When the WRL is configured for the
lockout option, the alarm is generated based on when crane
functions are being affected.
The operator should notice that all the audible alarm triggers
use the values of 10 and 5. This may be 10 or 5 degrees, or it
may be 10 or 5 ft distance. This is intentional so that the
operator can continue to watch the crane operation and not
have to look at the display (assuming the 10 and 5 values are
remembered). Whenever slow beeping is heard, this will be
a 10 threshold. Whenever fast beeping is heard, this will be a
5 threshold. Whenever there is a solid sound, this will signify
being at the limitation.
Symbol Description
Height Limitation is Active indicator symbol
(amber color)
Boom Up/Down Limitation is Active indicator
symbol (amber color)
Radius Limitation is Active indicator symbol
(amber color)
Swing Limitation is Active indicator symbol
(amber color)
Wall Limitation is Active indicator symbol
(amber color)
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