Hirschmann iFLEX5 - Page 16

Operator's Manual iFLEX5
© Hirschmann Rev. E 11/12/08 190147_E
10
Key Switch
 The anti-two-block switch cut-off function is deactivated when
the KEY SWITCH (12) is turned to position "B" and the “By-pass
A2B” button (13) is pushed.
OR
 The LMI cut-off function is deactivated when the KEY SWITCH
(12) is turned to position "B" and the “By-pass LMI” button (14) is
pushed.
KEY SWITCH (12) can be operated only by using the matching key.
Button "By-pass A2B"
This button can be operated only if key switch (12) is turned to
position B.
After pushing this button, the cut-off function of the anti-two-block
switch is deactivated.
The Override Key Warning Light (5) flashes to indicate that the cut-off
function is deactivated.
Since button (14) and (15) deactivate the cut-off function of the LMI system / the anti two-
block system, the following instructions must be obeyed:
• The by-pass function shall be used with discretion, as unwarranted use of it to override
the control lever lockout system can result in harm to the crane and danger to property
and persons.
• Never use the by-pass function to either overload or operate the crane in a non-
permissible range.
Button "By-pass LMI"
This button can be operated only if the key switch (12) is turned to
position B.
After pushing this button, the control lever lockout function of the LMI
is deactivated.
The Override Key Warning Light (5) flashes to indicate that the cut-off
function is deactivated.
Contrast Control
This function serves for the contrast adjustment of the LC display.
The last adjustment is stored and does not have to be repeated at
every system start.
During normal LMI operation the display contrast can be adjusted by
pressing the “+” or “-“ button.