Specifications

MJIATD-1472E
5.4.3.1.2 Foot
or)erateds-
.
.
5.4.3.1.2.1 ~. Foot-operatedswitchesshouldbe usedonly wherethe opemQr is likely to
have both hands occupied whenswitch actuationmayb qti or wh~ lo~ s~.i! ~ong
limbs is desirable. Becausefoot-operatedswitches are susceptibleto accidenti actuation, their uses
should be limited to non-criticalor infrequentoperationssuchas press-to-talk communication or
vehicle headlight
dmming.
5.4.3.1.2.2 Operation. Footswitches shall be positionedfor operationby the toe and the ball
of the foot rather than b the heeL They shall not belocatedsonear an obstructionthat the operator
!
cannot center the balI o the footon the switchbuttm A pedalmaybe used over the button to aid in
locating and operating the switch. If the switch maybecomewetand slippery, theswitch cap
surface should providea high degreeof fictional resistance.
5.4.3.1.2.3 -ions. resistance~men~
.
Dimensions,resistance, and
displacementof foot-operatedswitches shall conformto the titmia in Figure 12. While only one
switch per foot is preferred, whenone foot must be used too rate morethan one switch, such
r
switches shall beat least 75 mm (3 in) apart (horizontal);20 q (8 in) apart (vertkxd).
5,4.3.L2.4 Feedback. A positive indicationofcontrol activationshall be provided (e.g., snap
feel, audibleclick, or associatedvisual or auditorydisplay).
-+ Dk
DiAMETER
RESISTANCE
D
foot Will
foot~
Not Rest Rest On
dEZrmtrol Control
*
Minimum 13mm
18 N
45 N
(1/2 In.)
[4
tbt
(10 lb)
Maxtmum
WN
80N
(20 b)
QG W
IXSPIACEMENT
13 mm
25 mm
25 mm
I
25 mm
(112Id
(1 In.)
(1 In.)
{1 tn.)
65 mm
65 mm 65 mm
I
100 mm
[2-1/2
in.!
I
!2-1/2 id
[2-1/2 id
I
[4 irJ