User's Manual

14
VOLUME CONTROL: The switch toward the middle of the board, numbered “2” controls the
volume level of the horn. To reduce the volume level, press the rocker switch toward the “OFF”
or “OPEN” position. To restore full volume level, press the switch toward the “ON” position.
Horn printed circuit board
Switch
number “1”
Switch
number “2”
7.0 Product Selection Guide:
7.1 F21 Models
Complete Systems
Model
Typical Applications
Number of
Motion Buttons
& Steps
Control
Voltage
Number of
Transmitters
F21-2S
Hoist, winch, lifts, doors,
conveyors etc…
2 button, 1 step
110-220VAC
1
F21-2S-DC
Truck Equipment, winches,
hoists, etc…
2 button, 1 step
12-24 V
AC/DC
1
F21-2S-2TX
Hoist, winch, lifts, doors,
conveyors etc…
2 button, 1 step
110-220VAC
2
F21-2S-DC-2TX
Truck Equipment, winches,
hoists, etc…
2 button, 1 step
12-24 V
AC/DC
2
F21-4S
Monorails, dual hoists, etc…
4 button, 1 step
110-220VAC
1
F21-4S-DC
Truck Equipment,
monorails, dual hoists, etc…
4 button, 1 step
12-24 V
AC/DC
1
F21-4S-2TX
Monorails, dual hoists, etc…
4 button, 1 step
110-220VAC
2
F21-4S-DC-2TX
Truck Equipment,
monorails, dual hoists, etc…
4 button, 1 step
12-24 V
AC/DC
2
F21-2D
Hoist, lifts, etc…
2 button, 2 step
110-220VAC
1
F21-2D-DC
Truck Equipment, hoists,
lifts, etc…
2 button, 2 step
12-24 V
AC/DC
1
F21-2D-2TX
Hoist, lifts, etc…
2 button, 2 step
110-220VAC
2
F21-2D-DC-2TX
Truck Equipment, hoists,
lifts, etc…
2 button, 2 step
12-24 V
AC/DC
2
F21-4D
Monorails, dual hoists, etc…
4 button, 2 step
110-220VAC
1
F21-4D-DC
Truck Equipment,
monorails, dual hoists, etc…
4 button, 2 step
12-24 V
AC/DC
1
F21-4D-2TX
Monorails, dual hoists, etc…
4 button, 2 step
110-220VAC
2
F21-4D-DC-2TX
Truck Equipment,
monorails, dual hoists, etc…
4 button, 2 step
12-24 V
AC/DC
2