Electronic switch 2A (opto)
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The programming of the on position/range is achieved by using a magnet. The current switch
state and faults are displayed with the onboard green LED.
The optional "external blue LED" can be connected to the electronic switch (opto) and should
be placed somewhere visible from outside of the model. The external LED is only lit when the
switch status is "ON" and the external power source is connected. This helps when looking
for faults (dead battery, damaged cable, ...).
If the servo-signal is missing for more than 2.5 seconds, the load is switched OFF and cannot
be activated unless the receiver is power cycled. Also, the green LED will blink every half
second.
The described characteristics make the electronic switch (opto) a perfect way to switch the
ignition ON/OFF
for gas powered engines
with battery powered igintion. If there is no free
channel on the receiver left, the electronic switch (opto) can be used on the same channel with
the throttle servo. The "ON" range has to be programmed for the whole range of the throttle
stick. To disable the ignition, use throttle cut or throttle trim to move the throttle signal below.
You should consider programming the failsafe settings to cut the ignition.
2
Installation
2.1
Electrical Installation
2.2
Mechanical Installation
The electronic switch (opto) should be mounted using double sided foam tape or hot glue on
the inside of the outer hull of the model, so you can program it using the magnet.
Notice:
The electronic switch (opto) is programmed by a magnet. Mare sure you place it
away from strong magnetic fields, like brushless motors or canopy mounting
magnets.
3
Programming
Make sure the radio and receiver are powered and the electronic switch (opto) is connected to
the right channel. Also make sure the channel is set to the desired "ON" position.
Hold a magnet to the magnet-sensor (white dot). If the magnet is near enough, the green LED
starts blinking. To enter programming mode, keep the magnet near the sensor for 4 seconds.
The green LED will start flickering, the switch is turned "ON". If you only want to program a
fixed switch position, you are done now. If you want to program a "ON"-range, then move the
corresponding stick on the radio to the upper and lower limit. The electronic switch (opto)
RX cable
socket for the external blue LED
green LED
magnet-sensor (white dot)
external
battery
load
red
….….
external
batte
ry
(positive
)
orange
….switched positive line
brown
…..load (negative)