DPSI RV Family Operating Instructions Version 2.0
Page 20 of 48
5.3. Connecting the Switch transmitter
With a mechanical switch, one risks a breakdown. There are intense
vibrations at the sidewall of the fuselage. Thus, malfunctions of
mechanical switches were observed many a time. In order to avoid
mechanical influences, electronically switches including self-holding
circuitries are used in DPSI RV systems. The receiver set is turned on
and off using a pin, which just delivers an on / off signal. Putting the pin
into the on-socket (red) turns the DPSI RV on. Putting the pin into the
off-socket (black) turns it off. The DPSI RV stays turned on, even if the
pin gets lost.
A DPSI RV can only be turned off, if the pin is put into the off-socket
(i.e. changing from red to black)! There may be not a pin in each
socket although this does not damage the DPSI RV. In this case, the
equipment would be turned off and the batteries would be discharged
slowly with 12 mA.
During operation, the contacting pin should always be left in the on-
socket!
In the case of a lost pin, you can help yourself by using a 2 mm (0.08”)
wire or screw, which is simply put into the corresponding socket.
The On/Off switch transmitter can be placed wherever desired (e.g. on
a fuselage sidewall). The connection cable with plug is plugged into the
respective multiple plug of the DPSI RV until it locks into place on
impact (see photo). In the event that replacement or removal is
necessary, the plug can be disengaged from the multiple plugs upward
by carefully pulling it out (take hold of the cable directly at the plug).
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