Ex manual Rev 0 - Oct 29, 2014 8
Either turn the key switch to the off position and pull the key, or remove the
rechargeable battery or the battery compartment from the receptacle when
putting the transmitter down. This will prevent undesired use or misuse of
the transmitter by third parties.
1.6. Protection devices
All of Hetronic’s industrial radio Controls are fitted with a STOP button on the transmitting unit.
Some other protection devices exist in the Radio Control system which automatically intervene
whenever:
The transmission range is exceeded. Under this circumstance, the radio control immediately
activates the STOP circuit and interrupts any outgoing signal of the receiving unit whilst
maintaining continuous and constant radio contact between the transmitter and receiver.
There is radio interference in the working area that affects the frequency range of the Hetronic
Industrial Radio Control.
The rechargeable battery is removed.
The rechargeable battery or non-rechargeable batteries is/are run down.
These protection devices are included for the safety of both persons and property, and MUST NOT
be modified, removed or bypassed under any circumstances or in any way whatsoever.
Additional protection devices (depending on transmitter version)
Guard rim, guard clip or recessed function buttons. These safety devices protect against
undesired actuation of the control elements, which in turn prevents unintentional control
commands from being transmitted.
Both transmitter and batteries are intrinsically safe (protection type “i”). The transmitter has got an
antistatic surface (surface resistance between 10
1
Ω and 10
9
Ω). The non-antistatic projected
surface of the batteries is < 20 cm². The contacts of the Zone 1 and 2 EX-batteries are
interchanged to those of the standard batteries, in order to avoid use of the wrong batteries.
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