It should be noted that when the external contact
is operated, all connected systems will be enabled or disabled,
depending on whether the contact is opened or closed. Individual
units cannot be omitted from the on/off control process.
The Locking function only locks
the operation function however if the remote is locked OFF it is
not possible to adjust any functions of the remote.
The interface lead may be
extended to a maximum total length of 25 meters when using a
screened cable, with a cross sectional area of 0.75mm.