Function activation guidelines for Recovery stations

Often, a recovery station complies with the following operational conditions:

There is a need to enable fast access to the function, such as in emergency
The station is simple, so that there are not many chances to activate a function by mistake
The station needs to be accessed by occasional operators, who may be used to operate other system, with different kinds of access

When this is the case, multi access is preferred, because it is better suitable to unexpected situations.