XTA 4 Series, Руководство оператора, Страница: 33 / 58

Operators Manual Page 33
Security and Locking
After selecting the
Security Sub Menu
Security Sub Menu Security Sub Menu
Security Sub Menu
and pressing ENTER
ENTER ENTER
ENTER , select one of the lock types, choosing the most
appropriate one for your application. As ever,
ENTER ENTER ENTER ENTER
will confirm your selection.
User Specific User Specific User Specific User Specific
Upon pressing
ENTER ENTER ENTER ENTER
to select this type of lock, each parameter group is presented in turn. Choose the type of lock (as
above) using the FREQ
FREQ FREQ
FREQ encoder, and press ENTER
ENTER ENTER
ENTER to confirm each parameter. After the last parameter, the unit
requests a password. The description of this operation is given at the end of this section.
This option allows the user to specify, for each type of parameter, whether it is to be completely accessible (‘No Lock’),
viewable but not adjustable (‘Control’), or effectively unavailable (‘Display’). The ability to operate mutes, store or recall
memories, or even access the menus may also be locked.
Xover Only Xover Only Xover Only Xover Only
All input parameters are available, but only the gain trim (+ 6dB) is available on the outputs, effectively locking all the
crossover settings. All mutes remain active.
Xover + Trim
Xover + Trim Xover + Trim
Xover + Trim
All input parameters available, but no output parameters – the crossover sections are completely locked. All mutes remain
active.
Xover + Trim + Mute Xover + Trim + Mute Xover + Trim + Mute Xover + Trim + Mute
As for ‘Xover + Trim’ but additionally, output mutes are locked. Input mutes remain active.
Changes Only Changes Only Changes Only Changes Only
All parameters may be viewed, but none may be adjusted. This applies to both inputs and outputs. All mutes remain
active.
C Views
C Views C Views
C Views
No parameters are accessible – in effect the
EDIT EDIT EDIT EDIT
keys do nothing. All mutes remain active.
C Mutes C Mutes C Mutes C Mutes
All parameters may be viewed, but none may be adjusted. This applies to both inputs and outputs. All mutes are also
locked.
EVERYTHING
EVERYTHING EVERYTHING
EVERYTHING
No parameters are accessible – in effect the
EDIT EDIT EDIT EDIT
and
MUTE MUTE MUTE MUTE
keys do nothing.
Entering the Password to Complete the Locking Operation
After selection of the lock type from the list above, a four-digit security code will be asked for. This can be entered by
using the
FREQ FREQ FREQ FREQ
control to select a character, and the
BACK BACK BACK BACK
and
NEXT NEXT NEXT NEXT
keys to move to the next character.
Alternatively, the
EDIT EDIT EDIT EDIT
keys can be used to enter a code by pressing any combination of the eight buttons. Each
EDIT EDIT EDIT EDIT
key
represents its channel labelling, so any combination of A
A A
A , B
B B
B , C
C C
C , D
D D
D , 1111 , 2
2 2
2 , 3
3 3
3 , 4
4 4
4 , 5
5 5
5 , 6
6 6
6 , 7
7 7
7 and 8
8 8
8 can be used as a code, as
shown below. Press
ENTER ENTER ENTER ENTER
to accept code and then re-enter it to confirm.
To prevent external computer control being used to adjust locked settings,
be sure to set the external interface to OFF before locking out the unit.