Keypad Lock - LEGRAND 4 226 81 Installation And User Manual

9. Keypad lock

• The automatic transfer switch keypad can be locked, avoiding not desidered command.
• Once the keypad is locked, it will only be possible to view measures, but not to change operating mode or to operate in
MAN mode on devices.
page.
N.B. Any attempt to use the locked keys will cause the word "ACCESS LOCKED" to be displayed.
• The activation of keypad lock can be made in the followings ways:
- With a programmable input (activate the function "keypad lock" );
- From frontal keys;
- With SW ACU.
• To lock or unlock the keypad, press key ▲ and, while holding it down, press key ▼ three times without releasing it at
the end. Release then key ▲ and then press it 5 times, then release both keys.
• When the keypad is locked, the display shows the word "KEYBOARD LOCKED".
shows the word "KEYBOARD UNLOCKED".
10. Programmation
10.1 Parameter setting (setup) from frontal panel
• To access to "parameters" menu and to modify them, it is necessary put the ATS in OFF mode, recall the "main" menu
(press ▲▼simultaneously), select the "setup" menu ( ) and confirm with (OK).
• A table shown in the following picture is displayed.
• Sliding menus Mxx it is possible to select sub-menus where are present all parameters associated to the function.
• Select the required menu with keys ▲or ▼and confirm with •.
• Press OFF to quit and return to the measurement viewing.
N.B. If the icon is not enabled (in grey color), it is necessary to check access privileges to modify parameters (see
chapter "passwords").
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If the icon menu is shown and the keypad is locked, wait 2 minutes to return to main
0,3 sec.
Fig. 27
Fig. 29 - Setup menu
Fig. 28
If the keypad isn't locked the display