GDC-480H Wireless Handset
User Guide
46
To use the Silent mode menu to set Silent Alert:
1. Select the Phone Setting menu from the User Menu.
2. Use the
Navigation
( ) button to highlight the Silent Mode selection.
3. Press the
OK
( ) left soft button to access the sub-menu.
4. Use the
Yes
( ) or
No
( ) left or right soft button to adjust the Silent Alert
setting.
5. Press the
OK
( ) left soft button to store the alert mode.
6. Press the
End
( ) button.
5.6.6 Keypad Lock
When the handset is carried in a pocket or purse, buttons may be accidentally activated
causing unexpected behavior. Such accidental button presses may be circumvented by
locking the handset keypad. The keypad can be locked using the #Lock ( ) button or
using the Phone Settings menu.
To use the Phone Settings menu to lock the handset buttons:
1. Select the Phone Setting menu from the User Menu.
2. Use the
Navigation
( ) button to highlight the Keypad Lock selection.
3. Press the
OK
( ) left soft button to access the sub-menu.
4. Use the
Yes
( ) or
No
( ) left or right soft button to adjust the lock or unlock the
handset buttons.
5. Press the
OK
( ) left soft button to store the selection.
6. Press the
End
( ) button.
Note:
When locked, the display will show “Keypad locked”. While locked the only allowable
operation is unlock. All other buttons are ignored if pressed, and calls cannot be placed.
5.6.7 SW Version
For maintenance purposes you can request the GDC-480H display the handset software
version.
To display the current software version of the handset:
1. Select the Phone Setting menu from the User Menu.
2. Use the
Navigation
( ) button to highlight the SW Version.
3. Press the
OK
( ) left soft button to access the sub-menu. The SW version
displays.
4. Press the
End
( ) button.
5.6.8 Edit CO Code
The GDC-480H can subscribe to four (4) DECT zones simultaneously. Each zone may have
access to a different set of external lines with different codes. The code is used to place
calls from the handset Phonebook as well as for incoming call look-up in the Phonebook. If
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