Topcom Butler B3500/3501/Twin
WARNING! Returning to default settings will delete all entries in the phonebook and call log. The PIN code will also be reset to 0000
4.11 KEYPAD LOCK
The keypad can be locked so that no settings can be changed or no telephone number can be dialed. The 
-icon
4.11.1Locking the keypad by Menu
1 Enter the menu by pressing 
/OK
2 Select HANDSET using the up 
and down 
keys 3 Press OK
4 Select KEY LOCK? using the up 
and down 
keys 5 Press OK to lock the keypad
4.11.2Locking the keypad by the *-key (quick lock)
Press and hold the
4.11.3Unlock the keypad 1 Press any key
2 PRESS * will appear on the screen
3 Press the ‘*’ key within 3 seconds to unlock the keypad
5. ADVANCED FUNCTIONS
5.1 PHONEBOOK
The Phonebook allows you to memorise (30 = B3500 / 50 = B3501) telephone numbers and names. You can enter names of up to 12 characters length and numbers of up to 20 digits length.
To call a correspondent whose number is stored in the phonebook, refer to the section 3.13 To enter alphanumerical characters, refer to the section 3.14.
5.1.1 Add an entry into the phonebook
1.Enter the menu by pressing 
/OK
2.Select PHONE BOOK using the up 
and down 
keys
3.Press OK
4.Select ADD ENTRY using the up 
and down 
keys
5.Press OK
6.Enter the name
7.Press OK to validate.
8.Enter the telephone number
9.Press OK to validate
10.Select the desired melody
11.Press OK to Validate
5.1.2 Modify a name or number
To modify a number in the phonebook:
1.Enter the menu by pressing 
/OK
2.Select PHONE BOOK using the up 
and down 
keys
3.Press OK
4.Select MODIFY ENTRY using the up 
and down 
keys
5.Press OK
6.Move through the list of names with the up 
and down 
keys. The list scrolls in alphabetical order.
7.Press OK when you find the name to modify
8.Use the ‘ 
’ key to go back and enter the new name
9.Press OK to validate
10.Enter the new telephone number
11.Press OK to validate
Warning, if you enter the Phonebook first with the 
key and modify a telephone number with the 
key, the modification will be taken into account only for this call and will not be stored in the phonebook!
16 | Topcom Butler B3500/3501/Twin |
