Topcom Butler B3500/3501/Twin
4.3 SPEAKER VOLUME DURING CALL
During conversation, press the up 
or down 
key to change the volume accordingly.
Note: The handsfree volume is also adjust together with the receiver in the handset as above described (only B3501).
4.4 ACTIVATION / DEACTIVATION OF BEEPS
The handsets can emit beeptone when a key is pressed, when the batteries are low or when the handset is out of range.
4.4.1 Key pressed beeptone on/off
1.Enter the menu by pressing 
/OK
2.Select HANDSET using the up 
and down 
keys
3.Press OK
4.Select BEEP using the up 
and down 
keys
5.Press OK
6.Select KEYTONE using the up 
and down 
keys
7.Press OK
8.Select ON to activate, OFF to deactivate
9.Press OK to confirm.
4.4.2 Low battery
Proceed as before, but select at point 6 "LOW BATTERY" instead of "KEYTONE".
4.4.3 Handset out of range
Proceed as before, but select at point 6 "OUT RANGE" instead of “KEYTONE".
4.5 HANDSET NAME
This function allows you to personalise each handset.
1.Enter the menu by pressing 
/OK
2.Select HANDSET using the up 
and down 
keys
3.Press OK
4.Select NAME using the up 
and down 
keys
5.Press OK
6.Enter the name
7.Press OK to validate
While entering the name, press ‘c’ to delete a character and press and hold 
to exit the menu without taking any modifications into account.
4.6 CHANGING THE PIN CODE
Certain functions are only available to users who know the PIN code. By default this is PIN code = 0000.
To change the PIN code:
1.Enter the menu by pressing 
/OK
2.Select SETUP using the up 
and down 
keys
3.Press OK
4.Select PIN CODE using the up 
and down 
keys
5.Press OK
6.Enter the old 4 figure PIN code.
7.Press OK
8.Enter the new 4 figure PIN code
9.Press OK
10.Enter the new PIN code a second time
11.Press OK to validate
4.7 SETTING THE DIALLING MODE
There are two types of dialling mode:
•DTMF/Tone dialling (the most common)
•Pulse dialling ( for older installations )
14 | Topcom Butler B3500/3501/Twin |
