Hitachi TD61-2472 - Manual (Page 46)

1.11.1.3 Mode
Setting the mode (bell, vibration, bell + vibration, or mute) on receipt of internal or external calls.
1 To change the ringer mode, select "2. Mode".
2 Use the keys to set the mode, then finalize with the key.
There are four modes.
・ Bell (bell)
・ Vibration (vibration)
・ Bell + vibration (bell + vibration)
・ Silent (mute)
1.11.1.4 LED
Setting the LED color for calls coming in on internal lines and external lines.
1 To change the LED color for incoming calls, select "3. LED".
2 Use the keys to set the LED color, then finalize with the key.
There are three LED colors.
・ RED
・ BLUE
・ (None)
Hitachi Cable 42