NEC DTH-4R-1, User Manual, Page: 9 / 17

6
Ringer ON/OFF
When the D
term
Cordless Lite II ringer is turned off, the handset does not ring or vibrate and the
ringer ‘OFF’ icon appears in the display. When the ring ‘OFF’ icon appears and the terminal is idle
for five minutes, the ring ‘OFF’ icon turns off to save battery life. When operation resumes, the ring
‘OFF’ icon reappears.
To turn the ring On and Off, press and hold the On/Off MUTE key for five seconds. This must be
done in an idle state.
Vibrator Mode
If the ring tone selection is ‘Ring OFF’ when the handset is not on the charger, the handset LCD
displays and an incoming call number when there is an incoming call (must have Caller ID).
If the handset is on the charger and ring tone selection is ‘Ring OFF’, the handset will display the
incoming caller name as a number (must have Caller ID).
Ring Tone/Volume Setting Table
The following table shows how the handset rings in each setting.
Desk/Cordless Switching
When the D
term
Cordless Lite II is associated with a multiline telephone, the base unit can be used
for switching between Cordless and Desk modes.
Press Cordless to select D
term
Cordless Lite II mode.
OR
Press Desk to select multiline telephone mode.

The REDIAL key can be used to switch from Desk to Cordless mode only. At default, the
REDIAL key can only perform the redial function.
Ringer Settings On Charger Off Charger
High Tone On Selected Ring High Selected Ring High
Low Tone On Selected Ring Low Selected Ring Low
High/Low Tone/Ring Off Nothing Nothing