N 4.2 DPT Features4-94 DPT FeaturesNight ServiceThis system supports both the Night and Day modes of operation. System operation fororiginating and receiving calls can be different in day and night modes. Toll restriction callscan be programmed to prevent unauthorised toll calls at night. Day/Night mode can beswitched either automatically at a pre-assigned time or manually at anytime desired. If yourextension is assigned as an operator, you can perform the operation using the display.Automatic Night Service: your system will switch the Day/Night mode at theprogrammed time each day.Manual Night Service: you can switch the Day/Night mode at anytime desired.Automatic Night Service1. Lift the handset or press the SP-PHONE/MONITOR button.2. Dial the feature number (78).3. Dial 0.• You hear a confirmation tone.• The display shows:4. Hang up or press the SP-PHONE/MONITOR button.Manual Night Service1. Lift the handset or press the SP-PHONE/MONITOR button.2. Dial the feature number (78).3. Dial 1 or 2.- 1 : from Night mode to Day mode- 2 : from Day mode to Night mode• You hear a confirmation tone.• The display shows:or4. Hang up or press the SP-PHONE/MONITOR button.Auto ModeNight ModeDay Mode1247 8301247 831 2or