3 Features MNMusic on HoldDescription While a party is on hold, music is automatically sent.Conditions • Operations such as Call Hold, Exclusive Call Hold, Consultation Hold,or Call Transfer generates Music on Hold.• The system except KX-TD816C/KX-TD1232C has an internal musicsource. However it may be necessary to connect a user-suppliedexternal music source such as a radio to the system. Up to two externalmusic sources for KX-TD1232, and one external music source for KX-TD816 can be connected per system. It is required to select the internalor external music source by System Programming.• The music source is used for Music on Hold and / or BGM. In the caseof KX-TD1232, if external music sources are in use, you can select amusic source for each usage.Connection References Section 2, Installation,2.3.9 External Music Source ConnectionProgramming ReferencesSection 4, System Programming,[803] Music Source Use[990] System Additional Information, Field (20)Feature References Section 3, Features,Background Music (BGM)Operation References Not applicable.N ight ServiceDescription This supports both Night and Day modes of operation. The systemoperation for originating and receiving calls can be different forday and night modes. The system operation for restricting tollcalls can be arranged separately to prevent unauthorized toll callsat night.Switching of the Day / Night ModeDay / Night mode can be switched either automatically at a pre-assigned time or manually by Operator 1 at any time desired.Automatic Night Service: If you select automatic switchingmode, your system will switch the Day / Night mode at theprogrammed time each day. The starting time of the Day /Night mode can be set for each day.Features 3-85