Samsung iDCS500 DCS (Euro) Keyset User Guide– 1 –THINGS YOU SHOULD KNOWYOUR iDCS500 SYSTEMDCS telephones are called “keyphones” or “keysets.” Your iDCS500 systemoffers many automatic and programmable features to your keyset which youneed to become familiar with. Read this section carefully to provide yourselfwith a good understanding of how your keyset operates.There are two types of iDCS500 system, called ‘L’ and ‘M’ versions. Somefeatures provided by one version may be different, or may not be available, tothe other version. This guide tells you where this is the case.YOUR DCS (EURO) KEYSETKeysets have buttons or “keys” that are used to access or activate featureson your office phone system. The keys with paper designation strips are pro-grammable keys. This means a key can be programmed for a specific func-tion on your keyset, and the same key can be something different on anotherkeyset.The DCS (Euro) 24B keyset has 24 programmable keys, the 12B keyset has12, and the 6B has six. All have a liquid crystal display (LCD) for displayingcall information, feature menus, and so on. With an LCD, you have the optionof using ‘soft keys’ to select features as an alternative to using programmablekeys. You can also use the display to program your keyset for certain func-tions.To see the layout for your keyset, refer to the appropriate layout diagram atthe end of this section. Ask the system administrator to have your most fre-quently-used features assigned to programmable keys, and make sure thatthese keys are labelled properly.Lines from the telephone company are “C.O. lines.” Calls on these lines arereferred to as “outside calls.” Your keyset can have individual C.O. linekeys—called Direct Trunk Selection (DTS) keys—or lines may be assignedto groups. When they are in a group, you access a line by dialling an accesscode or pressing a route key. For example, you might dial ‘9’ or ‘0’ or press