Toshiba DKT2510-FSD 用户手册

Letters in [brackets] represent buttons which have Directory Numbers on them. For example:

Note

Elaborates specific items or references other information. Within some tables, 
general notes apply to the entire table and numbered notes apply to specific 
items.

Calls attention to important instructions or information.

Advises you that hardware, software applications, or data could be damaged if 
the instructions are not followed closely.

Alerts you when the given task could cause personal injury or death.

[DN]

Represents any Directory Number button, also known as an extension or 
intercom number.

[PDN]

Represents any Primary Directory Number button (the extension number for 
the telephone). An extra appearance of the PDN on the same phone is not 
considered as a SDN.

[SDN]

Represents any Secondary appearance of a PDN. A PDN which appears on 
another telephone is considered an SDN.

[PhDN]

Represents any Phantom Directory Number button (an additional DN).

Arial Bold

Represents telephone buttons.

Plus (+)

Shows a multiple PC keyboard or phone button entry. Entries without spaces 
between them show a simultaneous entry. Example: 

+

. Entries 

with spaces between them show a sequential entry. Example: 

+

 

.

Tilde (~)

Means “through.” Example: 200~220 station range.

➤

Denotes the step in a one-step procedure.

➤

Denotes a procedure.

See Figure 10

Grey words within the printed text denote cross-references. In the electronic 
version of this document (Strata Technical Library CD-ROM), cross-
references appear in blue hypertext.