NEC SL2100 Quick Install Manual page 26

Configure the SL2100
Select the Service Code Range
Will set the Service Code number range.
Adding a Star eg *7xx, *8xx will allow you to use the number range 7xx & 8xx if you want extension numbers
beginning 7xx or 8xx.
Select the Trunk Access code
Will set the number to dial to seize on outgoing trunk.
Select the Programmable Function Key Assignmant for all system phones
Will set the programmable function keys for all digital and IP terminals.
The Delete all option will set all keys to 'None', you can then setup your own functions later using PCPro.
Quick Install Guide – SL2100 with Analogue Trunks rev 1.1
26