NEC SL2100 Features And Specifications Manual page 240

SL2100
To program a CAR/SIE/VE key on a phone:
1. Press Speaker key.
2. Dial 752.
3. Press the key you want to program.
4. Dial 03.
*
5. Dial the number of the extension you want to appear on the key.
6. Press Hold key once for Immediate Ring (skip to step 8 for Delayed Ring).
7. Dial the mode number in which the key will ring.
1 = Day 1
2 = Night 1
3 = Midnight 1
4 = Rest 1
D
5 = Day 2
6 = Night 2
7 = Midnight 2
8 = Rest 2
8. Press Hold key for a second time for Delayed Ring, or skip to step 10.
9. Dial the mode number in which the key will delay ring.
1 = Day 1
2 = Night 1
3 = Midnight 1
4 = Rest 1
5 = Day 2
6 = Night 2
7 = Midnight 2
8 = Rest 2
10. Press Speaker key.
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ISSUE 1.0
Delayed Ringing