Keyset Self Test; Testing The Keyset - NEC DS2000 Hardware Manual

Keyset Self Test

Keyset Self Test

Testing the Keyset

Use the following procedure to perform a quick operational test of a keyset.
To test a keyset:
1. Unplug the telephone line cord.
2. While pressing HOLD , plug the telephone back in.
3. Release HOLD .
4. Dial 1 to test the green LEDs in the keys.
5. Dial 2 to test the red LEDs in the keys.
6. Dial 4 to turn the test tone on and off.
7. Dial 8 then any other key to test the key.
8. Press DND and dial 0 to exit and restart the telephone.
4-14 N Section 4: Optional Equipment
All the LED elements in the display will fill.
This test also shows the telephone's firmware.
DS2000 Hardware Manual