NEC NEC-80570 User Guide - Page 40

Keyset Self Test, Testing the Keyset, Optional Equipment, To test a keyset

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Page 40 highlights

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. All the LED elements in the display will fill. 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. This test also shows the telephone's firmware. 7. Dial 8 then any other key to test the key. 8. Press DND and dial 0 to exit and restart the telephone. 4-16 x Section 4: Optional Equipment DS1000 Hardware Manual

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Keyset Self Test
4-16
◆
Section 4: Optional Equipment
DS1000 Hardware Manual
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.
All the LED elements in the display will fill.
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.
This test also shows the telephone’s firmware.
7.
Dial
8
then any other key to test the key.
8.
Press
DND
and dial
0
to exit and restart the telephone.