NEC NEAX 2000 IVS2 Maintenance Manual page 150

CHAPTER 2 TROUBLESHOOTING
Fault Diagnosis and Troubleshooting
B
(21) Press Function Key 97.
• The red lamp will light.
(22) Press Function Key 97 again.
• The red lamp will go off.
(23) Press Function Key 96.
• The red lamp will light.
(24) Press Function Key 96 again.
• The red lamp will go off.
(25) Press Digit Key*.
(26) Press Digit Key #.
(27) Press Digit Keys 0 through 9.
NOTE 1: To terminate the self-test mode, press Digit Keys # and * simultaneously.
NOTE 2: To test the lamps, LCD and Tone Ringer, press Function Keys 92, 95 and
C
Page 142
OPERATION
13 through 18 respectively.
LCD DISPLAY
** FUNC 97 **
ATT SELF TEST MODE
** FUNC 96 **
ATT SELF TEST MODE
** DIAL * **
ATT SELF TEST MODE
** DIAL # **
ATT SELF TEST MODE
** DIAL X **
ATT SELF TEST MODE
X shows 0-9
NEAX2000 IVS
2
Maintenance Manual
ND-70926 (E), Issue 3.0