4.1 Troubleshooting
156 User Manual
The date and time are not correct. • Set the date and time by system programming.
( Date & Time [000] in 3.3.2 System
Programming)
The display is not shown well.
• Change the Display contrast level.
( 3.1.2 Settings on the Programming Mode)
I want to distinguish the tones.
• ( To distinguish the ringing tones for each CO,
INTERCOM or G-DN button (Digital proprietary
telephone only), 3.1.3 Customizing the Buttons)
The MESSAGE button light lit. • Another extension left you a message waiting
indication while you were on the phone or away
from your desk.
Problem Remedy
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