Problems with telephones
Set has faulty buttons, display, handset or other hardware problems
Run a Station Set Test (≤°‚ﬁ).
Detailed instructions are contained in the Modular ICS 7.0 System Coordinator Guide.
Unreadable set display
If the trouble is with telephones with two-line displays
1. Press ≤•‡.
2. Press UP or DOWN to adjust the display to the desired level.
3. Press OK.