ISSUE 1.0
4.
Press Enter Key (Navigation Key) to show the main system software version and Hardware Key
Code.
5.
Off-Hook and return to Time & Date mode.
3.4
Upgrading the Main Software
1.
Power off the system and disconnect the AC cord from the KSU.
2.
Remove the Sub-Cover.
3.
Loosen two screws and remove the Main-Cover.
Hardware Manual
Figure 4-15 Removing the Sub-Cover
SL1100
4-9