MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting
555-661-140
Issue 1
August 1998
Page 1-18
Preparation for Hardware Maintenance
Exiting SPM
To exit SPM, follow these steps.
Console Display/Instructions Additional Information PC
!Return to the System Programming menu.
If the display gives directions for returning to the main menu, follow the
directions. If not, press
(Exit) to return to the previous menu.
Continue to press
(Exit) until the main menu appears.
!Select the Quit option.
Preparation for Hardware
Maintenance
If you are performing onsite hardware maintenance, first remove the control unit
housing (the cover of the control unit), then disconnect the AC power.
Removing the Control Unit Housing
To remove the control unit’s housing, see Figure 1–5.
■ If you have a MERLIN II
Communications System or a MERLIN
LEGEND Communications System (Release 2.1 or later):
1. Pull the bottom front of the housing towards you. When it
releases, remove it by lifting up as shown in Figure 1–5.
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