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To remove a UI module, insert a flat-blade screwdriver of approximately 5mm (0.25inch)
width into the position shown in Figure 5.4. Gently, but firmly, lever upwards to release
the clip and pull down the top corner of the UI to remove it.
5.3
Each UI module is fitted with two multi-colour LED indicators to allow the user to identify
the operating mode and the status of the channel. They are marked with a letter 'M' for
mode and 'S' for status. See Figure 5.5 for the location and identity of these indicators.
Mode (M)
Status (S)
INM MTL SUM5 Rev 1
Push down
Pull down
Figure 5.4 - Installing a module base
UI module LED indicators
Figure 5.5 - LED indicators on UI module
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