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Menu items
Top level menu - Interlock notification
If the interlock circuit (See “Key switch and interlock safety” on page 29) is open
or shorted to ground, the LCD menu displays one of the following alarms:
• External interlock (Figure 11) – the external bus interlock circuit is open or
shorted.
• Door interlock – the door interlock circuit is open or shorted.
Figure 11 Interlock circuit open notification
Top level menu - Key switch notification
If the laser key switch is set in the OFF position, a notification that the key switch
is OFF is displayed as shown in Figure 12.
Figure 12 Key switch off notification
Note: When the key switch is in the OFF position, laser emission cannot be start-
ed. Emission is disabled if the switch is turned from ON to OFF.
Top level menu - Reset interlock
This menu notification (Figure 13) appears when the laser is restarted or the
interlock circuit has been closed again after a previous open or shorted state has
been repaired. The display shows:
Reset interlock:
To reset the interlock to permit laser emission, press either the
• front panel Return button
– or –
• the Interlock – RESET button in the status panel of CONTROL – see
Figure 28 on page 54.