Guralp Systems CMG-3EX-EAM - Manual (Page 9)

Operator's Guide
So the sequence of symbols     indicates the the green
LED is off for a long period of time (5 segments) then flashes twice.
LED sequence Description of status
Red: 
Green: 
Sensor is locked or powered off and no
automatic functions are selected.
Red:  
Green:  
Only auto-centre is enabled.
Red:    
Green:    
Only auto-lock is enabled.
Red:      
Green:      
Both auto-lock and auto-centre are enabled.
Red: 
Green: 
Sensor is centred: auto-lock and auto-centre
are both disabled.
Red:  
Green: 
Sensor is centred and only auto-centre is
enabled.
Red:    
Green: 
Sensor is centred and only auto-lock is
enabled.
Red:      
Green: 
Sensor is centred and both auto-lock and
auto-centre are enabled.
Red: 
Green:  
Sensor is locking.
Red: 
Green:    
Sensor is unlocking
Red: 
Green:      
Sensor is centring
Red:        
Green:        
Power failure waiting for auto-lock delay to
time out (alternating red/green flashes).
Red: 
Green: 
Catastrophic failure the sensor has a fault
that has made it impossible to complete the
last operation.
Red:  
Green: 
Locking system limit switch fault.
Red:    
Green: 
Horizontal tilt base limit. This could be a
result of a poorly levelled sensor.
Red:      
Green: 
The current operation timed out. This could
indicate a fault or, in the case of centring, the
sensor may need to be re-centred.
May 2010 9