15
The LED Status Indicator
The LED indicator shows the in-service states of your 
MTM800E. Please refer to the table below.
GPS
Indicates that your MTM800E is receiving valid GPS 
location data. 
Dual Control Head
Indicates that Master and Slave Control Head are 
powered on and connected.
Single Control Head
Indicates on Master Control Head that Slave Control 
Head is switched off.
Link Error
Indicates on Master Control Head that Slave Control 
Head is unavailable as a result of error, not powered 
off.
Key Press Token (Dual Control Head)
Indicates by blinking that key press token is reserved 
by one of the Control Heads.
Indicator Status
Solid GREEN In use
Flashing GREEN In service
Solid RED Out of service
Flashing RED Connecting to a network /
Entering DMO
Solid ORANGE Transmit Inhibit (TXI) in service /
Channel busy in DMO
Flashing ORANGE Incoming call
No indication Switched off /
Covert Mode
Status 
Icon
Description