1616-920-03
8/28/2014
Rev: B
8
4.2.3 Master/Slave Testing
Step
Procedure
T1
Apply Power to the EMS Sky Connect Transceiver and the both the
Master and Slave MMU II Controllers.
T2
Operation of the Master MMU II should be as normal.
T3
Place an incoming call to the aircraft. The external Call Annunciator
should flash (if installed). The MMU II displays should display –
Incoming
Call
T4
On the Slave MMU II Controller, press the knob to answer the call.
The Call should be answered after a slight delay, and the
Call
Connected
/
Duration
screen appears and the timer starts and the external CALL
annunciator (if installed) illuminates steady.
T5
Mic and Phone audio should be available to the Slave MMU II Controller
T6
Press the knob to end the test call.
T7
Initiate a call from the Slave MMU II Controller.
T8
The call should dial as normal. The external CALL annunciator (if
installed) will be illuminated during the call
T9
END of Test
