190-01134-11
GMA 350/350c/350H/350Hc Installation Manual
Rev. J
Page 1-6
1.3.2
Electrical Characteristics
Table 1-2. GMA 350/350H Electrical Characteristics
Characteristic
Specification
Environmental
Compliance
RTCA DO-160E and EUROCAE ED-14E Environmental Conditions
Software
Compliance
RTCA DO-178B Level C, D, and E
Temperature Range
-45°C to +55°C (normal operation)
-55°C to +70°C (short term)
Altitude
55,000 Feet
Audio Panel
Functions
Transceiver inputs: 3
Receiver inputs: 5
Alert (unswitched) inputs: 5
Input impedance: 600
Ω
Input isolation: 60 dB minimum
Maximum input signal: 5 Vrms
Intercom Functions
Positions: 6 or 7 (pilot, copilot, 4 or 5 passengers)*
ICS volume controls: 3 (pilot, copilot, passenger)
Manual ICS VOX level controls: 1 shared control
VOX processing: individual processing for each mic input
ICS auto-squelch/VOX: independent DSP determined thresholds for
each mic
Entertainment
Functions
GMA 350 Stereo HiFi music inputs: 3 (two rear connectors and one
front panel jack)
GMA 350H Stereo HiFi music inputs: 2 (one rear connector and one
front panel jack)
GMA 350c Stereo HiFi music inputs: 4 (one Bluetooth, two rear connectors,
and one front panel jack)
GMA 350Hc Stereo HiFi music inputs: 3 (one Bluetooth, one rear, and one
front panel jack)
GMA 350/GMA 350H Telephone interfaces: 2 (one rear connector and one
front panel jack)
GMA 350c/GMA 350Hc Telephone interfaces: 3 (one Bluetooth, one rear,
and one front panel)
Music and TEL sources individually distributable independent of ICS modes
to allow any combination of source to ICS position distribution.
Combined with independent ICS mode selection, any ICS position can have
private TEL conversations or conference conversations of any combination.