Garmin GMA 350H Installation Manual - Page 12
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1.3.2
Electrical Characteristics
Characteristic
Environmental
Compliance
Software
Compliance
Temperature Range -45°C to +55°C (normal operation)
Altitude
Audio Panel
Functions
Intercom Functions
Entertainment
Functions
Headphone Outputs Output amplifiers: 3 stereo (pilot, copilot, passengers)
*Depends on configuration settings
Page 1-4
Revision A
The document reference is online, please check the correspondence between the online documentation and the printed version.
RTCA DO-160E and EUROCAE ED-14D Environmental Conditions
RTCA DO-178B Level C and D
-55°C to +70°C (short term)
55,000 Feet
Transceiver inputs: 3
Receiver inputs: 5
Alert (unswitched) inputs: 5
Ω
Input impedance: 600
Input isolation: 60 dB minimum
Maximum input signal: 5 Vrms
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
GMA 350 Stereo HiFi music inputs: 3 (two rear connectors and one
GMA 350H Stereo HiFi music inputs: 2 (one rear connector and one
Telephone interfaces: 2 (one rear connector and one front panel jack)
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.
Power, Load, and Distortion: 65 mW into 150 Ohms with <10%
Typical Operating Distortion: <1% THD+N
3dB Frequency Response Bandwidth: 20 Hz to 20 kHz for Music
350 Hz to 6.5 kHz for Other Audio (MICs, Radios, Alerts
Specification
each mic
front panel jack)
front panel jack)
THD+N @ 10% output <3% THD+N
GMA 350/350H Installation Manual
)
190-01134-11