G Troubleshooting - Phonak FreeCom 7100 Mode D'emploi

F Technical Data
u Headphone: according to regulation RTCA/DO-214
u Microphone
U Directivity: noise-canceling
U Max. sound pressure (@ 10% THD): 120dBA
u Loudspeaker systems
U Type of loudspeaker: Balanced Armature
U DC bias voltage: decoupled
U Max sound pressure (ambient): 84dBA
U Max sound pressure (communication): 98dBA
U Frequency range: 500Hz – 4.4kHz
U Speaker impedance DCR: 48Ω
u Power source
U Communication: Aircraft audio panel (no batteries)
U Dynamic hearing protection & ambient awareness:
Battery powered, 1 battery type AAA
u Voltage
U Aircraft audio panel: 4-20 V (MIC biasing)
U Battery powered: 1-1.5V (alkaline or rechargeable)
u Headset weight: 75g
u Storage temperature: -20°C - +60°C
u Operations temperature: -20°C - +60°C
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G Troubleshooting

G1 Communication
Problem: No communication possible
u Check that the headset's QD-connectors are connected correctly.
u Check that the headset's connector is inserted correctly in aircraft panel.
u Check that the aircraft panel volume controls are not set too low.
u Check the aircraft fuse of circuit breaker.
u Try using the headset in a different headset socket.
u Disconnect the QD-connectors and check for damage of connector or pins.
u Check if the connectors from the earJack adapters are correctly attached to the
cables of the control box (connectors with safety break points).
u Disconnect the headset connector from aircraft panel and check for connector
or pin damage.
u Try to use another headset. If the problem persists then it is probably aircraft
panel related. If you conclude it is a headset problem, contact an authorized
Phonak dealer.
Problem : Beginning of sentence are cut (boom microphone switching on too late)
u If VOX system is activated on the audio pannel (in which the intercom becomes
active automatically when a crew member begins to speak), adjust the VOX
sensitivity by turning the dedicated knob.
Problem: Beep every 30 seconds in headset
u Battery is on low level 1 replace battery (section C3)
Problem: Beep every 5 seconds in headset
u Battery is on low level 2 replace battery (section C3)
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