FSG 90 System
6 Operating Instruction
56
FAV_D10024
December 2014
6.11 Turning OFF
Turn OFF the radio by rotating the
ON/OFF-VOL
switch to the fully ccw position to prevent
unnecessary discharge of the A/C battery.
6.12 Checking the A/C on-board supply
Transceivers of the
FSG 90
System
include an on-board supply level display with a 3-
bar symbol. At dc levels below 11 V, those three bars start flashing as a warning!
Radio supplied from a 13.8 V battery bus:
The following operating times may be obtained depending on battery's capacity and
transmitter duty cycle:
Reference:
Approxi20°C / +68°F, battery
7.2 Ah, only radio is supplied.
Duty cycle:
10% Transmit, 20% Receive, 70% STBY
Flashing symbol only during Transmit:
ca. 4 hrs. left
Flashing symbol also during Receive:
ca. 45 min. left. Recommendation: Reduce
utmost transmitting!
Short-time flashing symbol during Standby
(SQ ON, clear channel)
ca. 45 min. left. Cease transmitting!
Continuous flashing symbol during
Standby (SQ ON, clear channel)
Radio will soon switch OFF itself!
Recharge battery as soon as possible
(refer to
Section 6.14, Emergency
Operation
)
Remark
: These transitions are fluent. Recovery effect after load reduction may be
possible.
Radio supplied from a 13.8 Vdc generator bus (aircraft or vehicle):
Flashing symbol:
Urgently check aircraft's or vehicle's
electrical system (generator, battery,
regulator) and/or installation!
Radio supplied from a 28/14 V Regulator (28 Vdc aircraft or vehicle supply):
Flashing symbol:
Urgently check 28/14 V Regulator,
aircraft's or vehicle's electrical system
(generator, battery, regulator) and
installation!
Summary of Contents for F10185
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