F.u.n.k.e. FSG 90 - Checking On-board Supply and Battery Status

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:
Approximately +20°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!