FSG 90 System
4 Functional Description
December 2014 FAV_D10024 35
4.3 Frequency Display, 5-digit or 6-digit Liquid Crystal Display (LCD), two lines, can
be back-lit.
IMPORTANT!
When the FSG 90 or FSG 90-H1 shows a 6-digit display, the radio is
operating in the combined 8.33/25 kHz mode.
When the FSG 90 or FSG 90-H1 shows a 5-digit display, the radio is
operating in the '25 kHz only' mode.
Frequency and channel name display complies with ICAO rules!
The following displays are examples only!
Transceiver operates in the 8.33/25 kHz mode (6-digit display)
Upper line: USE channel name (display 135.090 =
135.0916 MHz transmit and receive frequency)
Lower line: STBY channel name (display 118.065 = 118.0666 MHz
transmit and receive frequency)
Supply indicator: 3 segments: ≥ 12.7 Vdc, supply OK
TX indicator: OFF, radio receives.
Transceiver operates in the '25 kHz only' mode (5-digit display)
Upper line: USE frequency (display 135.87 = 135.875 MHz transmit
and receive frequency)
Lower line: STBY frequency (display 118.02 = 118.025 MHz
transmit and receive frequency)
Supply indicator: 3 segments: ≥ 12.7 Vdc, supply OK
TX indicator: OFF, radio receives.
Transceiver operates in the 8.33/25 kHz mode (6-digit display)
Upper line: USE channel name (display 127.460 = 127.4583 MHz
transmit and receive frequency)
Lower line: Channel memory number (19) associated with the above
USE channel name
Supply indicator: 2 segments: ≥ 12.0 Vdc, battery ½ charged
TX indicator: ON, radio transmits.
Transceiver operates in the '25 kHz only' mode (5-digit display)
Upper line: USE frequency (display 124.77 = 124.775 MHz transmit
and receive frequency)
Lower line: Channel memory number (75) associated with the above
USE frequency
Supply indicator: 2 segments: ≥ 12.0 Vdc, battery ½ charged
TX indicator: ON, radio transmits.