Technical data

VHF/AM RADIO FSG 2T
5 Functional Description
June 2014 FAV_D10048 51
5 Functional Description
5.1 Introduction
This Section contains a functional description of each switch, push button, knob,
indicator, display and connector located on the front or rear of the FSG 2T together with
operating instructions.
5.2 Operator's Controls
F/CH Push Button
Pressing changes radio from
Direct Tune Mode into
Channel Mode and vice versa
Active Frequency
F/CH Switch
Turning changes frequency or
Channel Memory Number
Pushing changes access from
MHz to kHz and vice versa
ON/OFF-VOL Switch
Turns radio ON/OFF and
adjusts audio volume
SQ Control
Adjusts Squelch threshold
Onboard Supply Indicator
Shows dc supply voltage
or shows
Channel Memory Number
STO Push Button
Pressing initiates and
stores in Channel Memory
TX/RX 3-color LED
steady clear = Standby or radio OFF
steady red = TX w/out or too low modulation
flickering yellow = TX properly modulated
steady yellow = TX Modulation/noise too high
steady green = RX-mode, or
steady green = Intercom
Jumping Cursor
underscores accessible
portion
Fig. 5 - 1
Control
Description / Function
VOL
Rotary switch and control (inner knob)
To turn ON the radio, rotate the VOL knob clockwise from the OFF position
(dot). When power is activated
 the front panel TX/RX LED lights up green momentarily, then
 all segments of the display are visible for a short time, to verify their
operation.
 The display shows the firmware version and then
 the operating mode, which was used before last turning OFF or Power
OFF: The radio is now ready for use.
Rotating the VOL knob clockwise (cw) increases - turning counter-
clockwise (ccw) decreases the audio volume of the A/C loudspeaker
(Receive and AF External) or of the plugged headphone (Receive, AF
External and Intercom audio, not TX Sidetone).
To turn OFF the radio rotate the VOL knob fully counter-clockwise (ccw) to
the OFF position (dot). Blank display.