Dittel FSG 2T PS, Operator'S Manual

Page: 15 / 57

FSG 2T PS
Portable VHF/AM Airband Transceiver
May 2010 DITTEL – D10077
15
3 Functional Description
3.1 Introduction
This section includes a functional description of each switch, push
button, knob, socket, indicator and display located on the front of the
FSG 2T PS
, together with operating instructions.
3.2 Operator's Controls and Indicators
A front view of the
FSG 2T PS
is given on the last page of this manual.
Please fold out the back flap when reading the operating instructions.
Each position number of a control, knob, switch, etc., corresponds to
the number of control, knob, switch, etc., given below.
Control Description / Function
1
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 audible via the built-
in loudspeaker or a connected headphone.
To turn OFF the radio rotate the
VOL
knob fully counter-clockwise
(ccw) to the OFF position (dot ). Blank display.
2 SQ (SQUELCH)
Rotary control (outer ring)
After turning ON the radio
FSG 2T
the automatic squelch is active
depending on the
SQ
knob position.
Standard Operating Mode :
Set the SQ knob to the dot
position, the Squelch (mute)
threshold is approximately 1 µV. No Receiver noise should be
audible during Standby. Only received signals above the
SQ
threshold are audible.
Rotating the
SQ
knob fully counter-clockwise (ccw) puts the radio
into the
SQ
-OFF mode (overrides the automatic squelch). Basic
receiving noise is then audible during Standby. This adjustment
gives maximum receiving range. Slightly increased current