FSG 7016
4 Operation
20 D10011 November 2009
3
ANTENNA SOCKET : TNC screw type, 50 Ohms. To connect mobile UHF
helical antenna or any grounded 50 Ω UHF antenna
with TNC cable connector.
4
VOLUME CONTROL
:
A seven-step potentiometer, which is active when the
transceiver is operated in the
• Receive Mode, determines the audio level applied
to the internal speaker. When audio accessory is
connected at the 'EXT' connector, the VOL control
determines the audio level applied to the external
loudspeaker or headphone, as appropriate.
• The internal speaker is only disabled, when an
external microphone is connected.
• Transmit Mode, determines the side tone audio
level applied only to an external headset.
• Battery Test Mode, determines the audio level of
the test tone sequence applied to the internal
speaker or an external headset, as appropriate.
• Without connected external microphone
neither the
transmit side tone nor the battery status tone are
audible in the headphone.
5
CHANNEL SWITCH
:
A 16-position rotary switch which is used in both the
transmit and receive modes to determine which one of
the 16 pre-selected channels is in use.
6
EXTERNAL MICRO-
PHONE SENSITIVITY
:
A seven-position rotary switch which is used to adjust
the modulation audio level of an external microphone
in steps of 4 dB. This allows perfect matching of
variable microphone output factors, resulting from
• Type and brand of the microphone, and distance
between microphone and the operator’s lips.
LIPS MUST ALMOST TOUCH THE
MICROPHONE!
• Speech volume/loudness of the operator,
depending on:
− Environmental noise level (Helicopter/Jet)
− Actual mission details
In the fully clockwise position, a whisper operation is
possible, when a suitable microphone is used.
7
EXTERNAL ACCES-
SORY CONNECTOR
:
A 10-pole, sealed, twist-lock connector which is used
to connect various equipment like headset, throat
microphone, helmet, etc., and to reprogram and
control the transceiver via an interface cable from your
PC computer.