PRESIDENT JFK II A+, Руководство пользователя

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SCAN
(long press)
Long press the SCAN key ( 15 ) to activate the SCAN function (re-
search of the channels) in an increasing way.
«SCAN»
is displayed.
The scanning stops as soon as there is a busy channel. The scanning
automatically starts 3 seconds after the end of the transmission
and no key is activated during 3 s. The scanning starts again in an
increasing way by turning the rotary knob to the right or pressing the
UP key ( 5 ) of the microphone, or in a decreasing way by turning the
rotary knob to the left or pressing the
DN
key (
5
) of the microphone.
A new long press on SCAN key ( 15 ) disables the SCAN function.
M3
Nonfunctional on the JFK II A+ model.
16) 6 PIN MICROPHONE PLUG
The plug is located on the front panel of the transceiver and makes
the setting of the equipment into the dashboard easier.
See cabling diagram page 42.
17) PTT (Push To Talk)
Transmission key, press to transmit a message, is displayed and
release to listen to an incoming communication.
BEEP
(changing the channel, keys etc.)
In order to activate the
BEEP
function, turn on the transceiver by
pressing the UP ( 5 ) key of the microphone. «BP» is displayed. In or-
der to disable the function, turn the transceiver on by pressing the
DN ( 5 ) key of the microphone. «BP» disappears.
A) POWER SUPPLY (13.8 V)
B) ANTENNA CONNECTOR (SO-239)
C) JACK FOR OPTIONAL VOX MIKE (2.2 K
Ω Electret, Ø 2.5 mm)
D) JACK FOR LOUDSPEAKER PUBLIC ADDRESS (8 Ω , Ø 3.5 mm)
E) JACK FOR EXTERNAL LOUDSPEAKER (8 Ω , Ø 3.5 mm)
C) TECHNICAL CHARACTERISTICS
1) GENERAL
- Modulation modes : AM/FM
- Frequency ranges : from 28.315 MHz to 28.755 MHz
- Antenna impedance : 50 ohms
- Power supply : 13.8 V
- Dimensions (in mm) : 180 (W) x 188 (D) x 51 (H)
- Weight : 1.5 kg
- Accessories supplied : microphone UP/DOWN with
support, mounting cradle, screws
and fused power cord.
2) TRANSMISSION
- Frequency allowance : +/- 300 Hz
- Carrier power : 15 W AM (50 W PEP) / 15 W FM
- Transmission interference : inferior to 4 nW (- 54 dBm)
- Audio response : 300 Hz to 3 KHz in AM/FM
- Emitted power in adj. channel : inferior to 20 µW
- Microphone sensitivity : 3.0 mV
- Drain : 5 A (with modulation)
- Modulated signal distortion : 2 %
3) RECEPTION
- Maxi. sensitivity at 20 dB sinad : 0.7 µV - 110 dBm (AM)
0,35 µV -116 dBm (FM)
- Frequency response : 300 Hz to 3 kHz in AM/FM
- Adjacent channel selectivity : 60 dB
- Maximum audio power : 3 W
- Squelch sensitivity : minimum 0.2 µV - 120 dBm
maximum 1 mV - 47 dBm
- Frequency image rejection rate : 60 dB
- Intermediate frequency rej. rate : 70 dB
- Drain : 0.4 A nominal / 1.5 A maximum
English
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