Technical Characteristics - PRESIDENT JFK II A+ Manual Del Usuario

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,
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 KΩ 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
- Frequency ranges
- Antenna impedance
- Power supply
- Dimensions (in mm)
- Weight
- Accessories supplied
2) TRANSMISSION
- Frequency allowance
- Carrier power
- Transmission interference
- Audio response
- Emitted power in adj. channel
- Microphone sensitivity
- Drain
is displayed and - Modulated signal distortion
3) RECEPTION
- Maxi. sensitivity at 20 dB sinad
- Frequency response
- Adjacent channel selectivity
- Maximum audio power
- Squelch sensitivity
- Frequency image rejection rate : 60 dB
- Intermediate frequency rej. rate : 70 dB
- Drain
10
: AM/FM
: from 28.315 MHz to 28.755 MHz
: 50 ohms
: 13.8 V
: 180 (W) x 188 (D) x 51 (H)
: 1.5 kg
: microphone UP/DOWN with
support, mounting cradle, screws
and fused power cord.
: +/- 300 Hz
: 15 W AM (50 W PEP) / 15 W FM
: inferior to 4 nW (- 54 dBm)
: 300 Hz to 3 KHz in AM/FM
: inferior to 20 µW
: 3.0 mV
: 5 A (with modulation)
: 2 %
: 0.7 µV - 110 dBm (AM)
0,35 µV -116 dBm (FM)
: 300 Hz to 3 kHz in AM/FM
: 60 dB
: 3 W
: minimum 0.2 µV - 120 dBm
maximum 1 mV - 47 dBm
: 0.4 A nominal / 1.5 A maximum