PRESIDENT Barry FM, Руководство пользователя, Страница: 10 / 20

10
D) FUNCTIONS WITH PTT PEDAL
2 more functions are available. To activated the function press
and hold the PTT pedal ( 8 ) and press the function key. Repeat this
process to deactivate the function.
1) TALKBACK
( PTT + F )
The TALKBACK function can be activated or deactivated as follows:
a) Press and hold the PTT switch ( 8 )
b)
Short press on
F
key (
5
). Current
TALKBACK
level blinks 3 times al-
lowing you to adjust this level.
When function is activated, “TALKBACK” appears on the display.
This function allows to ear your own modulation with the CB speaker.
2) TALKBACK LEVEL
( PTT +
s
/
t
on the unit)
- At step b) adjust the TALKBACK level using the
s
/
t
keys on the
unit.
- When the function in on and “TALKBACK” is shown on the display,
press and hold the
PTT
switch (
8
), then use the
s
/
t
keys on the
unit. 9 levels from
01
to
09
.
-
Note:
The use of the
UP
/
DN
knobs (
2
) on microphone are not allowed
to adjust
TALKBACK
level.
A) DC-POWER TERMINAL (13,2 V / 26,4 V)
B) ANTENNA CONNECTOR (SO-239)
C) EXTERNAL SPEAKER JACK (8
Ω
, Ø 3,5 mm)
D) PA SPEAKER JACK (8 Ω , Ø 3,5 mm)
E) TECHNICAL CHARACTERISTICS
1) GENERAL
- Channels : 40
- Modulation modes : FM
- Frequency ranges : from 26.965 MHz to 27.405 MHz
- Antenna impedance : 50 ohms
- Power supply : 13.2 V / 26.4 V
- Dimensions (in mm) : 125 (L) x 175 (H) x 45 (D)
- Weight : ~ 0.9 kg
- Accessories supplied : Electret microphone with support,
mounting cradle, screws.
- Filter : ANL (Automatic Noise Limiter) built-in
2) TRANSMISSION
- Frequency allowance : +/- 200 Hz
- Carrier power : 4 W
- Transmission interference : inferior to 4 nW (- 54 dBm)
- Audio response : 300 Hz to 3 KHz
- Emitted power in the adj.
channel : inferior to 20 µW
- Microphone sensitivity : 7 mV
- Maximum drain : 1.7 A at 13.2 V / 0.85 A at 26.4 V
- Modul. signal distortion : 2 %
3) RECEPTION
- Maxi. sensitivity at 20
dB sinad : 0.35 µV - 116 dBm
- Frequency response : 300 Hz to 3 kHz
- Adjacent chan. selectivity : 60 dB
- Maximum audio power : 2.5 W
- Squelch sensitivity : minimum 0.2 µV - 120 dBm
maximum 1 mV - 47 dBm
- Frequency image
rejection rate : 60 dB
- Intermediate frequency
rejection rate : 70 dB
- Drain : 180 ~ 500 mA (13.2 V)
100 ~ 300 mA (24.6 V)