50
General
Controls
: On-Off/Volume, Squelch
Status Indicators
: TX (Transmit), TRI (Triple Watch),
HI (High), LO (Low), U, C, I, MEM, WX, DSC,
(Alarm),
(GPS), and Channel Display
Channel Display
: LCD with Orange backlight
Buttons
: 16/9/TRI, DISTRESS, PA/MODE, MEM, SELECT,
STEP/SCAN, MENU, HI/LO
Connectors
: Antenna, Remote, ACC, and DC power
Size
: H63 mm x W160 mm x L168 mm (W/O Heat Sink)
H3.07 inches x W7.24 inches x L6.61 inches
Weight
: 1.0 kg / 2.65 lbs / 42.3 oz
Supply Voltage
: 13.8V DC negative ground
Standard Accessories
: Mounting bracket and hardware, DC power cord,
microphone hanger, spare fuse, ACC Cable
Antenna Impedance
: 50
Ω
nominal
Microphone
: Rugged 2 k
Ω
condenser mic element with
coiled cord
Speaker
: 1.82 inch, Mylar Cone 8
Ω
Operating Temperature Range
: –15 °C to + 55 °C (+5 °F to +131 °F)
Shock and Vibration
: Meets or exceeds EIA standards, RS152B and
RS204C
Transmitter
Power Output
: 1 watt or 25 watt (switch selectable)
Power Requirement
: Not rated on LO, 25 watts output: [email protected] DC
Modulation
: FM ±5 kHz deviation
Hum and Noise Signal-to-Noise
: 45 dB@1 kHz with 3 kHz deviation with 1000 Hz
modulating frequency (nominal)
Audio Distortion
: Less than 8% with 3 kHz deviation with 1000 Hz
modulating frequency
Spurious Suppression
: –70 dBm @ Hi, –70 dBm @ Lo
Output Power Stabilization
: Built-in automatic level control (ALC)
Frequency Range
: 156 to 158 MHz
Frequency Stability
: ±10 ppm @ –15°C to + 55°C
Receiver
Frequency Range
: 156 to 163 MHz
Sensitivity
: 0.25
µ
V for 12 dB SINAD
Circuit
: Dual Conversion Super Heterodyne PLL
Squelch Sensitivity
: 0.8
µ
V Threshold
Spurious Response
: 70 dB
Adjacent Channel Selectivity
: 75 dB @ ±25 kHz
Audio Output Power
: 2.8 watts (10% Distortion)
Power Requirement
: 200 mA @ 13.8V DC squelched, 0.7A @ 13.8V DC
at maximum audio output
IF Frequencies
: 1st 21.4 MHz, 2nd –455 kHz
Specification
OCEANUS DSC/ATIS_ENG_0512 5/12/05 10:34 AM Page 50