Cobra MR HH150 FLT MR HH150 FLTE Manual - International - Page 18

Emergency Messages, and Distress Procedure, Specifications

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VHF Marine Radio Protocols IInnttrroo For Example OOppeerraattiioonn Emergency Messages and Distress Procedure CCuussttoommeerr AAssssiissttaannccee WWaarrrraannttyy "Mayday - Mayday - Mayday" "This is Corsair - Corsair - Corsair" [or "IL 1234 AB," repeated three (3) times] "Mayday Corsair (or IL 1234 AB)" IInnssttaallllaattiioonn CCuussttoommeerr AAssssiissttaannccee "Navy Pier SSeeccoonnddaarryy IIccoonnss bears 220 degrees magnetic - distance 5 miles" "Struck submerged object and flooding - need pump and tow" "Four (4) adults, three (3) children aboard - no one injured" "Estimate we wNNioollttiiccreeemain afloat CCaauuttiioonn one-hWWaaarrlnnfiinnhgg our" "Corsair (or IL 1234 AB) is 26 ft sloop with blue hull and tan deck house" "I will be listening on Channel 16" "This is Corsair (or IL 1234 AB)" "Over" It is a good idea to write out a script of the message form and post it where you and others on your vessel can see it when an emergency message needs to be sent. Intro Secondary Icons Specifications Specifications Operation Customer Warranty SpAesscistainfciecations (Typical) • General Installation Number of Channels All International, Canadian and U.S. Customer Channels Assistance Channel Spacing 25 kHz Modulation 5 kHz Max. Input Voltage 6.0 VDC Battery Life: NiMH: Notice 5%CautTioXn , 5% RWXar,ni9ng0% Standby Alkaline: 9.4 hours @ 3 watts 20 hours @ 0.5 watts 12 hours @ 1 watt 26 hours @ 3 watts 33 hours @ 1 watt Current Drain: Standby Receive (Rx) Transmit (Tx) 45 mA 140 mA 1.1 A @ High Power, 450 mA @ Low Power Temperature Range -20˚C to 50˚C Radio Dimensions 4.5" H x 2.7" W x 1.5" D (114 mm x 69 mm x 38 mm) not including antenna Radio Weight 0 lbs., 8 oz. (247g.) Receiver Frequency Range 156.050 to 163.275 MHz Receiver Type Double Conversion Super-Heterodyne Sensitivity: 12 dB Sinad 0.25 uV Adjacent Channel Selectivity 70 dB Intermodulation and Rejection 70 dB Spurious and Image Rejection 70 dB AF Output 250 mW @ 8 Ohms Transmitter Frequency Range (Tx): 156.025 to 157.425 MHz RF Output Power .5, 1 or 3 watts Spurious Emissions -60 dB @ High Power, -55 dB @ Low Power Microphone Type Condenser Frequency Stability +/-10 ppm FM Hum and Noise 40 dB 30 English Nothing Comes Close to a Cobra® 31

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Specifications
For Example
VHF Marine Radio Protocols
31
Nothing
Comes Close to a Cobra
®
30
English
Emergency Messages
and Distress Procedure
“Mayday — Mayday — Mayday”
“This is Corsair — Corsair — Corsair” [or “IL 1234 AB,” repeated three (3) times]
“Mayday Corsair (or IL 1234 AB)”
“Navy Pier bears 220 degrees magnetic — distance 5 miles”
“Struck submerged object and flooding — need pump and tow”
“Four (4) adults, three (3) children aboard — no one injured”
“Estimate we will remain afloat one-half hour”
“Corsair (or IL 1234 AB) is 26 ft sloop with blue hull and tan deck house”
“I will be listening on Channel 16”
“This is Corsair (or IL 1234 AB)”
“Over”
It is a good idea to write out a script of the message form and post it where you
and others on your vessel can see it when an emergency message needs to be sent.
Specifications
Specifications (Typical)
•
General
Number of Channels
All International, Canadian and U.S.
Channels
Channel Spacing
25 kHz
Modulation
5 kHz Max.
Input Voltage
6.0 VDC
Battery Life:
NiMH:
9.4 hours @ 3 watts
20 hours @ 0.5 watts
5% TX, 5% RX, 90% Standby
12 hours @ 1 watt
Alkaline:
26 hours @ 3 watts
33 hours @ 1 watt
Current Drain:
Standby
45 mA
Receive (Rx)
140 mA
Transmit (Tx)
1.1 A @ High Power, 450 mA @ Low Power
Temperature Range
-20˚C to 50˚C
Radio Dimensions
4.5” H x 2.7” W x 1.5” D
(114 mm x 69 mm x 38 mm) not including
antenna
Radio Weight
0 lbs., 8 oz. (247g.)
Receiver
Frequency Range
156.050 to 163.275 MHz
Receiver Type
Double Conversion Super-Heterodyne
Sensitivity:
12 dB Sinad
0.25 uV
Adjacent Channel Selectivity
70 dB
Intermodulation and Rejection
70 dB
Spurious and Image Rejection
70 dB
AF Output
250 mW @ 8 Ohms
Transmitter
Frequency Range (Tx):
156.025 to 157.425 MHz
RF Output Power
.5, 1 or 3 watts
Spurious Emissions
-60 dB @ High Power, -55 dB @ Low
Power
Microphone Type
Condenser
Frequency Stability
+/-10 ppm
FM Hum and Noise
40 dB