Uniden MHS550 manual Reference Section, Specifications

Page 58

		Reference Section
Specifications
	General
	Item	Description
	Channels	All USA, Canadian, and International
	Frequency	Marine-Weather:156.05 ~ 163.275MHz, 25kHz Step
	Range/Step	Family Radio Service: 462.5625 ~ 467.7125MHz, 12.5kHz Step
		AM Broadcast: 500.00 ~ 1800kHz, 10 or 9kHz Step
		FM Broadcast: 87.5 ~108.0MHz, 100 or 200MHz Step
		Aircraft: 108.00 ~ 137.00MHz, 25kHz Step
	Antenna	Fixed Mount type
	Connectors	External MIC/SPEAKER, 2.5mm Diam. 3-contact Stereo type
	Controls and	Volume, Squelch with Power On/Off, Up, Down Keys,Ch16/TRI, Menu, Enter, WX Alert, Scan/Mem,
	Switches	Band/1,2.5/5W, Push to Talk, Light/Lock
	Display	LCD 128 x 64 Full Dot Matrix
	Backlight	LCD Front Key -yellow-green color
	Cabinet Size	4.21H x 2.55W x 1.38D inches (107 x 65 x 35mm)
	Weight	9.5 oz (270 g.)
	Speaker	Built-in 32mm diam. Dynamic type (8ȍ, 0.7W)
	Microphone	Built-in Electret type
	Supplied	Li-Ion Battery Pack (7.4VDC, 1400mA/hr min) AC Adapter, Drop-In Charger, CLA DC Cord, Alkaline
	Accessories	Battery Tray (4xAAA), Belt Clip, Hand Strap
	Operating	-30° C to 50° C. (Battery charge: 0° C to 45° C.)
	Temperature
	Storage	-30° C to 60° C
	Temperature
	AC Adapter	Input: 100VAC ~ 240VAC, 50/60Hz Output: 12VDC, 1A
	Regulation	FCC, IC
	Battery Life	10 Hours, Min.
	(Li-Ion)
	Waterproof Grade	Compliant to JIS7/IPX7 Immersion Protection Standards. Submersible in one meter of water for 30
		minutes without damage.

Transmitter
Items		Unit	Nominal
Frequency Tolerance @ 25° C to 50° C		PPM	±0.5
Frequency Stability -20° C to 50° C		PPM
Carrier Power	(MRN, 5W)	W	5
	(MRN 2.5W)	W	2.5
	(MRN 1W)	W	1
	(FRS/MRN 0.5W)	W	0.5
Spurious Emission	(MRN 5W)	dBc	53
	(MRN 2.5W/1W)	dBc	58
Modulation Frequency Response	500Hz	dB	-6
	2000Hz	dB	+6
Microphone Sensitivity	(MRN for ± 3kHz Deviation)	mV	6
	(FRS for ± 1.5kHz Deviation)	mV	6
Maximum Deviation@100mV Input	(MRN)	±kHz	4.5
	(FRS with Subaudio)	±kHz	2.3
Modulation Distortion 750 μS		%	0.6
De-emphas 0.3 to 3kHz BPF
Hum and Noise 750 μS	(MRN)	dB	38
De-emphas 0.3 to 3kHz PF	(FRS)	dB	35
Current Drain @ High Power 5W	(MRN)	mA	1500
	(FRS)	mA	650

58	Uniden MHS550 Radio Owner’s Manual

Image 58

Contents Page Maritime Radio Services Operation FCC/Industry Canada InformationTable of Contents USA/CAN/INT U.I.C Selecting and Using Quick Start Guide for the MHS550 Follow these steps to get going Marine BandFRS Band Weather Band AM BandFM Band Aircraft BandScanning Introduction NormalTripleWatch FCC RF Exposure Information Lithium Ion Battery Pack Warning What’s Included Features IntroductionPage MHS550 Controls 17 18Page Page Radio Charger Cradle LCD Displays Family Radio Service FRS BandVHF Marine Band Indicator Meanings Page Indicator Sounds BatteriesInstalling the Lithium Ion Battery Pack Using the Alkaline Battery PackBattery Life and Indication To Mount the Cradle on a Counter Top Mounting the Charging CradleAlkaline Batteries and Radio Performance Mounting on a WallAttaching the Belt Clip Basic Operation, Controls Settup Options Operation Marine and Weather BandsSetting the Transmitting Power Level Selecting a ChannelTransmitting To transmit, follow the steps belowOperation Family Radio Service Band Operation AM BandOperation FM Band Operation Aircraft BandUsing the Radio Menu Options Marine Band FRS BandAccessing the Menus USA/CAN/INT U.I.C. Marine Band OnlyLamp Backlight Adjust For All Bands Contrast Adjust Adjusting Display Contrast For All BandsSetting the Key Beep For All Bands Adding Fips Codes For Marine/Weather Band OnlyI t Changing Channel Names For Marine Band Only 03A CG OnlySetting Ctcss Codes FRS Band Only CodePage Setting Frequency Steps AM, FM Only Tuning Steps. Press EnterSetting the Key Lock For All Bands Setting FM Muting FM Band OnlyOther Options Manually Selecting Coast Guard/Distress/Hailing Channels Storing a Channel or Frequency in Memory For All Bands Selecting and Using Weather Channel and Weather Alert WX AlertSec Immediate Scanning The Basics and Beyond TripleWatch Scanning as above, but also monitors Channel Normal Scanning TripleWatch and DualWatch Scanning VHF FRS Both Watches and Weather Channel VHF-FRS Page Examples of Mode Applications Accessory Options Using the External Speaker/Mic JackCare and Maintenance TroubleshootingSymptom Cause Remedy Specifications Reference SectionReceiver Items Unit Nominal Limit USA Channel Frequencies Status Full Name Char NameMarine Operator Canadian Channel Frequencies Inhiber International Channel Frequencies Port Operation FRS Channels Frequencies Noaa Channels and FrequenciesCtcss Channels and Frequencies DCS CodesThree Year Limited Warranty Warrantor Uniden America Corporation Uniden