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Copyright © 2015 RCA Communications Systems

33

MR240

TM

VHF Marine Two-Way Radio Instruction Manual

Receiver

Receive Sensitivity

≤0.22μV

Squelch Sensitivity

≤0.22μV

HUM and Noise

≥40dB

Adjacent Channel Selectivity

≥70dB

Spurious Response

≥70dB

Intermodulation

≥68dB

Audio Output Power

≥0.6W (10%)

SPECIFICATIONS

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Summary of Contents for MR240

Page 1: ...wlessly under the most demanding commercial conditions Cutting edge design professional grade materials and components simple operation and superior assembly quality RCA Communications Systems has it all including our exclusive no nonsense two year Warranty Protection Program one of the most comprehensive warranties in the communications industry To ensure you achieve maximum performance from your...

Page 2: ...ns important operating instructions Please read all the instructions carefully and completely before using the transceiver CAUTION NEVER connect the transceiver to an AC out let This may pose a fire hazard or result in an electric shock DO NOT use or place the transceiver in direct sunlight or in areas with temperatures below 5 F 15 C or above 131 F 55 C KEEP the transceiver at least 1 meter away ...

Page 3: ... Otherwise the transceiver s key switches and controllers may become unusable due to salt crystallization NOTE DO NOT submerge the transceiver in water if there is any reason to suspect the waterproof protection may not be effective For example in cases where the battery cover or DC power jack rubber seal is damaged cracked or broken or the transceiver has been dropped or when the battery cover an...

Page 4: ...water The light works even when the radio is turned OFF Flashing Warning Lights WATER CLEAN WaterClean is new technology that helps clears water from the speaker The WaterClean function emits a vibrating beep that helps remove water which can muffle the sound coming from the speaker from the speaker housing ADDITIONAL FEATURES Up To 5 Watts Dual Bands Three Bands Frequency Watch Large LCD Display ...

Page 5: ...act other vessels and the Coast Guard by sending a dis tress call on Channel 16 DISTRESS CALL PROCEDURE USING CHANNEL 16 1 MAYDAY MAYDAY MAYDAY 2 THIS IS name of vessel 3 Your call sign or other indication of the vessel 4 LOCATED AT your position 5 The nature of the distress and assistance required 6 Any other information which might facilitate the rescue ...

Page 6: ...l 16 ReceivingandTransmitting 16 Receiving 16 Transmitting 17 Channel Group Selecter 17 Channel Selection 18 Channel16 18 Channel 9 Call Channel 18 WeatherChannels 19 CallChannelProgramming 19 Monitor Function 20 Volume Loud Function 21 Volume Mute Function 21 Automatic Backlight 21 Lock Function 21 WaterClean Water Draining Function 22 SCAN OPERATION Scan Types 22 Setting TAG Channels 24 Setting ...

Page 7: ...et Mode Items 28 BeepToneFunction bP 28 Weather Alert AL 28 Priority Scan Function Pr 28 Scan Resume Time St 28 Auto Scan Function AS 28 Dual Tri watch Function dt 29 Monitor Key Action Sq 29 Automatic Backlighting bL 29 LCD Contrast Setting LC 29 Power Save Function PS 29 CHANNEL LIST 31 SPECIFICATIONS 32 TROUBLESHOOTING 34 BATTERY CAUTION 36 WARRANTY STATEMENT 40 RF EXPOSURE 43 CONTENTS continue...

Page 8: ...ion Manual 1 Charging the Battery Pack Important Prior to using the transceiver for the first time the battery pack must be fully charged for optimum life and operation To avoid damage to the transceiver turn the power OFF while charging 1 Connect the AC Adapter to a standard electrical outlet 2 Rotate and remove the power jack cap on the top of the transceiver and plug the power adapter connector...

Page 9: ...y cover as shown Push the cover until the latch comes back to the locked position To remove the battery pack slide the latch and lift the battery cover to remove it Then remove the battery pack as shown CAUTION When inserting or replacing the battery pack please be sure the battery cover latch is returned to the locked position If the latch is not properly locked water may enter the unit causing d...

Page 10: ...or rotate it clockwise 2 To remove the antenna rotate it counter clockwise NEVER carry the transceiver by the antenna Belt Clip Using the two supplied screws attach the belt clip to the back of the transceiver Hand Strap Pass the hand strap through the loop on the side of the transceiver as illustrated at right This facilitates carrying ...

Page 11: ...hannel Push to select channel 16 Hold for 1 second to select the call channel factory default channel 9 When the call channel is selected hold for 3 seconds to enter the call channel programming mode While in the set mode push to return to the normal operation mode 3 FAV TAG PUSH to sequentially select your favorite channels in a channel group Hold for 1 second to set or clear the TAG for Speaker ...

Page 12: ...s key push to turn ON the Volume Mute function Do the same steps again to turn OFF the function the display channel While holding turn ON the power to clear or set all TAG channels in the selected channel group 4 SCAN DUAL Push to start or stop a normal or priority scan Hold for 1 second to enter the Dual Tri watch mode Push to exit the Dual Tri watch mode Hold this key and HI LO key for 1 second ...

Page 13: ... into the transceiver DISPLAY While holding this key push to turn ON the Volume Loud function Do the same steps again to turn OFF the function 8 UP DOWN Push to select an operation channel While in the Set Mode push to select the setting or value of an item Push to check TAG channels or change scanning direction during a scan 9 CH Hold for 1 second one or more times to select a USA International o...

Page 14: ...ning battery power Blinks while scanning Appears while the lock function is activated Icon Description Transmit Indicator Appears while transmitting Low Power indicator 1 LOW appears when low power is selected 2 LOW blinks when switching forced low power mode because of a high temperature error or low voltage Weather Channel and Weather Alert Indicator WX appears when the weather channel group is ...

Page 15: ...l The VOL icon starts blinking The transceiver has 31 volume levels and OFF When no key operation is performed for 5 Icon Description Appears when a duplex channel is selected Appears when in Dualwatch mode Appears when Tri watch mode Channel number readout Indicates the selected operating channel number In Set Mode indicates the selected condition In Dual Tri watch mode shows CH16 during priority...

Page 16: ...hen push or to adjust the squelch level The SQL icon starts blinking The transceiver has 11 squelch levels OP is completely open 10 is tight squelch 1 is loose squelch If a squelch adjustment is not made within 5 seconds the transceiver returns to the normal mode 2 Push VOL SQL again to exit the squelch adjustment mode RECEIVING AND TRANSMITTING Receiving 1 Set the volume levels by push VOL SQL or...

Page 17: ...ion 3 Release PTT to receive NOTE Transmitting without an antenna can damage the transceiver Tomaximizethereadabilityofyourtransmitted signal pause for a second after pushing PTT hold the microphone 2 4 5 10cm from your mouth and speak into the microphone at a normal voice level CHANNEL GROUP SELECTER This transceiver is pre programmed with U S A International Canadian channels Choose the appropri...

Page 18: ...th Dualwatch and Tri watch mode When not broadcasting you must always monitor Channel 16 1 Push 16 C momentarily to select Channel 16 2 Push CH to return to the channel used before Channel 16 or push or to select a channel Channel 9 Call Channel Each regular channel group has separate leisure use call channels The Call Channel is monitored during Tri watch The Call Channels can be programmed and a...

Page 19: ...can set up Call Channels in each channel group for quick recall of the channels you use most often group for quick recall 1 Push and hold 16 C for 1 5 second to select the Call Channel of the selected channel group CALL and call channel number appears 2 Push CH to return to return to the previous channel or push or to select a channel Weather Channels The MR240TM transceiver has 10 pre programmed ...

Page 20: ...u hear a beep and a DUDU tone After the tone you can begin entering the channels you want in Call Channel Programming Channel number blinks 4 Push or to select desired call channel 5 Push 16 C to confirm and save Push CH cancel and exit MONITOR FUNCTION The monitor function opens the squelch Push MONI to active monitor function BUSY will blink and sound while monitor function actives Dual Band Dut...

Page 21: ...d to activate The audio is muted The volume level indicator starts blinking 2 Push VOL SQL and to turn Volume Mute off AUTOMATIC BACKLIGHT This function is convenient for night time operation The automatic backlighting can be activated in Set Mode Push any key except for PTT to turn the backlighting ON Backlighting is automatically turned OFF after 5 seconds of inactivity LOCK FUNCTION This functi...

Page 22: ...tone sounds for 9 seconds to drain water regardless of volume level setting The transceiver does not perform key operations while the WaterClean function is activated The WaterClean function can not be activated when an optional speaker or microphone is connected SCAN OPERATION SCAN TYPES Scanning is an efficient way to locate signals quickly over a wide frequency range The transceiver has priorit...

Page 23: ...hannel 16 is not checked unless Channel 16 is set as a TAG channel Priority Scan Priority scan sequentially searches through all TAG channels while monitoring Channel 16 When a signal is detected on Channel 16 the scan pauses until the signal disappears when a signal is detected on a channel other than Channel 16 the scan switches to Dualwatch until the signal disappears Normal Scan Priority Scan ...

Page 24: ... To set the displayed channel as a TAG Channel appears in the function display 4 To cancel a TAG channel setting push and hold for 1 second disappears Setting or clearing all tagged channels 1 While pushing and holding TAG turn power ON to clear all TAG channels in the selected channel group 2 Repeat above procedure to set all channels as TAG channels STARTING A SCAN 1 Push SCAN to start normal sc...

Page 25: ...Mode page 26 DUALWATCH TRI WATCH DESCRIPTION Dualwatch monitors Channel 16 while you are receiving on another channel Tri watch monitors Channel 16 and a call channel while receiving another channel Dualwatch Tri watch is convenient for monitoring channel 16 when you are operating on another channel OPERATION 1 Push SCAN DUAL for 1 second to start Dualwatch or Tri watch DW blinks during Dualwatch ...

Page 26: ...ction Priority Scan Function Scan Resume Timer Auto Scan Function Dual Tri watch Function Monitor Key Action Automatic Backlighting LCD Contrast Setting and Power Save Function Set Mode operation 1 Turn OFF the power 2 While holding down VOL SQL turn ON the power to enter Set Mode 3 Release VOL SQL bP appears on display 4 Push VOL SQL to select a desired option of the item 5 Push to select the des...

Page 27: ...1 bP Beep Off On of on on 2 AL Weather Warning Off On of on of 3 Pr Priority Scan Off On of on of 4 St Scan Resume Timer Off On of on of 5 AS Automatic Scanning Off On of on of 6 dt Dualwatch Tri watch Duty d t d 7 Sq Monitor Key Functions Push Hold Pu Ho Pu 8 bL Automatic Backlight Off On of on on 9 LC LCD Contrast Hi Lo Hi 10 PS Power Save Off On of on on ...

Page 28: ... Pr The transceiver has 2 scan types normal OFF and priority ON scan A normal scan searches all TAG channels in the selected channel group A Priority Scan sequentially searches all TAG channels while monitoring Channel 16 Scan Resume Timer St The Scan Resume Timer can be set as a pause OFF or timer scan ON OFF when a signal is detected the scan pauses on the channel until the signal disappears and...

Page 29: ... is turned OFF ON Function is turned ON and will be activated when no signal is received and no operation is performed for 5 seconds Dual Tri watch Function dt Set the watch type to Dualwatch or Tri watch Monitor Key Action Sq The Monitor Key temporarily opens the squelch This item sets the key action PU Push The monitor function is activated by holding down MONI The squelch open while holding dow...

Page 30: ...Manual 30 SET MODE ITEMS The display shows the current settings and the selected function is displayed in the dotted circle Auto scan Starting item Dual Tri watch Automatic backlighting Power save LCD contrast Monitor key action Push Push Push or ...

Page 31: ...ual CHANNEL LIST Channel number Channel number Channel number Channel number Frequency MHz Frequency MHz Frequency MHz Frequency MHz USA USA USA USA Frequency MHz INT INT INT INT CAN CAN CAN CAN Transmit Transmit Transmit Transmit Transmit Receive Receive Receive Receive Receive Weather Channel ...

Page 32: ...i ion DC 3 7V Frequency stability 10 PPM Operating temperature range 5 F 15 C 131 F 55 C Antenna impedance 50Ω Dimensions H W D 5 5 140mm 2 6 65mm 1 6 41mm Weight 8 7 oz 247g Transmitter Output Power 5W 1W Maximum Frequency Deviation 5kHz Spurious Emissions 0 25uW Adjacent Channel Power 70dB Audio Harmonic Distortion 10 Current Drain 1 5A High power 0 9A Low power 0 35A Max audio output ...

Page 33: ...VHF Marine Two Way Radio Instruction Manual Receiver Receive Sensitivity 0 22μV Squelch Sensitivity 0 22μV HUM and Noise 40dB Adjacent Channel Selectivity 70dB Spurious Response 70dB Intermodulation 68dB Audio Output Power 0 6W 10 SPECIFICATIONS continued ...

Page 34: ...t troubleshooting issue please contact Customer Support for more information PROBLEM POSSIBLE CAUSE SOLUTION Pg The transceiver does not turn ON 1 The battery is exhausted 2 The battery pack is not correctly inserted 1 Recharge the battery pack 2 Correctly insert the battery pack 8 9 No sound from speaker 1 The squelch level is too high 2 Volume level is too low 3 Speaker has been exposed to water...

Page 35: ...receive 3 The output power is set to low 4 The battery is exhausted 1 Change the channel 2 Push Hi Lo to select high power 3 Recharge the battery pack 17 19 17 8 The displayed channel cannot be changed 1 The Lock function is activated 1 Hold down Hi Lo for 1 second to turn OFF the function 21 Scan does not start 1 TAG channels are not programmed 1 Set desired channels as TAG channels 24 No beep so...

Page 36: ... severely impacted or dropped or if the battery has been subjected to heavy pressure Battery damage may not be visible on the outside of the case Even if the surface of the battery does not show cracks or any other damage the cells inside the battery may rupture or catch fire DANGER NEVER use or leave battery pack in areas with temperatures above 122 F 50 C High temperature buildup in the battery ...

Page 37: ...ult Rinse your eyes with clean water without rubbing them and see a doctor immediately WARNING Immediately stop using the battery if it emits an abnormal odor heats up or is discolored or deformed If any of these conditions occur contact your Icom dealer or distributor WARNING Immediately wash using clean water any part of the body that comes into contact with fluid from inside the battery WARNING...

Page 38: ...n three months 4 F to 77 F 20 C to 25 C within a year CHARGING CAUTION Charge the battery pack at least once every six months even if it has been not used for a long period of time The battery pack will have slowly self discharged even though it has not been used If the battery pack is left for a long period without being charged its life cycle will be shorter or worse it will never accept a charg...

Page 39: ...pecified time for charging If the battery is not completely charged by the specific time stop charging and remove the battery from the battery charger Continuing to charge the battery beyond the specific time limit may cause a fire overheating or the battery may rupture WARNING NEVER insert the transceiver battery attached to the transceiver into the charger if it is wet or soiled This could corro...

Page 40: ...o the original end user a Two 2 Year Limited Warranty on the RCA MR240TM Radio Handset The MR240TM Antenna MR240TM Battery and the MR240TM Battery Charger are covered under a One 1 Year Limited Warranty The MR240TM Belt Clip is not covered under the warranty During this period if the product fails to function under normal use because of manufacturing defect s or workmanship it should be returned t...

Page 41: ... WARRANTIES EITHER EXPRESSED OR IMPLIED OR STATUTORY INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE FOR ANY PRODUCT WHICH DOES NOT COMPLY WITH THE WARRANTY SPECIFIED THE SOLE REMEDY WILL BE REPAIR OR REPLACEMENT IN NO EVENT WILL RCA COMMUNICATIONS SYSTEMS BE LIABLE TO THE BUYER OR ITS CUSTOMERS FOR ANY DAMAGES INCLUDING ANY SPECIAL INCIDENTAL INDIR...

Page 42: ... this manual may be copied reproduced translated stored in a retrieval system distributed or transmitted in any form or by any means electronic or mechanical for any purpose without the expressed written permission from RCA Communications Systems The end user of any two way radio is solely responsible for obtaining any license or other authorizations required by the Federal Communications Commissi...

Page 43: ...rements described herein are not met Operating Instructions Transmit no more than the rated duty factor of 50 of the time To transmit talk push the Push To Talk PTT button To receive calls release the PTT button Transmitting 50 of the time or less is important because this radio generates measurable RF energy exposure only when transmitting in terms of measuring for standards compliance Hold the r...

Page 44: ... the face then ensure the antenna and the radio are kept at least one inch 2 5 cm from the body when transmitting Keeping the radio at the proper distance is important because RF exposure decreases when increasing distance from the antenna Use only RCA Communications Systems approved supplied or replacement antennas batteries and accessories Use of third party antennas batteries and accessories ma...

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