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Congratulations on selecting the MRM400
RCA Communications Systems - The Most Trusted Name In Radio!
Our new series of business communications products establishes a new benchmark in premium radio
products made to perform flawlessly 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 maximum performance from your MRM400
CAUTION:
■
Never use the Distress call unless you are in an emergency.
■
Do not use or place the transceiver in areas of heat, humidity and dust.
■
The working voltage for the transceiver is 13.8V. If the power source is 24V, please use a power converter
(24V converted to 13.8V), or the transceiver won't work.
■
Never directly connect to 220V AC as this will ruin the transceiver. If an abnormal odor or smoke is detected
coming from the transceiver, turn off the power immediately.
■
Do not transmit before connecting the antenna. This will ruin the transceiver.
■
After extended use, the heating panel will become hot, which is normal.
MRM400
VHF Marine Two-Way Radio Instruction Manual
TM
Copyright © 2015 RCA Communications Systems
from
TM
radio, please be sure to carefully read this manual.
TM
1
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Summary of Contents for RCA MRM400
- Page 1 Our new series of business communications products establishes a new benchmark in premium radio products made to perform flawlessly 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,”...
- Page 2 ■ WaterClean water draining function Thank you for purchasing our MRM400 Marine 2-Way Radio. IMPORTANT The MRM400 VHF Marine Two-Way Radio is a READ ALL INSTRUCTIONS carefully and completely powerful marine radio that is designed to IMO before using the transceiver.
- Page 3 16 V DC or CALLING (DSC ) CHANNEL 70 use reverse polarity. This will could cause a fire the transceiver. 1. While lifting up the key cover, hold down Copyright © 2015 RCA Communications Systems...
- Page 4 CAUTION: NEVER place the transceiver where normal operation of the vessel may be hindered RCA requires the radio operator to meet the FCC or where it could cause bodily injury. Requirements for Radio Frequency Exposure. An omnidirectional antenna with gain not greater KEEP the transceiver and microphone at least 3.3...
- Page 5 FAILURE TO OBSERVE THESE LIMITS MAY ANTENNAS WITH A MAXIMUM GAIN OF ALLOW THOSE WITHIN THE MPE RADIUS TO 9dBi ARE USED FOR A SHIP MOUNTED EXPERIENCE RF RADIATION ABSORPTION SYSTEM. WHICH EXCEEDS THE FCC MAXIMUM Copyright © 2015 RCA Communications Systems...
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Page 6: Table Of Contents
DSC OPERATION Receiving and Transmitting ......17 MMSI Code Programming ......27 Channel Group Selection ......17 MMSI Code Check ........27 Channel Selection ........19 DCS Address ID......... 28 Call Channel Programming ......20 Distress Call ..........30 Copyright © 2015 RCA Communications Systems... - Page 7 Position Indication Call ....... 40 SET MODE Set Mode Programming ......45 Set Mode Items ......... 47 CHANNEL LIST ........... 49 SPECIFICATIONS ......... 50 TROUBLESHOOTING ........52 WARRANTY STATEMENT ......54 RF EXPOSURE ..........57 Copyright © 2015 RCA Communications Systems...
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Page 8: Preparation
Place the Microphone hanger flat washers on the knob bolts and tighten the Instruction manual knob bolts so that the transceiver is securely mounted. Knob Bolts and flat washers Screws for Microphone Hanger Copyright © 2015 RCA Communications Systems... - Page 9 1. Cut a hole into the instrument panel or the clamps press firmly against the inside of wherever you plan to mount the transceiver. the instrument control panel. 2. Slide the transceiver through the holes as shown below. Bolt Copyright © 2015 RCA Communications Systems...
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Page 10: Antenna Connection
Electrical Tape ■ Transmitting without an antenna may damage the transceiver. ■ External speaker lead Antenna Connector Wiring details for an external speaker below. Feeder Connector To The Antenna Blue Speaker Gray: Speaker Gray Speaker Copyright © 2015 RCA Communications Systems... - Page 11 * Be sure to power off the unit before replacing the fuse. Yellow Green ■ DC power connector Connect the supplied DC power cable to an external 13.8V DC power source. Do not connect to 24V storage battery. Copyright © 2015 RCA Communications Systems...
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Page 12: Dimensions
1. Channel 16 / Call Channel Key [16] - Push to select Channel 16 (emergency channel). - Push and hold for 1 sec. to select call channel. “CALL” appears when the call channel is selected. Copyright © 2015 RCA Communications Systems... - Page 13 - Push and hold to stop Dualwatch or Tri-watch Push and hold for 5 sec. to transmit a Distress when either is activated. Signal. - Push to move the cursor forward. 7. Scan / Tag Key [SCAN] Copyright © 2015 RCA Communications Systems...
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Page 14: Microphone
Push and hold to transmit; release to receive. ▲ - While pushing and holding [SCAN], push [ ▲ ▼ or [▼] to adjust the brightness of the LCD and 2. Channel UP / DOWN Keys[ key backlight. Copyright © 2015 RCA Communications Systems... -
Page 15: Function Display
ON and OFF. - In Set Mode, indicate the selected condition. 2. Channel Group Indicator Indicate whether a U.S.A. “U”, International “I” or Canadian “C” channel is in use. Copyright © 2015 RCA Communications Systems... - Page 16 Appears when low power is selected. 5. GPS Indicator 9. Call Channel Indicator - Appears while valid position data is received. Appears when the call channel is selected. - Blinks when invalid position data is received. Copyright © 2015 RCA Communications Systems...
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Page 17: Basic Operation
1. Rotate [VOL] clockwise to turn power on. - Channel 70 cannot be used for anything 2. Rotate [VOL] counter-clockwise to turn other than DSC (distress alerts). power off. 3. Release [PTT] to receive. Copyright © 2015 RCA Communications Systems... -
Page 18: Channel Group Selection
4. Rotate [SQL] clockwise until the noise ▲ 3. Push [ ] or [▼] to select a channel. disappears. - [D] appears for duplex channels. - “When receiving a signal, [ ] appears and audio is emitted from the speaker. Copyright © 2015 RCA Communications Systems... -
Page 19: Channel Selection
■ Channel 9 (Call channel) 1. Push [16] momentarily to select Channel 16. Each regular channel group has a separate leisure-use call channel (Channel 9, default). 2. Push [CH/WX] to return to the condition Copyright © 2015 RCA Communications Systems... -
Page 20: Call Channel Programming
(default), however, you can program the call automatically detect a weather alert tone on channel with your preferred channel in each the selected weather channel while receiving channel group for quick recall. the channel or during scanning. Copyright © 2015 RCA Communications Systems... -
Page 21: Channel Comments
Capital letters, lower case letters (except f, j, k, p, s, v, x, z), 0 to 9, some symbols (=*+ - ./) and space can be used. 4. Push [▲] or [▼] to select the desired channel. Copyright © 2015 RCA Communications Systems... -
Page 22: Microphone Lock Function
ON and OFF. ▲ 3. Pushing [ ] or [▼] to select the desired character. - Push [16] or [CH/WX] to move the cursor forward or backward, respectively. 4. Repeat step [3] to input all characters. Copyright © 2015 RCA Communications Systems... -
Page 23: Display Backlighting
] and [▼], scan. (Refer to Set Mode programming). turn power ON. When the weather alert function is turned - “WATERCLEAN” appears. ON, the previously selected (last used) weather channel is also checked while scanning. Copyright © 2015 RCA Communications Systems... -
Page 24: Setting Tag Channels
Priority scan: ▲ 1. Push [U/I/C] (both [ ] and [▼]) several Normal Scan Priority scan searches through all TAG channels times to select the desired channel group. in sequence while monitoring Channel 16. Copyright © 2015 RCA Communications Systems... - Page 25 TAG channels in the selected channel is received on Channel 16 during Priority Scan. group. 2. To stop the scan, push [SCAN] 2. Repeat above procedure to set all TAG channels. Copyright © 2015 RCA Communications Systems...
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Page 26: Dualwatch / Tri-Watch Description
Channel 16. Tri-watch monitors Channel 16 and another selected call channel while receiving another 4. To cancel Dualwatch or Tri-watch, push [CH/ channel. Call Channel WX]. Tri-Watch Tri-Watch Dual-Watch Dual-Watch Dualwatch Tri-Watch Dualwatch Tri-Watch Copyright © 2015 RCA Communications Systems... -
Page 27: Mmsi Code Programming
ON to enter MMSI code programming dealer or distributor. function. MMSI CODE CHECK 3. After the display appears, release [DSC], and cursor starts blinking. The 9-digit MMSI (DSC self ID) code can be checked. Copyright © 2015 RCA Communications Systems... -
Page 28: Dcs Address Id
- The MMSI code is displayed and scrolls at the channel comment indicator. Scrolls ▲ 3. Push [ ] or [▼] to select “ADD”, and push MMSI Scrolls [DSC]. 4. Push [DSC] to return to normal operation. Copyright © 2015 RCA Communications Systems... - Page 29 5 characters ID name using [ ] or [▼]. - When no Address ID is programmed, “NO - Push [16] or [CH/WX] to move the cursor ID” is displayed. forward or backward, respectively. Copyright © 2015 RCA Communications Systems...
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Page 30: Distress Call
- The Distress call is automatically transmitted Note: Never use the Distress call when your ship about every 4 minutes. Copyright © 2015 RCA Communications Systems... - Page 31 Distress call, if desired. 3. Continue monitoring Channel 16 as a coast 5. Push any key except [DISTRESS] to cancel station may require assistance. ‘Call Repeat’ mode. Note: A distress alert contains an undesignated distress signal: Scrolls Copyright © 2015 RCA Communications Systems...
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Page 32: Individual Call
■ Receiving a Distress Relay call 1. Push [DSC] to enter the DSC menu. While monitoring Channel 70 and a Distress - “INDIVIDUAL” scrolls at the channel comment Relay acknowledgement is received: indicator. 1. The emergency alarm sounds. Copyright © 2015 RCA Communications Systems... - Page 33 ] or [▼] to select a desired intership channel, then push [DSC]. 5. After transmitting the Individual call, standby on Channel 70 until an acknowledgement is - Intership channels are already preset into the received. transceiver in recommended order. Copyright © 2015 RCA Communications Systems...
- Page 34 ] or [▼] to select “INDV ACK” and scrolls at the channel comment indicator. push [DSC]. - “INDV ACK” item appears after an Individual call is received. - “INDV ACK” item disappears if another call is Scrolls Copyright © 2015 RCA Communications Systems...
- Page 35 “ABLE” is selected. 4. Push [DSC] to enter the standby condition for Individual acknowledgement call. - “READY” appears at the channel comment indicator. Scrolls Copyright © 2015 RCA Communications Systems...
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Page 36: Group Call
Individual call. ▲ 3. Push [ ] or [▼] to select the desired pre- programmed group address, and push [DSC]. - The ID code for the Group call must be set in advance. Scrolls Copyright © 2015 RCA Communications Systems... - Page 37 While monitoring Channel 70 and a Group - If Channel 70 is busy, the transceiver stands Call is received: by until the channel become clear. 1. The emergency alarm or beeps sound depending on the received category. Copyright © 2015 RCA Communications Systems...
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Page 38: All Ships Call
- Channel 70 is selected and “READY” appears. The All Ships Call function allows you to transmit a DSC signal to all ships. ■ Transmitting All Ships Call Large ships use Channel 70 as their ‘listening Copyright © 2015 RCA Communications Systems... - Page 39 16 automatically. any other key to ignore the call. Scrolls Scrolls ■ Receiving an All Ships Call While monitoring Channel 70 and a All Ships Call is received: Copyright © 2015 RCA Communications Systems...
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Page 40: Geographical Area Call
4. Push [DSC] to change to the channel Push and hold [DSC] for 1 second to display specified by the calling station for voice the current position. communication. Push any other key to ignore Copyright © 2015 RCA Communications Systems... - Page 41 1. Push [DSC] to enter the DSC menu. for Position Request Call. ▲ 2. Push [ ] or [▼] to select “POS REQUEST”, - Channel 70 is selected and “READY” appears. then push [DSC]. Copyright © 2015 RCA Communications Systems...
- Page 42 - “WAIT ACK” scrolls at the Channel Comment Scrolls Indicator. ▲ 3. Push [ ] or [▼] to select the desired pre- programmed individual address. - The ID code for a Position Report Call can be Scrolls Copyright © 2015 RCA Communications Systems...
- Page 43 5. Push [DSC] to transmit the Position Report While monitoring Channel 70 and a Position Call. Request Call is received: 1. “DSC” appears and “RCV POS REQUEST” scrolls at the Channel Comment Indicator. 2. Push any key to stop the beep. Copyright © 2015 RCA Communications Systems...
- Page 44 Latitude coordinates and then other key to ignore the call. Longitude coordinates. - The ‘Latitude’ and ‘Longitude’ from the called 2. Push any key to stop the beep. station is displayed and scrolled automatically Copyright © 2015 RCA Communications Systems...
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Page 45: Set Mode
2. While pushing [16], turn power ON to enter Set Mode. 2. Push any key to stop the beep. 3. After the display appears, release [16]. - “SCAN” appears at the Channel Comment Indicator. Scrolls Copyright © 2015 RCA Communications Systems... - Page 46 (OFF) BEEP Beep tone of (OFF) / on (ON) on (ON) Auto AUTO ACK of (OFF) / on (ON) of (OFF) acknowledgement FAVORITE CH Favorite channel of (OFF) / on (ON) on (ON) Copyright © 2015 RCA Communications Systems...
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Page 47: Set Mode Items
5 seconds and resumes even if a watch. signal has been received on any other channel ■ DSC watch than Channel 16. DSC watch monitors Channel 70 while you are receiving another channel. If a distress signal Copyright © 2015 RCA Communications Systems... - Page 48 ■ Automatic acknowledgement channel group in sequence when pushed. This item sets the Automatic Acknowledgement - “FAVORITE CH” scrolls in the Channel function ON or OFF. Comment Indicator. Copyright © 2015 RCA Communications Systems...
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Page 49: Channel List
MRM400 VHF Marine Two-Way Radio Instruction Manual CHANNEL LIST Frequency(MHz) Channel number Channel number Frequency(MHz) Channel number Frequency(MHz) Channel number Frequency(MHz) Transmit Receive Receive Transmit Receive Transmit Transmit Receive Frequency(MHz) Weather Channel Transmit Receive Copyright © 2015 RCA Communications Systems... -
Page 50: Specifications
-4°F (-20°C) ~ 140°F (+60°C) temperature range ≤5.5A (H) Current drain Antenna ≤1.5A (L) 50Ω impedance Input resistance 2kΩ Dimensions 6” (153mm) x 6” (152mm) (W×D×H) x 2.6” (67mm) Weight (main unit) 1.6 lbs (742g) w/microphone Copyright © 2015 RCA Communications Systems... - Page 51 Receiver Sensitivity ≤0.2uV Squelch sensitivity ≤0.2uV Adjacent channel selectivity ≥70dB Spurious response rejection ratio ≥70dB Intermodulation rejection ratio ≥70dB Max. current ≤1.5A Audio output power ≥4.5W (10%) GPS signal version NMEA0183-2.0 Output impedance 4Ω Copyright © 2015 RCA Communications Systems...
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Page 52: Troubleshooting
2. Different external with GPS. 2. External GPS format should GPS format. be NMEA0183-2.0. No set mark Set the channel you want to Can not scan. 23-26 channels (TAG). scan to mark channels. Copyright © 2015 RCA Communications Systems... - Page 53 1. Rotate [SQL] knob to adjust the squelch level. No sound from 2. Volume level too low. 2. Rotate [VOL] knob to adjust the volume. the speaker. 3. Speaker has been 3. Remove water with WaterClean function. exposed to water. Copyright © 2015 RCA Communications Systems...
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Page 54: Warranty Statement
VHF Marine Two-Way Radio Instruction Manual WARRANTY STATEMENT RCA Communications Systems warrants each new radio product it supplies to be free from defects in material and workmanship under normal use and service for the time period listed below, provided that the user has complied with the requirements stated herein. - Page 55 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, INDIRECT OR CONSEQUENTIAL DAMAGES, OR THE LOSS OF PROFIT, REVENUE OR DATA ARISING OUT OF THE USE OR THE INABILITY TO USE THE PRODUCT.
- Page 56 MRM400 VHF Marine Two-Way Radio Instruction Manual RCA Communications Systems endeavors to make this manual accurate and complete, but is not liable for any possible omission and printing mistakes. All specifications and designs are subject to change without prior notice.
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Page 57: Rf Exposure
MRM400 VHF Marine Two-Way Radio Instruction Manual NOTES: ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ Copyright © 2015 RCA Communications Systems... - Page 58 ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ ___________________________________________________________________________________ For Sales, Warranty and Customer Support please contact: Discount Two-Way Radio Corporation – North American Distributor 1430 240th Street Harbor City, CA 90710 Phone: 310-224-5100 / Fax: 310-224-5101 www.discounttwo-wayradio.com Copyright © 2015 RCA Communications Systems...