Raymarine Ray 53 User Manual
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Raymarine Ray 53 User Manual

Raymarine Ray 53 User Manual

Raymarine ray 53: user guide
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See also: Install and Operation Instructions
Distributed by
Any reference to Raytheon or
RTN in this manual should be
interpreted as Raymarine.
The names Raytheon and RTN
are owned by the
Raytheon Company.

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  • Page 1 Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the Raytheon Company.
  • Page 2 1. OPERATION 1.1 INTRODUCTION Your RAY53 has the capability to transmit and receive on all available US,International and Canada Marine VHF radiotelephone channels. There are channels that are FCC approved but may only be used by authorized stations for specific purposes, depending on the type of vessel (commercial or noncommercial.) Refer to Table 1-1 .
  • Page 3 1.2.1 Controls 1) Channel Selection (Knob) -. Turning to the right can increase the channel number and it can be decreased by turning to the left. -. When the Channel Selection Knob is rotated to the right at “88CH”, the channel number becomes “01CH”.
  • Page 4 To start the scan mode, press and release while radio is not scanning.) -. If one or more channels are stored in memory, the radio will begin Memory Scan. If no channels are stored in memory,the radio will begin All Scan.
  • Page 5 -. To begin All Scan while memory are being stored in,All Scan can be begun by pressing once more during flashing on the LCD. -. When SCAN/MEM key is continuing to be pressed for more than three seconds, Alarm 1 is heard and Memory of the current channel can be stored/canceled.(When the current channel is stored,the current channel will be canceled.
  • Page 6 8) PTT Key(Microphone) -. When pressed,puts the radio into the transmit mode If the current channel is Weather CH or the channel prohibitted from TX, Alerm 2 is heard and PTT key cannot be used. If the PTT key is pressed continuously for over five minutes,transmission is forcibly inhibited and Alarm 2 is heard until the PTT key is released.
  • Page 7 1.2.2 LCD Display The items of LCD display on the Front panel are described as follows 1) DSC display: Will be displayed when DSC mode is entered. 2) WX display : Will be displayed when Weather CH is entered. Will be displayed when Tri monitor mode is entered. 3) INT display : Will be displayed when International channels are programmed for use.
  • Page 8 10) 1 W display: Will be displayed when the transmitter circuits are providing 1 Watt of power to the antenna. When the transmitter is supplying 25 Watt to the antenna, “1 W” will be extinguished. 11)VOL, Bar Graph display: The Vol. bar graph shows the level of volume of the audio output to the speaker.
  • Page 9 In certain US harbors and on certain channels, the FCC requires the power to be limited to 1 Watt. On these “required “ channels,the radio automatically selects 1 Watt power output when the channel is selected.
  • Page 10 When WX/INT key is pressed and held for over 2 seconds, one frequency mode can be changed to the other frequency mode and Alerm 1 is heard.: For example: When USA mode is in use,it can be changed to CANADIAN mode by doing above operation.
  • Page 11 1 is heard and ”SCAN” will begin to flash on the LCD for three seconds. If no other keys are pressed in these three seconds,the radio will begin scanning all channels(except weather channels) as long as no signal is received. If a signal is...
  • Page 12 All-Scan, If a signal is received,the scan will stop on the receiving channel until the signal is lost for five seconds, the radio will resume scanning. While the radio is scanning Memory Scan, “SCAN” and “MEM” are displayed on the LCD. To cancel memory scan,press the SCAN/MEM key while the radio is scanning.
  • Page 13 7 seconds.( Even if there is no carrier for these 7 seconds, the monitor will stop for 7 seconds.) After 7 seconds is passed,the radio will monitor Priority CH. -. If the carrier of Private CH is detected , the Priority CH number is displayed at the Channel Display(Large) and the Channel Display(Small) will be extinguished and the monitor will stop temporarily.
  • Page 14 Channel Display(Large) and the Channel Display(Small) will be extinguished and the monitor will stop temporarily. 7 seconds has been passed after the carrier is eliminated, the radio will monitor Weather CH. -. If the carrier or the alert of Weather CH is detected, the monitor operation will stop and Weather CH will become in use with “WX”...
  • Page 15 Carrier Detection at Weather CH (Alert is received) NMEA M O N Carrier is detected at Weather CH 1.3.11 The key opeartion during the monitor operation. -. When PTT key is pressed,the monitor will stop and the transmission will be done at the stopped channel.
  • Page 16 NMEA M O N Press PTT key at Working CH Press PTT key at Weather CH -. When SCAN/MEM key , MON/1/25 key or UP/DOWN key is pressed, Alerm 1 is heard and the monitor will stop and then Workimg CH will be in use. NMEA M O N Press PTT key...
  • Page 17 -. When 16/9 key is pressed, Alerm 1 is heard and Scan operation will stop and then Priority CH will be in use. NMEA M O N -. Even if the Channel Selection knob is operated,there is no change. 1.3.12 The operation for Weather Alert detection(Alert Tone : 1050 Hz) Alert detection checks the output power from Alert detection IC as following timing.
  • Page 18 DSC can be used to replace the normal routine of verbally contacting another vessel on CH16,then proceeding to a working channel for further communications. Your radio must be set to CH70 to transmit or receive DSC calls. The three DSC call modes are described in the following section.
  • Page 19 Own Ship’s ID Entry(Own Ship’s MMSI Entry) To operate the RAY53 in the DSC mode,Own Ship’s ID must be registered in advance. The registration procedure is as follows. 1. * If the former ID has been entered, Own Ship’s ID cannot be entered and Alarm 2 is heard.
  • Page 20 -. If the number is entered correctly, the entered number becomes Own Ship’s MMSI by pressing DSC key for 2 seconds and the audible beep sound 1 is heard,then the DSC mode is exited and returned to Working CH. 4. Entry of number is done by Channel Selection knob. The number cannot be input by UP/DOWN key on the Microphone.
  • Page 21 Channel Display(Large) is representative of the MMSI number itself and Channel Display(Small) is representative of the position in the 9 digit. -. When the Channel Selection knob is rotated, Channel Display(Large) shows the MMSI number is increased/decreased as “0” base.( 0 to 9 can be selected) -.
  • Page 22 6’ If the operator would like to resistor Other ship’s MMSI No.only without attempt of transmission, the last used(before registration of MMSI) CH will be displayed by pressing 16/9 key at this stage. 7. -. Working Channel can be selected by rotating Channel Selection knob. -.
  • Page 23 1) To turn the unit on with pressing and holding SCAN/MEM key simultaneously. Alarm 1 is heard and “CL” is displayed at Channel Display(Large). 2) To turn the radio on with pressing and holding SCAN/MEM key and 16/9 key Simultaneously. Alarm 1 is heard and “CL” is displayed at Channel Display(Large).
  • Page 24 5’ Press and release WX/INT key if you do not have to check the MMSI number again , 6’ the LCD displays “DSC”, “ --- ---“,(Large Channel Display) and “w”(Small Channel Display) which means the unit is ready and waiting for input of Calling CH . 8.
  • Page 25 ---- Channel Display(Large) displays 70CH. ---- “In” is flashing at Channel Display(Small) which means the unit is ready to receive Individual Ship’s Call. ---- “TX” is flashing, which means the unit is ready to receive Individual Ship’s Call. 4. To transmit the response by pressing PTT key. After transmission,the unit will switch to instructed Channel number and DSC mode will be exited.
  • Page 26 When “Individual Ship’s Call” is selected, Channel Display(Small) displays “In”. When “All Ship’s Call” is selected, Channel Display(Small) displays “AS”. 5. After selection of All Ship’s Call”,when SCAN/MEM key(“DSC” key) is pressed, the audible beep sound 1 is heard and the unit is ready to transmit “All Ship’s Call” ---- “TX”...
  • Page 27 ---- “As” is flashing at Channel Display(Small) which means the unit is ready to receive All Ship’s Call. 2. After the unit received “All Ship’s Call”, when SCAN/MEM key(“DSC” key) is pressed, the audible beep sound 1 is heard and the unit will switch to the 16CH of Working CH and then “DSC”...
  • Page 28 ---- Distress signal can be automatically transmitted.( “TX” is displayed on the LCD during transmitting.) 4. After transmitting Distress signal,the unit will wait for an acknowledgement from the other ship. ---- Channel Display(Large) displays 70CH. ---- Channel Display(Small) displays “16” which means the channel after receipt of an acknowledgement will be 16CH.
  • Page 29 8) DSC WATCH Mode/ON OFF operation 1. DSC WATCH operation is defined that the radio is searching for CH70(DSC Channel) in Receiving Working Channel , Scan Operation mode, and Monitor Operation mode. 2. DSC Watch operation can be selected with ON/OFF by panel operation. DSC WATCH should be OFF when the unit is ex-factoried.
  • Page 30 To rotate Channel Selection Knob to the left, the unit will be displayed back to the Above 4). The display will be done as 6) 7) By pressing SCAN/MEM key, DSC Watch mode can be selected either ON or OFF. 8) To press SCAN/MEM key and WX/INT key simultanously, the unit return to the last Used display before the above 1) display.
  • Page 31 SPECIFICATIONS Transmitter Channels All available US,International and Canada VHF Marine band Frequency Stability +/- 10PPM(+/- 0.001%) (-20 C to +50 C) Frequency Range 156.025 to 157.425MHz Channel Spacing 25 kHz Increments Power Output 25 Watts switchable to 1 Watt into 50 Ohms at 13.6 VDC Modulation Frequency modulated 16F3 (+/-4.5kHz at 1000Hz)
  • Page 32 Receiver Channels All available US,International,Canada VHF Marine Band Frequency Range 156.025 to 163.275 MHz in 25 kHz increments Frequency Stability +/- 10 PPM(+/- 0.001%) from -20 C to +50 C Usable Sensitivity 0.3 V for 12dB(SINAD) Squelch Sensitivity 0.2 V or better Threshold 1.0 full squelch Adjacent CH Rejection...
  • Page 33 Duty Cycle Continuous, 80% receive, 20% transmit (max 10 min, @25 Humidity 100% at 50 C for 8 hours Radio Dimensions Height 55 mm(2.17 inches) Width 145mm(5.7 inches) Depth 160mm(6.3 inches) Weight Approx. 868g...
  • Page 34 Block Diagram of the TX/RX/PLL circuits. 10.3 1. PLL(Phase Lock Loop) Circuit PLL circuit of this radio is PLL IC(IC2) and is composed of VCO circuit which is for Transmitter and for Receiver independently. PLL IC(IC2) generates the setting frequency based on the control data of CPU(IC201).
  • Page 35 make 25KHz-reference frequency. Transmit frequency is generated on the Inductor and Capacitor circuit with connected to IC2 pin 4,5. The frequency control voltage, which is output from IC2 pin 7, will be input into Variable Capacitance Diode(D6) on Inductor and Capacitor circuit. The receiver local frequency is generated on the Inductor and Capacitance circuit with connected to IC2 pin 20, 21.
  • Page 36 3.4.3 APC Circuit Diode D4 is monitoring a part of the power module’s(IC5) output. The monitoring signal will be output to IC5 via switching transistor Q8 and display the “TX ON” and the LCD. The output voltage from IC5 controls the RF power to keep the RF output at a constant level.
  • Page 37 3.5.4 Intermediate Frequency Circuit The 1 IF signal is added to IC3 and converted to 2 through F2 and amplified in the IC3 and then through discriminator CD1 and the demodulated AF signal is output from IC3. 3.5.5 Low Frequency Circuit The AF signal demodulated in the IC3 goes through the de-emphasis circuit consisting of operational amplifier IC4(A) and R127 and C45.
  • Page 38 4.1 PLL Adjustment(Receiver) 1.1 Connect the power supply(13.6V, 10) to the power line. 1.2 Set the radio on CH16(156.800MHz) and set it to Receiver mode. 1.3 Connect the reed terminal of a digital voltmeter or high impedance tester to Test point(TP2) on RF PCB and set it to DC voltage range.
  • Page 39 Connect the power supply (13.6V 10A) to the power line.and connect Power Meter(40W, 50 ohm, 150-200MHz) to antenna connector. 4.5.2 Set the radio on CH 16(156.800MHz) and to be transmitter mode at Low power mode. 4.5.3 Adjust the output power to 1.0W+/-0.1W by Variable Resistor (VR2) on the RF PCB.
  • Page 40 However,for power cable runs longer than 15 feet,larger wire diameter size should be used to prevent voltage line loss. Your RAY53 radio should be connected to the nearest primary source of ship’s DC power. A typical source may be a circuit breaker on the power panel or a fuse block near the unit.
  • Page 41 Antenna Mouting Suggestions The best radio in the world is useless without a good antenna location. Mounting the VHF antenna properly is very important because it will directly affect the performance of your VHF radio. A standard VHF antenna which is designed to use aboard boats should be used.
  • Page 42 -. Use an antenna with highest possible gain characteristics. -. If you must extend the length of the coaxial cable between the antenna and the Radio, use a coaxial cable designed for the least amount of power loss over the entire cable length.
  • Page 43 USA Frequency DATA TX Frequency Frequency 156.050 156.150 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.700 156.800 156.850 156.900 156.950 157.000 157.050 157.100 157.150 157.200 157.250 157.300 157.350 157.400 156.075 156.175 156.225 156.275 156.325 156.375 156.425 156.475 156.525 156.575 156.050 156.150...
  • Page 44 156.625 INT Frequency DATA TX Frequency RX Frequency 156.050 156.100 156.150 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.700 156.800 156.850 156.900 156.950 157.000 157.050 157.100 157.150 157.200 157.250 157.300 157.350 157.400 156.025 156.075 156.125 156.175 156.225 156.275 156.325 156.375...
  • Page 45 156.525 156.575 156.625 CAN Frequency DATA TX Frequency Frequency 156.050 156.100 156.150 156.200 156.250 156.300 156.350 156.400 156.450 156.500 156.550 156.600 156.650 156.700 156.800 156.850 156.900 156.950 157.000 157.050 157.100 157.150 157.200 157.250 157.300 157.350 157.400 156.025 156.075 156.125 156.175 156.225 156.275 156.325...
  • Page 46 156.375 156.425 156.475 156.525 156.575 156.625 NOTE: 1. Transmitter is automatically disable on channel 15,75 and 76 in all modes. 2. 1 Watt initially. User can override to 25Watts via front panel controls. 3. 1 Watt Only 4. Channel 70 is now used for Digital Selective Calling only. 156.375 156.425 156.475...

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