jotron TR-7750C Operator's Manual
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jotron TR-7750C Operator's Manual

Vhf maritime communication radios
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  • Page 2 EN301843-1 and EN301843-2 FCC part 80 Health and Safety: EN60950 Radio specifications: EN301929-1 and EN301929-2 For an updated list of approvals and statements of conformity, these are available on: www.jotron.com Jotron AS| TR7750C: Operators Manual  Introduction Page ii P/N: 84748 (G)
  • Page 3 Simple Network Management Protocol, a network protocol used to control the radio equipment. This equipment is defined as an AGENT in a SNMP system. VSWR Voltage Standing Wave Ratio Jotron AS| TR7750C: Operators Manual  Introduction Page iii P/N: 84748 (G)
  • Page 4 The information in this book has been carefully checked and is believed to be accurate. However, no responsibility is assumed for inaccuracies. Jotron AS reserves the right to make changes without further notice to any products or modules described herein to improve reliability, function or design. Jotron AS does not assume any liability arising out of the application or use of the described product.
  • Page 5 On no account must these transistors be destroyed or discarded with industrial or domestic waste, but should be returned to the manufacturers for subsequent disposal. Jotron AS| TR7750C: Operators Manual  Introduction Page v P/N: 84748 (G)
  • Page 6 --Connect the equipment into an outlet on a circuit different from that to which the transceiver is connected. --Consult the dealer or an experienced radio/TV technician for help. Jotron AS| TR7750C: Operators Manual  Introduction Page vi P/N: 84748 (G)

  • Page 8: Table Of Contents

    Antenna connector (50 ohm N) ..................3-4 3.2.2 Receiver ant. Connector (50 ohm BNC) ................. 3-4 3.2.3 DC input connector (Amphenol MS 3106A 10SL4S)(Jotron P/N: 96715) ..... 3-4 3.2.4 LAN connector (RJ45) ....................3-5 3.2.5 AUX1 CONNECTOR (RJ45) ..................3-5 3.2.6...
  • Page 9 ERROR CONDITIONS AND CORRECTIVE ACTIONS ............. 6-1 ..................6-1 RANSMITTER ERROR CONDITIONS ....................6-5 ECEIVER ERROR CONDITIONS LIST OF TABLES AND FIGURES ..................7-1 APPENDIX A. LIST OF MARITIME CHANNELS AND FREQUENCIES ......7-1 Jotron AS| TR7750C: Operators Manual  Introduction Page ix P/N: 84748 (G)

  • Page 10: Introduction

    Throughout this manual the term transmitter unit, TX, TA-7650C refers to the transmitter unit. The term transceiver, TR, TR-7750C refers to any variant of the transceiver unless specifically noted in the text and the term receiver, RX and RA-7203C is used for the receiver unit.

  • Page 11: Applications

     In addition the transmitter/receiver has a large range of options for remote control using Ethernet, serial lines or front panel controls. Jotron AS| TR7750C: Operators Manual  Introduction Page 1-2 P/N: 84748 (G)

  • Page 12: Technical Specifications

    VSWR 1 : Infinity Duty cycle 100% continuous operation @ambient below 40°C Power consumption <280VA 142mm(28TE)(W) * 230mm(D) * 128mm (H), Weight 3.0 kg Dimension Transmitter nit Jotron AS| TR7750C: Operators Manual  Technical SPECIFICATIONS Page 2-1 P/N: 84748 (G)

  • Page 13: Receiver Unit, Ra-7203C

    +28 VDC regulated DC throughput When AC not present Max load 10A average, 18A peak (300W) 71mm (14TE)(W) * 303mm(D) * 128mm (H) Dimension PSU unit Weight 1.3Kg Jotron AS| TR7750C: Operators Manual  Technical SPECIFICATIONS Page 2-2 P/N: 84748 (G)

  • Page 14: Functional Description

    This button is used to immediately key the transmitter for test/measurement purposes, connected together with the PTT line available on the microphone connector. 3.1.4 ON/OFF button Press and hold button (for app. 2s) to switch unit ON or OFF. Jotron AS| TR7750C: Operators Manual  Functional description Page 3-1 P/N: 84748 (G)

  • Page 15: Led Indicators

    The Headset output (referenced to GND) contains the local sidetone generated from the demodulated signal on the output of the transmitter when the transmitter is keyed, or the Jotron AS| TR7750C: Operators Manual  Functional description Page 3-2 P/N: 84748 (G)
  • Page 16 The hardware key consists of a RJ45 connector where pin no. 4 and 5 (RS232 RX and TX) is connected together. Jotron AS| TR7750C: Operators Manual  Functional description Page 3-3 P/N: 84748 (G)

  • Page 17: Transmitter, Rear Connections

    (RA7203). 3.2.3 DC input connector (Amphenol MS 3106A 10SL4S)(Jotron P/N: 96715) Figure 3.2-2, Transmitter DC input connector, rear view Connector for DC supply (21.6 - 31.2 VDC).

  • Page 18: Lan Connector (Rj45)

    RS232 Transmit data RS232_R RS232 Receive data Select_in_N Select in, optocoupler input +12V +12VDC output to external equipment (max 300mA) Common ground Table 3.2-2, AUX1 connector, transmitter, pin out Jotron AS| TR7750C: Operators Manual  Functional description Page 3-5 P/N: 84748 (G)

  • Page 19: Aux2 Connector (Rj45)

    RX Busy indicator output (squelch indicator) LINE_N Diff. line input/output to TA/RA, 600 ohm ALARM Low=Alarm (TA or TA/RA) Common ground Table 3.2-4, REM connector, transmitter, pin out Jotron AS| TR7750C: Operators Manual  Functional description Page 3-6 P/N: 84748 (G)

  • Page 20: Rx Connector (Rj45)

    Diff. line input from Receiver unit, 600 ohm INT_ALARM Low=Alarm (Note: I/O – low input will also be recognized as an alarm (EXT)) Common ground Table 3.2-5, Rx connector, transmitter, pin out Jotron AS| TR7750C: Operators Manual  Functional description Page 3-7 P/N: 84748 (G)

  • Page 21: Front Panel Controls, Receiver Unit

    To switch the unit ON or OFF: Press and hold button for approx 2s 3.3.4 LED Indicators SQ (yellow): The receiver squelch is open (receiving audio) when lit. Jotron AS| TR7750C: Operators Manual  Functional description Page 3-8 P/N: 84748 (G)

  • Page 22: Headset Connector

    The hardware key consists of a RJ45 connector where pin no. 4 and 5 (RS232 RX and TX) is connected together. Jotron AS| TR7750C: Operators Manual  Functional description Page 3-9 P/N: 84748 (G)

  • Page 23: Receiver, Rear Connections

    Connect directly to a receiver antenna, or to the receiver antenna connector (BNC) on the transmitter unit. 3.4.2 DC input connector (Amphenol MS 3106A 10SL4S)(Jotron P/N: 96715) Figure 3.4-2, Receiver DC input connector, rear view Connector for DC supply (21.6 - 31.2 VDC).

  • Page 24: Lan Connector (Rj45)

    RS232 Transmit data RS232_R RS232 Receive data Select_in_N Select in, optocoupler input +12V +12VDC output to external equipment (max 100mA) Common ground Table 3.4-2, AUX1 connector, receiver, pin out Jotron AS| TR7750C: Operators Manual  Functional description Page 3-11 P/N: 84748 (G)

  • Page 25: Aux2 Connector (Rj45)

    Line output from Receiver unit, 600 ohm INT_ALARM Low=Alarm (Note: I/O – low input will also be recognized as an alarm (EXT)) Common ground Table 3.4-4, REM connector, receiver, pin out Jotron AS| TR7750C: Operators Manual  Functional description Page 3-12 P/N: 84748 (G)

  • Page 26: Psu-7002, Power Supply Unit, Frontview

    Indicates that the PSU is ON and delivers DC on its output. The DC is either derived from the main AC input (shown by the AC indicator), or from the backup DC input (AC indicator dark). Jotron AS| TR7750C: Operators Manual  Functional description Page 3-13 P/N: 84748 (G)

  • Page 27: Power Supply Unit Rear Connectors

    3.6 Power Supply Unit rear connectors. Figure 3.6-1, Power supply unit - rear view 3.6.1 DC input connector (Amphenol MS 3106A 10SL4S)(Jotron P/N: 96715) The DC input is connected to the DC backup supply (if available). Input range is 21.6 - 31.2 VDC and current consumption is max 9A average when the transmitter operates with full power output (50W).

  • Page 28: Ac Input Connector

    Input for external AC. AC is input between A and C, B is chassis ground. The voltage range is from 85 to 250 VAC Figure 3.6-4, AC input connector, PSU Jotron AS| TR7750C: Operators Manual  Functional description Page 3-15 P/N: 84748 (G)

  • Page 29: Installation

    AC power cord 92375 On receipt of the radio units, remove all transit packaging and check that there is no damage to the equipment. If damage is evident, contact Jotron immediately and retain the original transit packaging. Variants may include: - Reduced maximum power level <50 W...

  • Page 30: Installation Into Equipment Cabinet

    (e.g. audio lines). For interconnections between the transmitter and receiver, and for interconnection to a Jotron AS| TR7750C: Operators Manual  Installation Page 4-2...

  • Page 31: Rem Connector (Receiver) And Rx Connector (Transmitter)

    The RS485 serial lines from both units are connected in parallel. This is useful to have only one connection point for the RS485 on the transceiver for remote control. Jotron AS| TR7750C: Operators Manual  Installation Page 4-3 P/N: 84748 (G)
  • Page 32 Jotron AS| TR7750C: Operators Manual  Installation Page 4-4 P/N: 84748 (G)
  • Page 33 Tx busy signal on the transmitters RX connector is routed to the TX busy input on the receiver REM connector. (p.4) Table 4.6-2, Settings associated with the transmitter - receiver interconnection Jotron AS| TR7750C: Operators Manual  Installation Page 4-5 P/N: 84748 (G)

  • Page 34: Audio In/Out And Line Loop Keying

    Monitor level -50 dB Set the relative output level of the monitor (TX) signal. 10dB = max output, -80dB=minimum Table 4.6-3, Settings associated with MONITOR OUTPUT (TA – AUX1) Jotron AS| TR7750C: Operators Manual  Installation Page 4-6 P/N: 84748 (G)
  • Page 35 Signals are located on Pin 4 and 8 (gnd) on the REM/TR connector.  Inband: The transmitter is keyed using an inband tone (see also inband frequency and inband sensitivity) Jotron AS| TR7750C: Operators Manual  Installation Page 4-7 P/N: 84748 (G)
  • Page 36 -40 to +10 dBm -10 dBm Set the maximum output level on the 600 (RX) 1 dB steps ohm line output. Table 4.6-5, Settings associated with LINE_OUTPUT (RX-REM) Jotron AS| TR7750C: Operators Manual  Installation Page 4-8 P/N: 84748 (G)

  • Page 37: Other Key Signals

    (see figure). Jotron AS| TR7750C: Operators Manual  Installation Page 4-9 P/N: 84748 (G)
  • Page 38 8 (gnd) on the REM/TR connector.  Inband: The transmitter is keyed using an inband tone (see also inband frequency and inband sensitivity) Table 4.6-6, Key Source settings Jotron AS| TR7750C: Operators Manual  Installation Page 4-10 P/N: 84748 (G)

  • Page 39: Squelch And Agc Signals, Receiver Unit

    This is an analogue output 0-5V. The output voltage is 0V for an input of xxx uV and increases linearly with the input signal up to xxx uV where the voltage reach +5V. Jotron AS| TR7750C: Operators Manual  Installation Page 4-11...

  • Page 40: Alarm And Select Signals Transmitter And Receiver

    The pinout and signals are equal on the transmitter and the receiver unit, except the ALARM (REM, p.7) pin. This pin has a fixed +5V pull-up on the receiver, while the pull-up is configurable on the transmitter. Jotron AS| TR7750C: Operators Manual  Installation Page 4-12 P/N: 84748 (G)
  • Page 41 This setting determines if the radio should be operational on a low select input signal or a high select input signal. Table 4.6-8, Alarm and Select settings, transmitter and receiver Jotron AS| TR7750C: Operators Manual  Installation Page 4-13 P/N: 84748 (G)

  • Page 42: Miscellaneous Signals, Transmitter

    This input is used to immediately switch the transmitter into low power. The input requires an external pull-up to work. The low power level can be adjusted with a software setting. Menu path: Parameter Range Default Details Radio control ► Jotron AS| TR7750C: Operators Manual  Installation Page 4-14 P/N: 84748 (G)

  • Page 43: Applications

    The headphone signal can also be derived from the headset connector on the transmitter. Connection for local operation is shown in Figure 4.7-1 and tab. Figure 4.7-1, Transceiver, Local configuration, interfacing Jotron AS| TR7750C: Operators Manual  Installation Page 4-15 P/N: 84748 (G)
  • Page 44 Jotron AS| TR7750C: Operators Manual  Installation Page 4-16 P/N: 84748 (G)
  • Page 45 Squelch out relay, AGC HILO output, AGC voltage output 3.4.6 (receiver AUX2) AUX2 TA – RS485, Line input, Key, Squelch, Alarm 3.2.7 (transmitter REM) Table 4.7-1, Transceiver, Local configuration Jotron AS| TR7750C: Operators Manual  Installation Page 4-17 P/N: 84748 (G)

  • Page 46: Transceiver, Remote Configuration

    3.2.6 (transmitter AUX2) AUX2 Squelch out relay, AGC HILO output, AGC voltage output 3.4.6 (receiver AUX2) AUX2 TA – RS485, Line input, Key, Squelch, Alarm 3.2.7 (transmitter REM) Jotron AS| TR7750C: Operators Manual  Installation Page 4-18 P/N: 84748 (G)
  • Page 47 Connect a coax cable (RG58 or better) between the TA – Receiver 3.2.2 and 3.4.1 antenna connector (BNC) and the antenna input on the receiver. Alternatively, use separate antennas for the TA and RA. Jotron AS| TR7750C: Operators Manual  Installation Page 4-19 P/N: 84748 (G)

  • Page 48: Transmitter, Main / Backup Configuration

    The alarm signal will also signal to a backup unit to take over the transmit function. Jotron AS| TR7750C: Operators Manual  Installation Page 4-20...
  • Page 49 The antenna change over unit can be controlled by the alarm signal on the main unit Table 4.7-4, Main/backup configuration, transmitters Jotron AS| TR7750C: Operators Manual  Installation Page 4-21 P/N: 84748 (G)

  • Page 50: Receiver, Main / Backup Configuration

    The antenna change over unit can be controlled by the alarm signal on the main unit. The antenna connection can also be done via a pair of main/backup transmitters. Table 4.7-5, Main/backup configuration, receivers Jotron AS| TR7750C: Operators Manual  Installation Page 4-22 P/N: 84748 (G)

  • Page 51: Operating Instructions

     Scroll/Select switch  Navigation button A (left button)  Navigation button B (middle button) =  Navigation button C (right button) =  Clockwise  Counter Clockwise Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-1 P/N: 84748 (G)

  • Page 52: User Menu - Transmitter (Restricted Access Level)

    Menus for user level: Restricted For details regarding submenus, refer to chapter 5.4. Table 5.2-1, User menu selections transmitter - restriced access level Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-2 P/N: 84748 (G)

  • Page 53: User Menu - Transmitter (Default Access Level)

    For details regarding submenus, refer to chapter 5.4. Menus for user level: SysOp For details regarding submenus, refer to chapter 5.4. Table 5.3-1, User menu selections transmitter- Operator, Technician and SysOp access levels Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-3 P/N: 84748 (G)

  • Page 54: Setting, Information And Configuration Menus - Transmitter

    System info Displays information about the firmware and hardware ► release, system up-time and radio identification Table 5.4-1, Submenus available on the transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-4 P/N: 84748 (G)

  • Page 55: Radio Control Group

    SysOp and Technician access levels. Refer to section 5.5.1 for details. Figure 5.4-1, Radio control group, transmitter 5.4.2 TX config group SysOp access level. Refer to section 5.5.2 for details. Figure 5.4-2, TX config group, transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-5 P/N: 84748 (G)

  • Page 56: Interface Config Group

    Set parameters for language for local ethernet (IP) control. Availability communication. IP varies with model address, ports to use, Gateway, etc. Figure 5.4-3, Interface config group, transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-6 P/N: 84748 (G)

  • Page 57: Bite System Group

    Figure 5.4-4, Bite system group, transmitter 5.4.5 System info group All access levels. MENU System info ID, FW and HW release info. Radio uptime. Figure 5.4-5, System info group, transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-7 P/N: 84748 (G)

  • Page 58: Parameter Details - Transmitter

    1 dB steps Max. level depends on radio model and is:  47 dBm for TA7650C Modulation Up to ±5kHz ±5kHz Set the deviation for FM operation. deviation Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-8 P/N: 84748 (G)
  • Page 59 Defines the scaling factor of the Rx Audio on the headset output when the transmitter is connected to a receiver. The level is a relative value -10 to +20 dB Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-9 P/N: 84748 (G)
  • Page 60 In order to delay the RF carrier this parameter should be used under such circumstances. A reasonable setting should be in the order of 40-50 ms. Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-10 P/N: 84748 (G)

  • Page 61: Interface Config Group

    1200 – 115200 RS485 Bitrate 1200 Set the bit rate to use on the RS485 port Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-11 P/N: 84748 (G)
  • Page 62 1,2,3,4,5 or 6. In a 19” frame width 3 transmitters, the transmitters will have the column set to 1,3 or 5. Table 5.5-3, Interface config group, transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-12 P/N: 84748 (G)
  • Page 63 Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-13 P/N: 84748 (G)

  • Page 64: Bite System Group

    2.9 – 3.6 V Measurements 3.3 Volt Displays the regulated 3.3V supply from the power regulator board. The 3.3V is used on several modules Table 5.5-4, Bite system group, transmitter Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-14 P/N: 84748 (G)

  • Page 65: User Menu - Receiver (Restricted Access Level)

    / active the squelch. Menus for user level: Restricted For details regarding submenus, refer to chapter 5.4. Table 5.6-1, User menu selections receiver - restriced access level Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-15 P/N: 84748 (G)

  • Page 66: User Menu - Receiver (Default Access Level)

    Press to disable / activate the squelch. Menus for user level: Operator For details regarding submenus, refer to chapter 5.4. Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-16 P/N: 84748 (G)

  • Page 67: Setting, Information And Configuration Menus - Receiver

    Displays information about the firmware and hardware System info ► release, system up-time and radio identification Table 5.8-1, Submenus available on the receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-17 P/N: 84748 (G)

  • Page 68: Radio Control Group

    SysOp and Technician access levels. Refer to section 5.9.1 for details. Figure 5.8-1, Radio control group, receiver 5.8.2 RX config group SysOp access level. Refer to section 5.9.2 for details. Figure 5.8-2, RX config group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-18 P/N: 84748 (G)

  • Page 69: Interface Config Group

    Set parameters for language for local ethernet (IP) control. Availability communication. IP varies with model address, ports to use, Gateway, etc. Figure 5.8-3, Interface config group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-19 P/N: 84748 (G)

  • Page 70: Bite System Group

    Figure 5.8-4, Bite system group, receiver 5.8.5 System info group Available for all access levels MENU System info ID, FW and HW release info. System uptime. Figure 5.8-5, System info group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-20 P/N: 84748 (G)

  • Page 71: Parameter Details - Receiver

    This setting force the radio into standby state (forced standby) if set to On. Used to manually set a radio to standby. Table 5.9-1, Radio control group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-21 P/N: 84748 (G)

  • Page 72: Rx Config Group

    Requires that closed is included in the Inband config setting. The receiver will automatically insert a tone at the given frequency. Applicable to the line interface output only. Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-22 P/N: 84748 (G)

  • Page 73: Interface Config Group

    This parameter applies a pullup voltage to ALARM_OUT_P when there are no alarms present. When an alarm is detected the relay contact close. Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-23 P/N: 84748 (G)
  • Page 74 Used to identify the location of the radio from a remote application. Defines the row number in the rack. The row number is counted from the top to the bottom of the rack. Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-24 P/N: 84748 (G)
  • Page 75 1,2,3,4,5 or 6. In a 19” frame width 3 transmitters, the transmitters will have the column set to 1,3 or 5. Table 5.9-3, Interface config group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-25 P/N: 84748 (G)

  • Page 76: Bite System Group

    Displays the channel occupancy (CO) when in VDL 2 mode. The value is calculated every second, or by the interval set in VDL2- CO Trap interval. Table 5.9-4, Bite system group, receiver Jotron AS| TR7750C: Operators Manual  Operating Instructions Page 5-26 P/N: 84748 (G)

  • Page 77: Error Conditions And Corrective Actions

    The displays shows module(s) where the BITE system has detected failures. To view more details about the failure, select module. Table 6.1-1, Alarm indication, transmitter navigation Jotron AS| TR7750C: Operators Manual  Page 6-1 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 78 Probable cause: Probable cause: Defective fan(s) Defective Defective output component on transistor power regulator board Figure 6.1-1, Transmitter PA module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-2 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 79 / VCO / TCXO / VCO / TCXO Figure 6.1-2, Transmitter Modulator module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-3 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 80 Failure on the front panel or connectors betw. front panel and main board Figure 6.1-3, Transmitter Main module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-4 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)

  • Page 81: Receiver Error Conditions

    The displays shows module(s) where the BITE system has detected failures. To view more details about the failure, select module. Table 6.2-1, Alarm indication, receiver navigation Jotron AS| TR7750C: Operators Manual  Page 6-5 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 82 Figure 6.2-1, Receiver Power module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-6 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 83 RF input or / VCO / TCXO / VCO / TCXO transient caused by lightning. Figure 6.2-2, Receiver RF module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-7 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)
  • Page 84 Failure on the front panel or connectors betw. front panel and main board Figure 6.2-3, Receiver Main module, errors and corrective actions Jotron AS| TR7750C: Operators Manual  Page 6-8 ERROR CONDITIONS AND CORRECTIVE ACTIONS P/N: 84748 (pre_F)

  • Page 85: List Of Tables And Figures

    REAR VIEW 3.3-1, F , RA-7203C ....................3-8 IGURE RONT VIEW RECEIVER UNIT 3.4-1, R , RA-7203C....................3-10 IGURE EAR VIEW RECEIVER UNIT Jotron AS| TR7750C: Operators Manual  Page 7-1 LIST OF TABLES AND FIGURES P/N: 84748 (pre_F)
  • Page 86 ERRORS AND CORRECTIVE ACTIONS 6.2-2, R ................6-7 IGURE ECEIVER MODULE ERRORS AND CORRECTIVE ACTIONS 6.2-3, R ............... 6-8 IGURE ECEIVER AIN MODULE ERRORS AND CORRECTIVE ACTIONS Jotron AS| TR7750C: Operators Manual  Page 7-2 LIST OF TABLES AND FIGURES P/N: 84748 (pre_F)

  • Page 87: Appendix A. List Of Maritime Channels And Frequencies

    156.575 157.300 161.900 156.600 156.600 157.325 161.925 156.625 156.625 157.350 161.950 156.650 156.650 157.375 157.375 156.675 156.675 157.400 162.000 156.700 156.700 157.425 157.425 Jotron AS| TR7750C: Operators Manual  Page 7-1 LIST OF MARITIME CHANNELS AND FREQUENCIES P/N: 84748 (pre_F)

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