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- Page 1 SEA 157S DSC/VHF Radiotelephone Ope rator’s Manual Copyright ©2010-2020 S EA All rights reserved. S EA 7030 220th S t. S .W. Mountlake Terrace, WA 98043 US A (425) 771-2182 FAX: (425) 771-2650 www.seacomcorp.com PN: OPR-157S Rev. 1a Date: 06/2010...
- Page 2 TABLE OF CONTENTS Introduction ................. 1 System Consists Of ..............2 Options and Accessories ............2 Technical Feature and Specifications ..........3 Dimensions ................3 Electrical Specifications ............3 Wiring Diagrams ..............3 Installation ................... 5 Physical Mounting ..............6 Power Supply Wiring ..............
- Page 3 TABLE OF CONTENTS (con't) 9.0 Transmitting ............... 14 10.0 Dual/Triple Watch .............. 15 10.1 Dual Watch ..............15 10.2 Triple Watch ..............15 11.0 Scan / Seek ................15 11.1 Scan ................15 11.2 Scan List - Add / Delete Channels ........16 11.3 Scan List - View ............
- Page 4 TABLE OF CONTENTS (con't) 19.0 Channel Lists ..............28 20.0 Trouble Shooting ..............33 20.1 Unlock Warning ............33 20.2 No Audio ..............33 21.0 Appendix A ................. 34 23.0 Appendix B ................. 35 24.0 Appendix C ................. 37 LIST OF FIGURES 1.1 Dimensions ................
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Page 5: Introduction
Congratulations on your purchase of the SEA 157S DSC/VHF marine radio. Careful attention to design and manufacturing have gone into making your SEA 157S one of the best marine DSC/VHF radios available today. This operator’s handbook is designed to show you how to get the best performance from your radio. -
Page 6: System Consists Of
SYSTEM CONSISTS OF: Part Number: Description: 157SA/R SEA 157S VHF Radiotelephone OPR 157S Operations manual TEM-0157-01 Flush-mount template FAB-0157-10 Self-adhesive-flush-mount gasket FAB-0157-04 Trunnion bracket KIT-0157-99 Hardware Kit: Flush-mount hardware Flush-mount brackets (2) Mounting knobs (2) Splice connector – insulated Screw (2) – 10-32 x 5/16 Washer –... -
Page 7: Technical Feature And Specifications
TECHNICAL FEATURES AND SPECIFICATIONS Dimensions: 3.6” H x 9.6” W x 2.8” D Weight: 3 lbs (1.4 kg) 2 .56 [64 .9 ] 1.63 [4 1 .5] 3.6 0 [9 1 .3 ] 4 .2 5 [10 8 .0 ] 9 .60 [24 3 .8] 1 0.6 6... - Page 8 WIRING DIAGRAM Remote (SEABUSS) Cable Color Code Signal BLACK 13.6V Switched VIOLET Remote PTT GREEN SEABUSS Data (+) BLUE SEABUSS Data (-) YELLOW SEABUSS Audio (+) BROWN SEABUSS Audio (-) WHITE ON-OFF Control SHIELD WIRING DIAGRAM Data Cable Color Code Signal WHITE/BROWN RS232 TxD Line...
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Page 9: Installation
INSTALLATION Flush Mount Figure 1.2 Mounting Bracket Figure 1.3... -
Page 10: Physical Mounting
(+) terminal and the heavy black wire to the negative (-) terminal. Negative ground is required for the USA/Canada version of the SEA 157S. CAUTION: If the polarity of the power wires is reversed (Black to positive, Red to negative), and power is accidentally applied to the radio, the in-line fuse will blow. -
Page 11: Power On/Off
Power On/Off Momentarily press the PWR key to turn on the unit. The radio first performs a diagnostic self-test, displaying any errors, then reverts to the last channel selected. To turn off the unit, hold the PWR key in until the display reads 'POWER DOWN "... -
Page 12: Keypad Functions
Keypad Functions 1/SP Alpha/Numeric Entry – Space Character 2/ABC Alpha/Numeric Entry 3/DEF Alpha/Numeric Entry 4/GHI Alpha/Numeric Entry 5/JKL Alpha/Numeric Entry 6/MNO Alpha/Numeric Entry 7/PRS Alpha/Numeric Entry 8/TUV Alpha/Numeric Entry 9/WXY Alpha/Numeric Entry 0/QZ Alpha/Numeric Entry. ENT/* Opens and Closes Edit fields. General acknowledgement of Prompts that require user action. -
Page 13: Soft Key Function
Soft Key Functions Pressing the FUNC key will bring up the Soft Key Menu, which will be displayed for five seconds. Pressing one of the number keys while the Soft Key Menu is displayed will initiate the secondary function associated with the key, as described below. -
Page 14: Display Layout
Display Layout The Primary Radio Display will appear as shown below: Distress 38* 32.123N 112* 45.041W 12:13:00 The display may contain any of the following elements : Channel list indicator International list indicator Weather channel list indicator Priority channel Transmitting Memorized channel 1W or 25W Power indicator... -
Page 15: Basic Operation
Backlight level. Rotary Control The rotary control of the SEA 157S is used for a number of radio functions, such as adjusting the channel, volume, squelch and backlighting from the Primary Radio display. The rotary control is also used to navigate through menu selection or to move the cursor position during edit operations. -
Page 16: Selecting A Channel
SELECTING A CHANNEL Selecting Channel Lists USA/INT’L/WX Pressing FUNC-6 will toggle the radio between the USA, INT’L and Weather Channel Lists. The radio will go to the last used channel in the selected list. Selecting a Channel Using the Keypad When the radio is in the Primary Radio Display, the numerical keys may be used to select a channel directly. -
Page 17: Volume Adjustment
channel, adding CTCSS tone option (See Paragraph x.x), make the channel the Priority Channel and add/remove the channel from the Scan List. VOLUME ADJUSTMENT The default rotary control mode is volume setting. In the Primary Radio Display, simply turn the rotary control to adjust the volume from 0 to 15. SQUELCH ADJUSTMENT In the Primary Radio Display, pressing FUNC-9 will toggle the squelch on and off, as indicated by the SQL flag in the display. -
Page 18: Dimmer Level
DIMMER LEVEL In the Primary Radio Display, press the ENT key until “Change DIM” is displayed in the upper right corner of the display. Use the rotary control to adjust the display backlight to desired level, from 0 (off) to 15 (brightest). CHANNEL 16/9 Pressing the CH16 key during most states of radio operation will return the radio to CH16. -
Page 19: Dual/Triple Watch
10.0 10.1 Dual Watch The SEA 157S has two watch modes available. Dual watch is initiated by pressing FUNC-1 briefly while on the primary monitoring channel; the Dual Watch channel will then be checked every 1.0 second for activity. If there is activity on Dual Watch channel, the radio will hold on that channel until there is no activity or 5** seconds. -
Page 20: Scan List - Add / Delete Channels
** 5 seconds is factory default. This time may be adjusted in the Radio Controls menu (Paragraph 18.3.2). 11.2 Scan List – Add/Delete Channels Press and hold the ENT key until the “Channel Operations” page is displayed. If the channel is not in the scan list the bottom selection will be “Add to Scan List”, if the current channel is in the scan list then the bottom selection will be “Del from Scan List”. -
Page 21: Transmitting A Distress Call
TRANSMITTING A DISTRESS CALL 14.0 A distress DSC call may be initiated using the following procedure: 1) Press either the local DIST key or the remote DIST key. An alert tone will sound while the key is held. 2) Select from the list of available distress conditions shown in “T YPE:” line.. -
Page 22: Individual Dsc Call
of warning. For all other calls that do not fit one of these predefined categories, the operator may compose a call using the Build Class A operation. Class A formats allow all call types to be generated, including geographic area calls, group calls, non-voice (fax and data) calls, position request and polls. -
Page 23: Group Dsc Call
15.2 GROUP DSC CALL A routine Group Call is used to address a group of stations and propose a working voice channel. This type of call requires no response from the receiving stations. Start by selecting the desired working channel you want to use. Press FUNC-8 to access the DSC Menu. -
Page 24: Receiving A Dsc Call
RECEIVING A DSC CALL 16.0 The SEA 157S constantly monitors CH70 using a dedicated watch receiver. When a DSC call is received, the radio will beep quickly 2 times every 5 seconds. This alert tone will continue for 2 minutes or until the user presses a keypad key or the PTT switch, at which time the alert tone will cease. -
Page 25: Reviewing The Dsc Call Log
selecting “ABLE”, the radio will transmit the Unable to Comply message and remain on current working channel. While on the selected voice channel the display will alternate between “INDIVID” and the name or DSC ID of the caller. The name is displayed if the caller’s DSC ID is in the address book. -
Page 26: Distress Call Log
Line 2 - Received from DSC ID or name Line 3 - UTC Time / Date for when the call was received Line 4 - Position / Time of position fix Line 5 - Nature of distress Line 6 - Relay DSC ID if available Line 7 17.2 DISTRESS CALL LOG The radio retains the last 20 DSC Distress calls in the Distress Log. -
Page 27: Missed Calls
Line 3 - Nature of the Distress Line 4 - Position / Time of Position Fix Line 5 - Current status (Distress, Relay, ACK) Line 6 - The source DSC ID for the Relay or Acknowledgement Line 7 - Time / Date of last DSC call for this event 17.3 MISSED CALLS If a received DSC call is not acknowledged by pressing the PTT switch or a keypad key within 5 minutes, the call is placed in the Missed Call List. -
Page 28: Watch Mode Options
with the cursor pointing to edit field. Use the rotary control to select the item that needs to change and press the ENT key to begin editing. While the option is being adjusted it will blink. Some edits use the rotary control to select from a predefined list of configurations while others use the keyboard to enter the data. -
Page 29: Radio Controls
Auto Able Automatic Reply, Able to Comply. The radio will send an Able to Comply message and will switch to the channel selected by the calling station. Manual Time Manual + Timeout, Unable to Comply. The radio will wait 4.5 minutes for the user to manually send an Able to Comply message;... -
Page 30: Channel Name
18.5 Channel Name When this function is selected the first digit of the channel name will begin to flash. Use the keyboard keys to enter a new character, or the rotary control to move through the channel name. Pressing the 16 # key will abort the editing and return to Channel 16 or Channel 9. -
Page 31: Factory Reset
18.7 Factory Reset The Factory Reset option is used to return all configuration parameters to their factory default condition. A confirmation is required to perform the reset. Selecting NO will abort the action and return to the Configuration Menu. 18.8 Set DSC ID Selecting this menu item will display the radio's current DSC ID. -
Page 32: Channel Lists
CHANNEL LISTS 19.0 US CHANNEL LIST CHAN SIMP NUMB /DUP TRANS CHANNEL DESIGNATION 156.050 156.050 Port Operations, Commercial 156.100 RX Only 156.150 156.200 RX Only 156.250 (VTS), U.S. Only, Port 156.300 Intership Safety 156.350 Commercial 156.400 Commercial, Non- Commercial 156.450 Commercial, Non- Commercial 156.500 Commercial 156.550 (VTS) Commercial... - Page 33 US CHANNEL LIST CHAN SIMP NUMB /DUP TRANS CHANNEL DESIGNATION 157.350 Public Correspondence 157.400 Public Correspondence 156.025 RX Only 61A* 156.075 Public Correspondence 156.125 RX Only 156.175 Port Ops, Commercial 156.225 Public Correspondence 156.275 Port Ops 156.325 U.S. ONLY, Port Ops 156.375 Commercial “Bridge-to- Bridge”...
- Page 34 INT’L CHANNEL LIST CHAN SIMP NUMB /DUP TRANS CHANNEL DESIGNATION 156.050 Canada Public Correspondence 156.100 Canada Public Correspondence 156.150 156.200 156.250 156.300 Intership 156.350 156.400 Intership 156.450 156.500 156.550 156.600 156.650 156.700 156.750 156.800 Distress and Calling 156.850 156.900 156.950 157.000 157.050 157.100...
- Page 35 INT’L CHANNEL LIST CHAN SIMP NUMB /DUP TRANS CHANNEL DESIGNATION 156.275 156.325 156.375 156.425 156.475 156.525 Digital Selective Calling 156.575 156.625 Intership 156.675 156.725 156.875 Intership 156.925 156.975 157.025 157.075 157.125 157.175 Public Correspondence 157.225 Public Correspondence 157.275 Public Correspondence 156.325 Public Correspondence 156.375 Public Correspondence 156.425 Public Correspondence...
- Page 36 WEATHER CHANNEL LIST: CHAN NUMB RECEIV CHANNEL DESIGNATION WX01 162.550 US Primary 1 WX02 162.400 US Primary 2 WX03 162.475 US Primary 3 WX04 163.275 WX05 161.650 Canada (Channel 21B) WX06 161.775 Canada (Channel 83B) WX07 162.425 US Secondary 4 WX08 162.450 US Secondary 5...
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Page 37: Trouble Shooting
TROUBLESHOOTING 20.0 20.1 Unlock Warning If the radio’s main receiver Phase-Locked Loop circuitry becomes unlocked, the unit will display “UNLOCK”. The channel may be changed in an attempt to find a channel that is locked. Transmission is disabled while the radio is unlocked, but all other functions operate normally. The radio may continue to receive DSC calls and Distress calls via the Watch Receiver, but will be unable to respond until PLL lock is achieved. -
Page 38: Appendix A
21.0 NMEA Sentences The following is a list of IEC 61162 / NMEA sentences supported by the SEA 157S Radio. These sentences support GPS position sensors and DSC calling functions. Input Sentences include, but are not limited to: GGA Global positioning system fix data... -
Page 39: Appendix B
APPENDIX B 22.0 ITU 493 Information fields Format Types The Format Type defines the receiving party or addressee of the call. The available formats are: Geographical Area Addressed to ships in a specified area. Distress Addressed to all ships Group Addressed to ships having a common interest All Ships Addressed to all ships... - Page 40 Piracy/Armed robbery attack Man Overboard EPIRB emissions Telecommand 1 Defines the communication response format of the receiving station following reception of a call. The choices include: F3E SPX FM Voice communications using simplex F3E DPX FM Voice communications using duplex FIB FEC FSK digital communications using automatic reception of FEC telegraphy...
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Page 41: Appendix C
The SEABUSS II Junction Box is an optional device that resides on the SEABUSS, thereby offering additional I/O support and features not available on the SEA 157S chassis alone. Some of the additional ports and features include: balanced audio line in... - Page 43 S EA COM Corp. 7030 220th S t. S .W. Mountlake Terrace, WA 98043 US A (425) 771-2182 FAX: (425) 771-2650 www.seacomcorp.com...
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