SEA COM SEA157S Users Manual
PN: OPR-157S
Rev. 1a
Date: 06/2010
SEA 157S
DSC/VHF Radiotelephone
Operator’s Manual
Copyright ©2010-2020 SEA
All rights reserved.
SEA
7030 220th St. S.W.
Mountlake Terrace, WA 98043
USA
(425) 771-2182
FAX: (425) 771-2650
www.seacomcorp.com
i
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 ..............................................................6
Antenna Wiring ...................................................................... 6
1.0 POWER ON/OFF .....................................................................7
2.0 Keypad Function and Display Layout .................................... 7
2.1 Keypad Layout ............................................................... 7
2.2 Keypad Functions ........................................................... 8
2.3 Soft Key Function ...........................................................9
2.4 Display Layout .............................................................. 10
3.0 Basic Operation .................................................................. 11
3.1 Key Usage .................................................................... 11
3.2 Rotary Control .............................................................. 11
4.0 Selecting A Channel ............................................................ 12
4.1 Selecting Channel List USA/Int'l/WX .............................. 12
4.2 Selecting Channel Using the Keypad ............................... 12
4.3 Selecting Channel Using the Rotary Control Knob ............. 12
4.4 Selecting a Weather Channel ........................................... 12
4.5 Modify Channel Operation.............................................. 12
5.0 Volume Adjustment ............................................................ 13
6.0 Squelch Adjustment............................................................. 13
7.0 Dimmer Level ..................................................................... 14
8.0 Channel 16/9 ....................................................................... 14
ii
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 ........................................................... 16
11.4 Seek (All Scan).............................................................. 16
12.0 Transmit Power .................................................................. 16
13.0 Priority Channel ................................................................. 16
14.0 Transmitting A Distress Call ............................................... 17
15.0 Transmitting A DSC Call .................................................... 17
15.1 Individual DSC Call ...................................................... 18
15.2 Group DSC Call ............................................................ 19
15.3 Placing A Telephone Call With DSC ............................... 19
16.0 Receiving A DSC Call .......................................................... 20
17.0 Reviewing The DSC Call Log ............................................... 21
17.1 Routine DSC Calls ........................................................ 21
17.2 Distress Call Log ........................................................... 22
17.3 Missed Calls ................................................................. 23
18.0 Configuration Menu ............................................................ 23
18.1 Watch Mode Options ..................................................... 24
18.2 DSC Options ................................................................ 24
18.3 Radio Controls .............................................................. 25
18.4 Scramble Options .......................................................... 25
18.5 Channel Name .............................................................. 26
18.6 DSC Call Lists .............................................................. 26
18.7 Factory Reset ................................................................ 27
18.8 Set DSC ID .................................................................. 27
iii
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.............................................................................3
1.2 Flush Mount........................................................................... 5
1.3 Mounting Bracket....................................................................5
1.4 Keypad...................................................................................7
1
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.
Reading this handbook will give you an understanding of all the features
the SEA 157S has to offer, as well as instructions on installation,
maintenance and service.
2
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 – neoprene (2)
Washer – nylon (2)
Plug – microphone
Fuse holder
Fuse (7.5A)
Microphone hanger
OPTIONS & ACCESSORIES:
Part Number:
MIC-0157-M9 Microphone
MIC-0002-031 Handset
SPE-0500-25 External Speaker
KIT-0157-30 Flush-mount bracket/trim ring
3
TECHNICAL FEATURES AND SPECIFICATIONS
Dime
nsions:
3.6” H x 9.6” W x 2.8” D
Weight:
3 lbs (1.4 kg)
2.56
[64.9]
3.60
[91.3]
4.25
[108.0]
9.60
[243.8]
10.66
[270.8]
Figure 1.1
ELECTRICAL SPECIFICATIONS
12 Vdc +30% -10% <1.0 – Amp Receive
<7.0 – Amp Transmit
WIRING DIAGRAMS Main Cable
Color Code Signal
1 - RED - 12 Vdc (+)
2 - BLACK - 12 Vdc (-)
3 - BLUE* - Audio Out
4 - ORANGE* - Internal Speaker (IN)
5 - YELLOW - (VDR) 600 Ohm Balanced
6 - GREEN - (VDR) 600 Ohm Balanced
7 - VIOLET - (VDR) Ground
8 - GRAY - AUX remote distress key
9 - BROWN - PTT
10 - WHITE/RED - Mute
11 - WHITE - Microphone Input
12 - SHIELD - Microphone Input GND
*NOTE: Audio Out – (BLUE) and Internal Speaker (IN) (ORANGE) wires must be connected in order for internal speaker
operation.
1.63
[41.5]
4
WIRING DIAGRAM Remote (SEABUSS) Cable
Color Code Signal
1 - BLACK - GND
2 - RED - 13.6V Switched
3 - VIOLET - Remote PTT
4 - GREEN - SEABUSS Data (+)
5 - BLUE - SEABUSS Data (-)
6 - YELLOW - SEABUSS Audio (+)
7 - BROWN - SEABUSS Audio (-)
8 - WHITE - ON-OFF Control
9 - SHIELD - GND
WIRING DIAGRAM Data Cable
Color Code Signal
1 - WHITE/BROWN - RS232 TxD Line
2 - BROWN/WHITE - RS232 RxD Line
3 - WHITE/ORANGE - RS232 GND
4 - WHITE/BLUE - NMEA Input (+)
5 - BLUE/WHITE - NMEA Input (-)
6 - WHITE/GREEN - NMEA Output (+)
7 - GREEN/WHITE - NMEA Output (-)
8 ORANGE/WHITE - No Connect
9 - SHIELD - GND
5
INSTALLATION
Flush Mount
Figure 1.2
Mounting Bracket
Figure 1.3
6
Physical Mounting:
Select a mounting location where the unit is easily accessed. Mount the
unit in the desired position using the provided Trunnion mount or flush
mounting kit. See Figures 1.2 and 1.3.
Power supply wiring:
CAUTION: Make sure that the provided fuse holder is installed on
the power cord between the radio and the power source, and that the
proper sized fuse (7.5A) is installed.
Use a 12 volt +30%/-10% (10.8 to 15.6VDC) DC power source for proper
operation. Do not exceed 16.0 volts. Direct connection to the battery is
recommended. Connect the heavy red wire, with in-line fuse installed, to
the positive (+) 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. It is possible that damage could also occur to
some internal components. Application of voltages greater than 16.0 volts
will produce the same result. (Refer service to a qualified technician.)
Antenna wiring:
Use only the best available 50 ohm coaxial antenna cable and connectors.
The antenna must be vertically polarized. Check the antenna system for
less than 1.5:1 VSWR with an in-line wattmeter before final installation.
The antenna cable PL-259 connector should be tightly fastened to the
antenna connector on the back of the unit. All antenna connections should
be carefully protected from the weather.
7
1.0 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 " (greater than 2 seconds), then release.
NOTE: The last volume, dim, squelch levels, and channel number are
saved when the unit is powered down using the PWR key.
2.0 KEYPAD FUNCTION AND DISPLAY LAYOUT
2.1 Keypad Layout
Figure 1.4
Keypad
8
2.2 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. On the Primary Radio
Display, this key can be used to select the radio controls:
Volume, Channel, Squelch and the Back Light level.
DIST DSC Distress Call. Press for 5 seconds to initiate a Distress
call sequence.
16/# Go to CH 16 immediately. If pressed again, switches to CH
9. Active in all radio modes.
PWR Power on/off
FUNC Generally used to access the Soft Key Menu. Also used to
navigate through Menu Levels.
NOTE: During transmit, the keypad (1-0,FUNC, ENT*, 16 #) can be used to
send DTMF tones.
9
2.3 Soft Key Functions
1–DW 2
–
SCAN 3
–
SEEK
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.
4–PRI 5–LIST 6–CH GRP
7–1W 8–DSC 9–SQL
0–MENU
1 – DW Starts the Dual Watch. Starts the Triple Watch if held.
2 – SCAN Starts the MEM Channel Scan.
3 – SEEK Starts the All Channel Seek.
4 – PRI Switches to the Priority Channel.
5 – LIST Displays the channels in the Memory Scan List
6 – CH GRP Toggle between USA/INT/WX channels. Last channel
in each list is remembered
7 – 1W Toggle between 1W and 25W
8 – DSC Transmit a DSC call. User will be prompted for type
of call to transmit
9 – SQL Squelch On/Off toggle
0 – MENU Opens the primary configuration menu
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