Standard Horizon GX1250S User's Manual
Contents
1. 5 96 lio 16F3 Frequency Stability 20 to 5090 0 0005 7 3 RECEIVER Sensitivity 20 GOB QUIN deerit et ree eee sees hs Senet 0 4 uV 12 dB SINAD ice ter erred tcr E 0 35 uV Squelch Sensitivity 0 2 uV Bandwidth Acceptable Radio Frequency Displacement 4 5 kHz dee E purious and Image 70 dB Intermodulation and Rejection at 12 dB SINAD Sensitivity 65 dB Audio Output 596 DISEOFDIQDI ileal oer ed i Ee eod 4W Audio within 2 8 of a 6 dB octave de emphasis characteristic at 300 to 3000 Hz Frequency Stability 20 to 5005 0 001 96 Channel 2 244 4 1 10 01 25 kHz 12505 Owner s Manual Page 17 Standard Communications Standard Communication Corp P O Box 92151 Los Angeles CA 90009 2151 Telephone 310 532 5300 STANDARD COMMUNICATIONS CORP 1998 All Rights Reserved Printed in Japan 03 1999 175B8510122. on the display to indicate that priority scan is enabled NOTE To scan or priority scan 2 or more channels must be memorized in scan memory See section 5 6 in the Owner s Manual 3 To start scanning press the SCAN key Scanning will proceed between the memorized channels and priority channel 16 4 For example channels 06 07 and 08 are memorized in the transceiver s memory priority scanning will proceed in the following sequence Priority Priority Priority Channel Channel CH08 Channel 16 16 16 12505 Owner s Manual Page 13 5 Even when the transceiver stops and listens to the signal of a memorized channel the transceiver will DUAL WATCH between this channel and the priority channel 6 To disable priority scanning turn off the transceiver power Press and hold the SCAN key and turn the power back on The will disappear from the display to indicate that priority scan is disabled 5 8 WEATHER ALERT In the event of extreme weather disturbances such as storms and hurricanes NOAA National Oceanic and Atmospheric Administration sends a weather alert accompanied by a 1050 Hz tone and subsequent weather reports on the weather channels The transceiver is capable of receiving this alert if the following steps are performed 1 Program weather channels into the transceiver s memory for scanning Follow the same procedure as used for regular channels in Section 5 6 2 Press the SCAN key to start a
3. s heatsink fins and any wiring cables or structures 2 Cut out the rectangular hole and insert the transceiver 3 Fasten the brackets to the sides of the transceiver with the lock washer nut combination so the mounting screw base faces the mounting surface see Figure 5 4 Turn the adjusting screws to adjust the tension so the transceiver is against the mounting surface Page 10 Owner s Manual GX1250S 5 OPERATION After the transceiver has been installed see section 4 ensure the power supply and antenna are properly connected 5 1 RECEPTION 1 Turn the POWER SWITCH VOLUME CONTROL on 2 Turn the volume control knob to the desired level 3 Turn the SQUELCH CONTROL knob fully counterclockwise This state is known as squelch off 4 Turn up the volume until noise or audio from the speaker is at a comfortable level 5 Select a channel that has no signal being received no one is transmitting on the channel Only noise should be heard 6 Slowly turn the SQUELCH CONTROL knob clockwise and stop immediately after the noise disappears This condition is known as the Squelch Threshold If the SQUELCH CONTROL knob is turned clockwise past this point weak signals are not received No noise and no signals are heard until a signal is received that exceeds the squelch threshold 7 To change channels press the UP or DN key Sometimes a slight adjustment of the squelch threshold needs to be made because some
4. is displayed for International mode and C is displayed for Canadian mode 3 Refer to the OWNER S MANUAL SUPPLEMENT for the allocated channels in each mode 5 5 WEATHER CHANNELS 1 To receive a weather channel press the WX key The transceiver changes channel to the weather channel 01 2 Press the UP or DN key to move to other weather channels 3 To exit from the weather channels press the WX key The transceiver returns to the channel it was on prior to the weather channel Page 12 Owner s Manual GX1250S 5 6 SCANNING 1 Adjust the SQUELCH CONTROL until the background noise disappears Select the desired channel to be scanned using the UP or DN key Hold down the SCAN key until is displayed Repeat steps 2 and 3 for the channels to be scanned To start scanning press the SCAN key Scanning proceeds from the lowest to the highest programmed channel number and stops on a channel where a transmission is received 6 To stop scanning press the 16 9 WX SCAN key or PTT switch 7 To DELETE a channel from the transceiver s memory hold down the SCAN key while the memorized channel is displayed is deleted oa RC 5 7 PRIORITY SCANNING Emergency channel 16 can be set as the priority channel for scanning by performing the following 1 Turn off the transceiver power 2 Press and hold the SCAN key and turn the power back on A will be shown to the left of 16
5. scan 3 The programmed weather channels are scanned along with the regular programmed channels However the scan does not stop for normal weather broadcast 4 When an alert is received on a weather channel scanning stops and the transceiver enters the WEATHER ALERT MODE 5 When the transceiver is in the WEATHER ALERT MODE loud tone is sounded 6 Press the WX key to stop the alert tone and receive the voice information on the weather channel Page 14 Owner s Manual GX1250S 5 9 EMERGENCY CHANNEL 16 1 To select the emergency channel press the 16 9 key from any channel 2 Transmit your emergency signal in the same manner as on regular channels If you can not contact anyone on channel 16 switch to another channel 3 See the OWNER S MANUAL SUPPLEMENT for additional emergency operating practices 5 10 CHANNEL 9 1 Channel 9 is used as a hailing channel for initial non emergency contact with other vessels Hold down the 16 9 key to select channel 9 5 11 OPERATING ON CHANNEL 13 Channel 13 is used at docks bridges and for maneuvering in port Messages on this channel must concern navigation only such as meeting and passing in restricted waters Messages must be short and low power used In emergencies and when approaching blind river bends high power is allowed Hold down the H L key to temporarily switch to high power Hi power can only be accessed in USA or Canadian modes 5 12 OPERATING ON CHANNEL 67 W
6. A or Canadian mode whose counterpart in the International mode is a duplex channel 7 SEGMENT Display Displays the channel number in use HI LO Indicator Indicates the power setting 25 watts and LO 1 watt This display is blank if a transmission inhibited channel is selected GX1250S Owner s Manual Page 7 4 INSTALLATION 4 1 FREQUENCY AND DEVIATION TESTS FCC regulations require that the transceiver s deviation and frequency be tested before initial installation or operation This test should be performed by a Certified Marine Technician 4 2 LOCATION 1 The transceiver can be mounted at any angle Choose a mounting location that is far enough from any compass to avoid erroneous compass reading due to the speaker magnet provides protection from sea spray and rain provides accessibility to the front panel controls allows connection to a power source and an antenna has nearby space for installation of a microphone hanger 2 Install the unit in accordance with paragraph 4 3 or 4 4 In each appears an instruction to connect the power supply and antenna Where that appears the following three steps should be performed a At the rear of the transceiver connect the antenna cable to the antenna jack The antenna must have a PL259 connector RG8 or RG213 coaxial cable must be used if the antenna is 25 feet or more from the transceiver RG58 cable can be used for distances less than 25 feet b Co
7. GX1250S Horizon Eclipse 25 watt VHF FM Marine Transceiver Owner s Manual Horizon ECLIPSE WZ Communications TABLE OF CONTENTS GENERAL INFORMATION 1 1 FCC DOC 0 0 0 0 1 ACCESSORIES wasiessvcceceteasiatescteccteacandadstadessdddsdadadsdedsiadedadadadudedsdecedadecuaans 2 PACKING 8 446400000 2 iege ick P 2 REPLACEMENT 5 2 0 644000 0 6 2 CONTROLS AND 8 3 CONTROLS AND CONNECTIONS eene nnne 3 lape7quertcc 6 nnn nnne nnn nnn nnne ann 8 FREQUENCY AND DEVIATION 8 LOCATION MT RP 8 INSTALLATION USING REGULAR MOUNTING BRACKET 10 INSTALLATION USING CMB16 FLUSH MOUNT BRACKET 10 OPERATION me H 11 RECEP HON 11 TRANSMISSION aiana ia aasa 11 TRANSMIT TIME OUT TIMER 12 USA INTE
8. RNATIONAL AND CANADIAN 12 WEATHER CHANNELS eese 12 EE 13 PRIORITY 5 0022000000 13 WEATHER 00000 0 0000 14 EMERGENCY CHANNEL 16 04040000000 15 5 15 OPERATING ON CHANNEL 13 2 0 0 004 404 4 880 15 OPERATING CHANNEL 67 0 0 0 07 4 04 3 15 16 17 ML 17 0 00 000000 0 00 nnn nnne nane nnn 17 UI o oer x LA E T E 17 FIGURES 1 Controls and Connectors 00000 1 0 4 2 1 00000 n enne nnne nennen nnne 6 3 General Installation csse nnn 9 4 Regular Mounting 9 5 Optional CMB16 Mounting 9 1 GENERAL INFORMATION 1 14 INTRODUCTION The Standard Communications Corp SCC GX1250S Eclipse is a VHF transceiver designed for use in the frequency range of 156 050 to 163 275 MHz It requires 13 8 VDC for operation The transceiver has 65 channels 55 marine
9. and 10 weather The 55 marine channels are switchable to comply with either USA International or Canadian regulations It has an emergency channel 16 which can be immediately selected from any channel by pressing the red 16 9 key Weather channels can be also be accessed immediately by pressing the WX key The power output is 25 watts in high range and 1 in the low range These ranges are manually selected by the front panel H L key except on channels where low range power is mandatory On these channels low range is automatically selected 1 2 FCC DOC INFORMATION The following data pertaining to the transceiver is necessary to fill out the license application FCC FCC Part 80 Output POWE accensa etes 1 watt Low and 25 watts High EMISSION 16F3 Frequency Range 156 050 to 163 275 MHz FCC 0493 DOC Approval 363822161LVCA GX1250S Owner s Manual Page 1 Additional FCC and DOC data including licensing requirements are contained in the companion document titled OWNER S MANUAL SUPPLEMENT The document also contains charts for VHF channel assignments transceiver procedures maintenance factory service information and warranty data 2 ACCESSORIES 2 1 PACKING LIST When the package containing the transceiver is first opened plea
10. annel Each press increases the channel number When held down channels increase continuously DN KEY Selects the desired channel Each press decreases the channel number When held down channels decrease continuously H L KEY Toggles between high and low transmitting power This key does not operate on low power only and transmission inhibited channels When held down while the transceiver is on channel 13 or 67 the power temporarily enters high range WX KEY Immediately recalls a weather channel 01 from any channel location Reverts the transceiver to the previous channel when pressed twice after 16 9 key is pressed GX1250S Owner s Manual Page 3 FRONT PANEL MICROPHONE FRONT VIEW TOP VIEW Figure 1 Controls and Connectors Page 4 Owner s Manual GX1250S SCAN KEY Starts and stops scanning programmed channels Holding down this key scanning channels are programmed 16 9 KEY Immediately recalls channel 16 from any channel location Holding down this key recalls channel 9 When held down while pressing the WX key changes the mode from USA to International or Canadian When held down while turning the power on microprocessor is reset and scan channels are erased 4 SPEAKER 5 LIQUID CRYSTAL DISPLAY LCD See Section 3 2 for Indicators ANTENNA JACK Connects the antenna to the transceiver Use a marin
11. channels have a higher noise level than others Please refer to the Owner s Manual Supplement for a complete listing of all USA International and Canadian VHF Marine channels and their usages 5 2 TRANSMISSION 1 Perform steps 1 through 7 of RECEPTION 2 Before transmitting monitor the channel and make sure it is clear THIS IS AN FCC REQUIREMENT GX1250S Owner s Manual Page 11 3 Press the PTT push to talk switch The TX indicator in the LCD is displayed 4 Speak slowly and clearly into the microphone hold the microphone about 1 2 to 1 inch away from your mouth 5 When the transmission is finished release the PTT switch 6 Refer to the OWNER S MANUAL SUPPLEMENT for standard transceiver operating procedures 5 3 TRANSMIT TIME OUT TOT When the PTT switch is held down transmission time is limited to 5 minutes This prevents prolonged unintentional transmissions About 10 seconds before automatic transmitter shutdown a warning beep is heard from the speaker The transceiver then automatically switches to the receiving mode even if the PTT switch is still held down Before transmitting again the PTT switch must first be released and be pressed again 5 4 USA INTERNATIONAL AND CANADIAN MODES 1 To change the modes hold down the 16 9 key and press the WX key The mode changes from USA to International to Canadian with each press of the WX key 2 U is displayed for the USA mode I
12. e VHF antenna with an impedance of 50 ohms G DC INPUT CABLE Connects the transceiver to a DC power supply of 13 8 V EXTERNAL SPEAKER JACK Connects an optional external speaker to the transceiver Use a speaker with an impedance of 4 or 8 ohms with an RCA phono plug 9 MICROPHONE Transmits a voice message 10 PUSH TO TALK PTT SWITCH Activates transmission GX1250S Owner s Manual Page 5 UP KEY Selects the desired channel Each press increases the channel number When held down the channel numbers increase continuously 12 DOWN KEY Selects the desired channel Each press decreases the channel number When held down the channel numbers decrease continuously 3 2 INDICATORS 2o 2 m MEM WX o FTIA Figure 2 Indicators The LCD on the transceiver has several symbols and indicators that should be understood by the user before operating the unit Figure 2 shows all of these symbols and indicators although it is not possible to see them at the same time Indicator Indicates the mode of operation USA International or Canadian for a particular channel WX Indicator Indicates a weather channel Page 6 Owner s Manual GX1250S TX Indicator Transmission indicator The TX indicator appears when th PTT switch is pressed and it is O K to transmit MEM Indicator Indicates the channel is memorized in the transceiver s memory A Indicator Indicates a simplex channel in US
13. hen channel 67 is used for navigational bridge to bridge traffic between ships high power may be temporarily used in the USA mode by holding down the H L key 12505 Owner s Manual Page 15 6 MAINTENANCE For preventive maintenance and instructions on obtaining factory service please refer to the OWNER S MANUAL SUPPLEMENT For general troubleshooting refer to the Troubleshooting Chart SYMPTOM TROUBLESHOOTING CHART PROBABLE CAUSE REMEDY Transceiver fails to power up No DC voltage to the transceiver or a blown fuse Check power cable for DC voltage or the replace the 6 A 250 V fuse Transceiver blows fuse upon connection of the power supply Reversed power connections Be sure the RED wire is connected to POSITIVE battery terminal and BLACK wire to NEGATIVE terminal If the transceiver still blows the fuse contact your SCC Dealer Popping or whining noise from speaker while the engine runs Engine noise Reroute DC power cables away from engine Add noise suppressor to the power cable Change to resistive spark plug wires and or add an alternator whine filter External speaker plug does not fit into jack Incorrect plug on speaker cable The external speaker jack accepts only RCA phono plugs Internal speaker turns off when external speaker is plugged in No problem Normal transceiver operation causes internal speaker cut off when external speake
14. nnect the red power cord to a 13 8 VDC 20 power source Connect the black power cord to negative ground See Figure 3 for this step c It is advisable to have a Certified Marine Technician check the power output and the standing wave ratio of the antenna after installation Page 8 Owner s Manual GX1250S WATERPROOF DECK OUTLET SPEAKER OPTIONAL BATTERY Figure 3 General Installation Figure 5 CMB16 Mounting Bracket GX1250S Owner s Manual Page 9 4 3 INSTALLATION USING REGULAR MOUNTING BRACKET 1 Mount the bracket using the washers nuts and long hex head bolts 2 Thread the mylar washers onto the mounting bracket knobs 3 Position the transceiver within the bracket arms matching the transceiver notches to obtain the desired positioning 4 Secure the transceiver to the brackets with the mounting knobs see Figure 4 5 Connect the antenna and power cables and optional speaker to the transceiver 4 4 INSTALLATION USING CMB16 FLUSH MOUNT BRACKET Optional Refer to Figure 5 for the following procedure 1 Use the template supplied with the CMB16 to mark the location inner template where the rectangular hole 5 5 16 by 2 1 16 inches is to be made Confirm the space behind the dash or panel is deep enough to accommodate the transceiver There should be at least 1 2 inch between the transceiver
15. r is plugged in Transceiver transmits but does not receive Channel mode The transceiver may be tuned to a duplex channel meant for ship to shore radiotelephone communications Transceiver transmits on low power only Antenna Have antenna checked or test the transceiver with another antenna If problem persists contact your SCC Dealer Page 16 Owner s Manual GX1250S 7 SPECIFICATIONS Performance specifications are nominal unless otherwise indicated and are subject to change without notice 7 1 GENERAL Frequency 156 050 to 163 275 MHz EIE m 65 total 55 marine 10 weather Input Voltage iens ete SERRE seine laa 13 8 VDC 20 Current Drain NICINo oy e EE 0 5 A Incidence 1 5A EIC 6 A 1 7 A Lo Physical 2 52 H x 5 91 W x 5 28 D 64 mm x 150 mm x 134 mm 1 68 Ib 0 76 Kg FCC Type Acceptance APV0493 DOC Type Approval Number essere 363822161LVCA 7 2 TRANSMITTER lime rc EE 25 W Hi 1W Lo Conducted Spurious 65 dB Hi 50 dB Lo FM Umi NOISG 40 dB min Audio within 2 8 of 6 dB octave pre emphasis AdO BIE ejui EP
16. se check it for the following contents e GX1250S Eclipse Transceiver CMP348W Microphone Attached to the transceiver Mounting Bracket and attaching hardware Power Cable Owner s Manual Owner s Manual Supplement Hanger Kit for Microphone 2 2 OPTIONS 16 2 dide ap ena Flush Mount Bracket 2019 Remote Extension Speaker with RCA Phono Plug 2019Zo Flush mount Speaker Up Extension Speaker 2 3 REPLACEMENT PARTS Microphone MP51000240 Microphone 277X155020 Mounting Bracket orien ttr tette lacte 175B160020 Mounting Bracket 2 414C154022 Volume Knob 1 1 eiii dei tag ae cce de tede ete teneor aeneae s 175B154500 Squelch Knob 2 5 tene retener tenen andae ns 175B154010 Page 2 Owner s Manual GX1250S 3 CONTROLS AND INDICATORS Refer to Figure 1 for the location of the following controls indicators and connections 3 1 CONTROLS AND CONNECTIONS POWER SWITCH VOLUME CONTROL Turns the transceiver on and off and adjusts the volume SQUELCH CONTROL Sets the point at which random noise on the channel does not activate the audio circuits but a received signal does This point is called the squelch threshold Further adjustment of the squelch control degrades reception of wanted transmissions KEY PAD UP KEY Selects the desired ch
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