GEM GX700 Instruction Manual Download Page 1 | Manualshive

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Summary of Contents for GX700

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Page 2: ...el 16 6 Selecting channel sets 6 Display backlighting 7 High Low power selection 7 Working channel memories 7 Dual Watch key DW 7 Dual Watch Features 8 Triple Watch key TW 8 Triple Watch Features 9 Scanning 10 Scanning Features 10 INSTALLATION 11 Selecting a location 11 Installing the unit 12 DC connections 12 Antenna installation 13 Extension speaker 13 Noise suppression 13 SPECIFICATIONS 14 Stan...

Page 3: ...Maritime College AMC provides the marine examination and certificate service on behalf of the Australian Communications and Media Authority ACMA The AMC can provide the details of organisations and individuals offering courses and or conducting exams For further information visit www amc edu au INTRODUCTION Congratulations You have just purchased one of the most technically advanced VHF marine rad...

Page 4: ...to shore ranges will often be greater due to the increased height of the shore antenna and communications of 25 to 50 nautical miles are possible CONTROLS Front Panel Power On Off Lamp Priority 2 Priority 1 LCD Display TX Power Scan Channel 16 Channel Up Volume Speaker Weather Squelch Dual Triple Channel Microphone Key Channels Watch Watch Down Socket Lock LCD Display Busy Low Power Transmit Dual ...

Page 5: ...eset level The preset squelch level can be adjusted to suit local conditions If you are in an electrically noisy location or unwanted weak signals keep opening the squelch you can adjust the squelch setting so that the GX700 remains quiet Note that increasing the preset squelch level will mean that stronger signals will be required to overcome the squelch and may result in missed calls from weaker...

Page 6: ...ard and the transmitter will be temporarily disabled to prevent accidental jamming of the channel frequency To reset the timer simply release the PTT NOTE The transmitter is permanently disabled on CH 70 If the PTT is pressed on CH 70 a low beep will be heard and the PTT will be ignored CHANNEL 16 Briefly press the 16 key to switch straight to channel 16 The SAFETY icon will be displayed all previ...

Page 7: ... transmitter to high power priority CHANNEL MEMORIES The GX700 has two dedicated priority channel memories called that allow you to store and recall two often used channels These memories are accessed using keys labelled PR1 and PR2 PR1 is also used as the priority channel for the Triple Watch function see feature description later in this manual These channel memories also allow faster channel sw...

Page 8: ...ed because channel 16 has priority During this time the PTT may be pressed for normal transmissions on channel 16 Once channel 16 has become inactive for 5 seconds the Dual Watch function will resume To transmit on the selected channel while Dual Watching Simply press the PTT The Dual Watch function will pause and the radio will transmit on the selected channel Dual Watch will then resume 5 second...

Page 9: ...T channel 16 will continue to be monitored every 2 seconds the selected channel is not monitored During this time the PTT may be pressed for normal transmissions on the priority channel monitoring of channel 16 pauses while transmitting Once the priority channel has become inactive for 5 seconds Triple Watch will resume If a signal appears on the selected channel Scanning will pause on the selecte...

Page 10: ... beep and M will appear If M IS displayed press and hold the SCN key to remove the channel from the scan memory The channel number will flash the radio will give a low beep and M will disappear To begin scanning Briefly press the SCN key The GX700 will scan upwards through the stored channels at 10 channels per second and the display will show rapidly changing channel numbers If a signal is locate...

Page 11: ...ng with Triple Watch If Triple Watch is selected while scanning the TW and SCN icons will be displayed and both channel 16 and the PR1 channel will be inserted into the scan every 2 seconds INSTALLATION NOTE Your GX700 is designed for connection to negative earth electrical systems only SELECTING A LOCATION It is advisable to spend a little time selecting the best location for your GX700 The radio...

Page 12: ...nting Overhead Mounting Flush Mounting The GX700 can be flush mounted using the optional MK008 flush mounting kit A cutting template and full mounting instructions are provided with the kit Flush Mounting using the optional MK008 mounting kit DC CONNECTIONS Connect the RED power lead to the Positive side of the battery or to an accessory point in the vessel or vehicle s fuse box Connect the BLACK ...

Page 13: ...rove the reception clarity in those areas NOISE SUPPRESSION The inherent design of VHF FM radios results in a high level of resistance to ignition and electrical interference However in some installations it may be necessary to take additional steps to help reduce or eliminate noise interference During installation try to route the DC battery leads the antenna lead or any accessory wires away from...

Page 14: ...Demodulated S N 50 dB weighted Current Consumption High power 5 amps low power 850 mA Receiver IF Frequencies 1st 21 4 MHz 2nd 450 kHz Sensitivity 121 dBm for 12 dB SINAD unweighted Squelch Sensitivity Adjustable 10 preset levels Spurious Rejection 70 dB Intermodulation Rejection 75 dB Adjacent Channel Rejection 74 dB Blocking Rejection 100 dB RF Bandwidth 4 MHz Switching Bandwidth 10 MHz Frequenc...

Page 15: ...es and obligations which would otherwise be implied 2 Warranty against defects 2 1 This warranty is in addition to and does not limit exclude or restrict your rights under the Competition and Consumer Act 2010 Australia or any other mandatory protection laws that may apply 2 2 We warrant our goods to be free from defects in materials and workmanship for the warranty period see warranty table from ...

Page 16: ... the cost of returning the repaired or replaced goods to you and reimburse you for your reasonable expenses of sending your warranty claim to us 3 What this warranty does not cover 3 1 This warranty will not apply in relation to a Goods modified or altered in any way b Defects and damage caused by use with non Standard Communications products c Repairs performed other than by our authorised repres...

Page 17: ...Fitting instructions and Mounting Template ...

Page 18: ...nted in an exposed position it may be advisable to run a bead of suitable sealant behind the surround to prevent water seeping behind the dash board or bulkhead 7 Install dress caps supplied over the self tapping screws to neaten the installation NOTE If you are replacing your current installation and the existing hole is larger than the template you will need to use the saw tooth clamps supplied ...

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