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Summary of Contents for GME GX750
- Page 1 GX750 VHF marine radio with remote full function LCD controller microphone I N S T R U C T I O N M A N U A L G X 7 5 0 I N S T R U C T I O N M A N U A L...
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Page 2: Table Of Contents
CONTENTS WARNING/SAFETY INFORMATION ....................3 OPERATOR QUALIFICATIONS ....................3 INTRODUCTION ........................3 FEATURES ..........................3 SUPPLIED WITH ........................4 RANGE ............................4 CONTROLS ..........................4 OPERATION ..........................5 On/Off ..........................5 Volume ..........................5 Adjusting the squelch .......................6 Channel selection ......................6 Keypad lock........................7 Transmitting ........................7 Channel 16 ........................7 Display backlighting ......................8 High/Low power selection ....................8 Working channel memories ....................8 Dual Watch key (DW) .......................8... -
Page 3: Warning/Safety Information
Congratulations. You have just purchased one of the most technically advanced VHF marine radios in the world. The GME GX750 is a VHF radio designed to operate in the 156–163 MHz marine band. The GX750 has a number of enhanced features including full function LCD controller microphone, user programmable Channel Scanning, Dual Watch and Triple Watch functions and two programmable ‘Instant’... -
Page 4: Supplied With
SUPPLIED WITH GX750 main unit S0239 to FME adaptor (AD513) 8 pin panel socket (MK013B/W) GX750 LCD controller microphone (MC750B/W) DC power lead (LE029) Mounting hardware 500 mm interconnecting lead (LE106) Microphone bracket (MB210B/W) Instruction manual Microphone clip (MB209B/W) Cable Tie... -
Page 5: Operation
Low Power/ Channels Keypad Lock Speaker Channel 16 OPERATION ON/OFF To turn the GX750 ON, press and hold the key. To turn the GX750 OFF, press and hold the key. VOLUME Press the keys to adjust the volume. Press the key to increase the volume or the key to decrease the volume. -
Page 6: Adjusting The Squelch
GX750 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 signals. -
Page 7: Keypad Lock
Once the required channel set is selected, hold the 16 key to return to normal operation. • NOTE: The radio will automatically return to normal operation after 20 seconds. NOTE: Weather channels are also available when the USA and Canada channel sets are selected. -
Page 8: Display Backlighting
Selecting channel 16 automatically resets the transmitter to high power. WORKING CHANNEL MEMORIES The GX750 has two dedicated priority channel memories 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). -
Page 9: Dual Watch Features
A high beep will be heard and the ‘DW’ icon will appear on the display. The GX750 will now monitor both the selected channel AND channel 16 by alternating equally between them. To cancel the Dual Watch Briefly press the DW key to return to normal operation. A low beep will be heard. -
Page 10: Triple Watch Features
Now press the TW key. A high beep will be heard and the ‘TW’ icon will be displayed. The GX750 will now monitor channel 16, the PR1 channel and the selected channel by alternating equally between them. -
Page 11: Scanning
SCANNING The scan function allows the GX750 to scan a series of user selected channels looking for activity. Scanning is done in an ascending sequence at a rate of 10 channels per second. Channels can be selected and stored for scanning from any of the available channels. -
Page 12: Installation
International channel set can be different to those stored under the USA or Canadian channel sets. 2. If the GX750 is switched off while it is scanning, it will resume scanning automatically when it is switched ON again. 3. A minimum of 2 channels is required in the scan memory before scanning is allowed. If there are less that 2 channels in the scan memory, pressing the SCN key will give a low beep and the scan will be ignored. -
Page 13: Selecting A Location
SELECTING A LOCATION It is advisable to spend a little time selecting the best location for your GX750. The radio is a modular design which allows the main unit to be discretely mounted out-of-sight behind the dashboard or control panel. The chosen location should provide sufficient space to reach the connectors and allow some airflow for the heat sink. - Page 14 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 power lead to the Negative (-) side of the battery or to a ground point in your vessel or vehicle.
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Page 15: Antenna Installation
GME have a large range of suitable VHF Marine antennas to suit most installations and applications. We recommend you contact your local dealer for advice, or visit gme.net.au. Your GX750 is fitted with an ‘FME’ antenna socket. An ‘FME’ to ‘SO239’ adaptor is also included (AD513). -
Page 16: Specifications
Contact your local marine dealer for more information. Similarly, if the interference you are experiencing is from other electronic equipment such as a depth sounder, try to keep the depth sounder’s DC leads and transducer cable well away from your GX750’s wiring. SPECIFICATIONS* ELECTRICAL General Complies with: AS/NZS4415.2.2003... -
Page 17: Mechanical
Blocking Rejection: > 100 dB RF Bandwidth: < 4 MHz Switching Bandwidth: > 10 MHz Frequency Response: -6 dB per octave de-emphasis, 300 Hz – 3 kHz, +1 - 3 dB Audio Output Power: 3 watts average into external 4 Ohm speaker 2 watts average into internal speaker Audio SN: >... -
Page 18: International Vhf Marine Channels
INTERNATIONAL VHF MARINE CHANNELS Channel Simplex TX Frequency RX Frequency Comment 156.050 160.650 Public correspondence 156.100 160.700 Public correspondence 156.150 160.750 Public correspondence 156.200 160.800 Public correspondence 156.250 160.850 Public correspondence 156.300 156.300 Intership 156.350 160.950 Public correspondence 156.400 156.400 Intership 156.450 156.450... -
Page 19: Standard Communications Warranty Against Defects
This warranty against defects is given by Standard Communications Pty Ltd ACN 000 346 814 (We, us, our or GME). Our contact details are set out in clause 2.7. This warranty statement only applies to products purchased in Australia. Please contact your local GME distributor for products sold outside of Australia. - Page 20 (f) Goods where the serial number has been removed or made illegal. 4. Warranty period 4.1 We provide the following warranty on GME and Kingray products. No repair or replacement during the warranty period will renew or extend the warranty period past the period from original date of purchase.
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