GX300 27 MHz MARINE AND CB RADIO INSTRUCTION MANUAL
WARNING: SAFETY INFORMATION The GX300 is a radio transmitting device. • When transmitting, keep the antenna more than 25 mm from any part of the head or body. • Do not transmit near electrical blasting equipment or in explosive atmospheres. • Do not allow children to operate a radio transmitter unsupervised. INTRODUCTION Congratulations. You have just purchased one of the most technically advanced 27 MHz radios in the world.
FEATURES SWITCHING BETWEEN MARINE AND CB BANDS • Ingress protection to IP55* The GX300 is capable of operating on both the Australian 27 MHz Marine band and the Australian 27 MHz Citizens Band. This makes your radio very versatile in that it can be used in your vehicle, on a boat or even on a motorcycle or tractor.
REAR PANEL MICROPHONE Channel Down PTT Switch Channel Up CH88 / Priority Channel Antenna Socket DC Lead External Speaker Socket DISPLAY Channel Number Transmit Indicator Busy Indicator Channel in Scan Memory Safety Channel Selected 88 Key Selected Noise Limiter Selected Priority Channel Selected Dual Watch Selected Scan Selected OPERATION - GENERAL FUNCTIONS VOLUME ON/OFF CHANNEL SELECTION Rotate the volume control clockwise past the ‘click’ to turn the GX300 ON.
a build-in speech processor which automatically controls the level of your transmitted voice. It is not necessary to raise your voice or shout into the microphone. NOISE LIMITER The NL key activates an extremely effective noise limiter circuit which helps to eliminate most electrical impulse interference caused by engine ignition systems etc. This allows clearer reception of weak signals even under noisy electrical conditions. When the NL key is selected, ‘NL’ is displayed on the LCD.
To use the Dual Watch feature, adjust the squelch control so the radio is quiet, select your preferred working or club channel then press the DW key. ‘DW’ will appear on the display and the channel display will alternate between your selected channel and Channel 88. If a signal is received on your selected channel, the radio will pause on that channel but will continue to switch to Channel 88 every 2 seconds and a brief interruption to the signal will be noticed.
appear on the display and the channel display will alternate between your selected channel and the Priority channel. If a signal is received on your selected channel, the radio will pause on that channel but will continue to switch to the Priority channel every 2 seconds and a brief interruption to the signal will be noticed. Once the signal has gone, normal Dual Watch switching will resume.
INSTALLATION Panel Mounting Overhead Mounting Upright Mounting GENERAL It is advisable to spend a little time selecting the best location for your GX300. The mounting bracket can be rotated above, below or behind the radio enabling the radio to be mounted in a wide range of locations. In addition, an optional flush mounting kit allows the radio to be flush mounted in a panel or dashboard. Keep the following points in mind when choosing a location • The GX300 is designed to meet IP55* standard.
Extension Speaker (optional) 27 MHz Antenna Higher frequency electrical interference caused by electric motors and bilge pumps can be suppressed directly at the motor terminals. Electronic interference caused by other electronic devices such as fishfinders is best minimized by keeping the units, including all wiring and cables, separate from your GX300.
SPECIFICATIONS ELECTRICAL Receiver General Demodulated Frequency Response: 300 Hz to 3 kHz, + 1 - 3 dB Complies with: AS4367 and AS/NZS4355 (Australia only) Frequency Range: 26.965 - 27.980 MHz Channel Set: Australian 27 MHz marine Australian 27 MHz Citizens Band Modulation: AM (A3E) Supply Voltage: • 12.6 V DC nominal • 10.8 – 15.
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. Local distributor details at www.gme.net.au/export. 1. Consumer guarantees 1.
Part Number: 310344 Drawing Number: 42844-6 GX 300
26 MHz NEW ZEALAND VERSION This radio has been factory preset to suit the 40 Channels in the 26 MHz New Zealand CB Band. All software functions, Priority, Dual Watch, Noise Limiter and Scan operate as per the manual. Channel Frequency (MHz) 1 26.330 2 26.340 3 26.350 4 26.370 5 26.380 6 26.390 7 26.400 8 26.420 9 26.430 10 26.440 11 26.450 12 26.470 13 26.480 14 26.490 15* 26.500 16 26.520 17 26.530 18 26.540 19 26.550 20 26.570 21 26.580 22 26.590 23 26.
MK600 IN DASH FITTING INSTRUCTIONS REAR VIEW Contents: 2 S/S brackets 2 adhesive backing strips 4 S/S self tapping screws 4 S/S metal-thread screws Adhesive Backing Plate ✂ D.N. 42261-3 P.N. 310226 Figure 1 6.0 Radius Cut Out 156 mm x 58 mm Place the GX600 through the hole. If the dashboard is subject to water spray it may be beneficial to apply a thin bead of sealant to prevent any water ingress between the body of the radio and the dashboard.
66 mm 165 mm Mark and cut a hole 66 mm (h) by 165 mm (w), allowing for clearance of the two mounting screws holding the radio to the surround. Use a 10 mm drill bit to form the radius of the corners and an 8 mm drill bit for the clearance of the mounting screws. 10 mm Drill Bit MK001B INSTALLATION - CUTTING TEMPLATE 2.
66 mm 165 mm Mark and cut a hole 66 mm (h) by 165 mm (w), allowing for clearance of the two mounting screws holding the radio to the surround. Use a 10 mm drill bit to form the radius of the corners and an 8 mm drill bit for the clearance of the mounting screws. 10 mm Drill Bit MK001W INSTALLATION - CUTTING TEMPLATE 2.
