COMMERCIAL BX SERIES HANDHELD RADIOS Instruction manual includes models: • BX710 • BX720 • BX730 INSTRUCTION MANUAL BX SERIES HANDHELD INSTRUC TIO N MA NUA L PAGE 1
WARNING - SAFETY INFORMATION The BX Series are radio frequency transmitting devices. When transmitting, keep the antenna more than 25 mm from any part of your head or body. Do not transmit near electrical blasting equipment or in explosive atmospheres. Do not allow children to operate a radio transmitter unsupervised.
CONTROLS 10 9 11 8 4 12 5 3 13 MON/T 2 SCAN/M 7 6 1 14 VOX 15 16 BX720 1. Battery. 9. Antenna. 2 Scan. 10 Priority Channel/Keylock Button. 3. Squelch/CTCSS Key. 11 Volume On/Off. 4. Battery Release Clip. 12 External Speaker/Mic. 5. Push-To-Talk (PTT) Switch. 13 Speaker. 6. Mode Key. 14 LCD Display. 7. Microphone. 15 Channel Up. 8. Indicator LED. 16 Channel Down.
LCD INDICATORS 2 3 4 5 6 7 8 9 1 10 11 12 14 15 16 17 13 1. Dual Watch Icon: Appears when the Dual Watch mode is active 10. Time Out Timer Indicator: Indicates the Time Out Timer is enabled 2. VOX (Voice Operated Transmitter) Icon: Appears when VOX mode is active 11. Busy Channel Lockout: Indicates the transmitter will be disabled on the selected channel while incoming signals are being received. 3. Keypad Lock Icon: Appears when the keypad is locked 4.
GETTING STARTED Your BX Series handheld is supplied with a 1700 mAh 7.4 Volt Li-Ion rechargeable battery pack. When the battery pack is new it will need to be fully charged before use. Also, if you have not used your BX Series handheld for some time you will need to recharge the battery pack before use. The battery pack is a sealed unit and contains no user-serviceable parts. WARNING: Use only GME approved battery packs and chargers. The use of other types may be dangerous and may void the warranty.
Battery usage The time taken to discharge the battery pack will depend on how you use your BX Series handheld. The 1700 mAh battery pack is powerful enough for a full days use under average conditions. Conserving battery power The BX Series handheld has built in power saving features to help you maximise the amount of time between charges from your Li-ion battery pack. If you need to operate your handheld in a situation where you require maximum battery life (e.g.
When a signal is received, the ‘Busy’ indicator will light Green and the signal will be heard in the speaker. Adjust the volume control as desired for a comfortable listening level. If the incoming signal is encoded with a CTCSS tone that matches the one set in your radio, the ‘Busy’ indicator will light Orange and the signal will be heard in the speaker.
along with the selected CTCSS/DCS code. When deactivated the CTCSS/DCS code will be displayed as ‘- - -‘ Note: If your radio does not have any channels programmed with CTCSS/DCS codes or you have selected a channel that does not have a CTCSS/DCS code, this function will be ignored. SCAN Key The SCAN key is a dual function key that controls both Scan and Memory functions. Channel scanning allows you to monitor selected channels automatically for incoming signals.
MODE KEY The Mode key is used to change the various feature settings of the BX Series handhelds. The following chart shows the order of these selections: Standby Mode 1 CTCSS Code Selection 2 DCS Code Selection 3 Transmitter Power 4 VOX Settings 5 Dual Watch Settings 4. Briefly press the PTT switch to store the setting. To activate the CTCSS function on the radio 1. Select a channel that has a CTCSS code selected. 2. Press and hold the MON key.
2. Press and hold the MON key. The ‘DCS’ icon will appear and the DCS code will be displayed. DCS is now activated on all channels that have DCS codes selected. To set the VOX sensitivity To deactivate DCS on the radio 2. Press the or keys to select the VOX sensitivity from 1 (minimum) to 7 (maximum). The minimum setting requires a louder voice to activate the VOX. The maximum setting will activate the VOX with a much softer voice. 1. Select a channel that has a DCS code selected. 2.
To Exit the Dual Watch mode Briefly press the SCAN key. This is equivalent to setting the Dual Watch channel to ‘oFF’. Dual Watch operation Any signal received on the selected channel will be heard in the speaker, but the radio will continue to switch to the Dual Watch channel at regular intervals to listen for signals resulting in short breaks in the conversation on the selected channel.
To set the squelch 9. Button Beep Settings From the standby mode; The Button Beep tone provides a confirmation tone whenever you press the keys on the radio. 1. Press the MODE key SEVEN times. ‘SQL’ is displayed. 2. Press the or keys to set the squelch sensitivity. A setting of 001 will allow the squelch to open to the weakest signals while a setting of 005 requires much stronger signals to open the squelch. Select ‘At’ to enable an automatic (preset) level setting.
Transmitter BX710 RF Output: H igh- 5 Watts Max. Low- 1 Watt. BX720/730 RF Output: H igh- 4 Watts Max. Low- 1 Watt. Spurious Emissions: < -26 dBm Frequency Stability: 25 kHz: ± 3 kHz 12.5 kHz: ±1.5 kHz. Modulation: FM Maximum Deviation: 25 kHz < ±5 kHz 12.5 kHz < ±2.5 kHz Transmit Frequency Response: + 6 dB per octave 300 Hz to 3 kHz, +1, -3 dB. Current Consumption (Max.): 1.7 Amps @ 4 Watts 0.7 Amps @ 0.75 Watts Receiver Intermediate Frequencies: 1 st: 45.3 MHz 2nd: 455 kHz.
CTCSS TONE FREQUENCIES CTCSS Frequency Hz CTCSS Frequency Hz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 67.0 71.9 74.4 77.0 79.7 82.5 85.4 88.5 91.5 94.8 97.4 100.0 103.5 107.2 110.9 114.8 118.8 123.0 127.3 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 131.8 136.5 141.3 146.2 151.4 156.7 162.2 167.9 173.8 179.9 186.2 192.8 203.5 210.7 218.1 225.7 233.6 241.8 250.
Standard communications contract warranty 1. Statutory Warranties 2. additional Warranties 1.1 The Trade Practices Act Part V, Division 2A and other legislation imply conditions, warranties and other obligations on us to consumers that cannot be excluded, restricted or modified. Those provisions apply to the extent required by law. 2.1 The warranties in this clause are in addition to the statutory warranties referred to in the previous clause. 1.
3. OTHER LIMITATIONS (b) suffered as a result of our negligence (or that of our employees, contractors or agents) apart from liability - as set out in the previous two clauses. 3.1 You may not rely on any representation, warranty or other provision by or for us which is not covered by clause [ 1 ] or repeated in this agreement in clear terms. 3.
