Midland 445 BT Instruction Manual Download | Manualshive

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Summary of Contents for 445 BT

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Page 2: ...5 4 b Transmission 10 5 5 Monitor function 11 5 6 Selecting transmission power 11 5 7 Bluetooth button 11 5 8 Display lighting 11 5 9 Keypad lock 11 5 10 Use of CALL button 11 5 11 Clock mode 11 5 11 a Setting the time 11 5 12 Chronometer mode 12 6 ADVANCED FUNCTIONS F BUTTON 13 6 1 CTCSS subaudio tone selection 13 6 2 VOX mode 13 6 2 a Activation deactivation of VOX mode 14 6 2 b Setting VOX sens...

Page 3: ...antee impeccable communications even over background noise amd interference 445 BT is also equipped with a Bluetooth module and chronometer Main functions 38 CTCSS tones in RX and TX Up to 20 channels stored Multifunctional backlit display Button for display backlight Auto power save automatic current economy circuit reducing the battery consumption by up to 50 VOX Babysitter function programmable...

Page 4: ... This is a delicate part of the device and is vital for the proper functioning of the radio Pay attention to environmental conditions although 445 BT is designed to operate under the most severe conditions it is important to avoid exposure to environments that are excessively humid or dusty or to temperatures outside the 15 to 55 C range Also avoid exposure to direct sunlight jarring and excessive...

Page 5: ...thing will be placed on top of it Insert the prongs into a socket that has been grounded Avoid shocks and excessive vibrations Do not use the battery charger if it has been subjected to strong shock had a fall or if it appears damaged Immediately contact an authorized service centre Do not dismount the battery charger Any repair work must be performed exclusively by authorized service centers For ...

Page 6: ...s and for setting functions 7 Internal microphone the transmission microphone is located here 8 Internal speaker the speaker is located here 9 Contacts for battery charging bottom of the radio for connecting the optional CA445 intelligent table top battery charger 10 button for scrolling upwards numerically through the tuned channels and for setting functions 11 F Function button for accessing the...

Page 7: ...ad lock indicates that the keypad is locked F Battery level indicates the remaining battery power The four bars disappear proportionately as power decreases When the battery charge is no longer high enough to guarantee correct functioning of the transceiver this icon will flash to signal that the batteries need to be recharged or replaced G LOW indicates that low transmission power has been select...

Page 8: ...transceiver operates with four AA batteries not included There are two battery options available Rechargeable 1 2V NiMH available in various capacities in mA h Higher battery capacity allows for greater duty but requires longer recharging time Non rechargeable 1 5V alkaline For installing removing the batteries it is not necessary to remove the belt clip procedure outlined in par 4 1 however this ...

Page 9: ...d in par 2 2 b 4 3 a MW904 wall battery charger and 12V charger 1 Ensure the radio is turned off it should better remain off for the entire period of charging otherwise the charging time will be longer only trickle charging may be possible 2 Lift the rubber flap on the right side of the transceiver 3 Insert the plug at the end of the MW904 battery charger cable into the CHG socket then connect the...

Page 10: ...perly you will obtain at least 400 cycles of charge discharge at maximum duty It is normal for battery duty to gradually decrease about 2 3 of the way into a battery s life Rechargeable battery packs lose their charge over time even if they are not used auto discharge this is normal A NiMH Nickel Metal Hydrate battery may lose 10 20 of its energy within a few days 4 4 a Memory effect Rechargeable ...

Page 11: ...ications on the currently selected channel stand by If you are not receiving communications in stand by and have not activated any commands for at least 10 seconds the display will flash Power Saver indicating that the power saver function has been automatically activated When 445 BT receives a signal the following will happen The BUSY icon will appear on the display along with the icon which indi...

Page 12: ...ivate deactivate the Bluetooth The 445 BT can be connected to Bluetooth devices like headsets helmets and the Midland BT Intercom Please refer to the additional manual Bluetooth functionality for more information about the use of the Bluetooth 5 8 Display lighting Briefly press the button The backlight is activated for about 10 seconds If you wish to deactivate it press the button again Display li...

Page 13: ... stopwatch To activate it 1 Press the STW Stop Watch button 15 StopWatch and 00 00 00 will appear on the display 2 To activate the chronometer press the button At this point you can View the elapsed time by pressing the button To exit the elapsed time viewing press the button again Stop the chronometer by pressing the button To reactivate the chronometer from its stopping point press the button ag...

Page 14: ...e same frequency and on the same CTCSS tone CTCSS tones allow you to share more radio networks on the same frequency and allow you to receive only messages coming from your group To activate a CTCSS tone 1 Push the F button The number of the CTCSS tone blinks 2 Press or to select the desired CTCSS tone 3 Push the button to confirm your selection If you don t want a CTCSS tone select 00 NO FREQ HZ ...

Page 15: ...es in communication the function does not return the radio to reception mode As such this function should be set at the minimum level necessary to guarantee optimum performance 1 Repeatedly press the F key until dL delay appears The VOX icon and the delay currently selected from 01 to 06 will flash on the display 2 Press the o buttons to select the desired delay time Six delay values are available...

Page 16: ...Dual Watch mode and return to normal reception on the currently selected channel press the button or press the F button to access the following menu setting 6 4 Memory channels The transceiver is equipped with 20 memories from 01 to 20 into which commonly used channels can be saved Once stored these channels can rapidly be recalled and scanned 6 4 a Programming of memory channels To store channels...

Page 17: ...channel selected 1 Press repeatedly the F key until the icon flashes Below the current setting blinks VIbra Vibration activated RIng tones activated V r Vibration tones activated 2 Push or to select the desired modality 3 Press to confirm your selection and to return to the stand by mode Alternatively push the F button to access to the following menu setting 6 5 b Roger Beep Every time the PTT is ...

Page 18: ...suggest you consult this chapter before contacting your local service centre 8 1 Reset of functions If your transceiver experiences a logical malfunction improper symbols on the display blocking of functions etc it may not be experiencing a true failure but rather a problem caused by external factors For example it may have an incorrect setting brought on by a noise or spikes in the electrical sys...

Page 19: ... or with noise Signal is extremely weak Temporarily deactivate squelch using the Monitor function 5 5 Your party is too far away and or transceiver antenna is shielded by obstacles in the direction of your party Move closer to your party and or move the transceiver to a less shielded area Other users are using the same radio channel Check the radio traffic on the selected channel and change channe...

Page 20: ...ht g 157 TRANSMITTER Output power 6 Vdc W High power Low power 500mW 100mW Modulation FM Spurious reduction Within European legal terms Deviation KHz 2 5 KHz max Frequency tolerance 2 5PPM 20 C 55 C Current drain 450mA 6V dry cells RECEIVER Sensitivity 12dB Sinad µ Better than 0 35 µV Adjacent channel rejection dB 70 Audio output power 10 THD mW 300 Frequency response Hz 300 3000 Hz Intermediate f...

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