Table of Contents
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Table of Contents
Related Manuals for Midland 445 BT
Summary of Contents for Midland 445 BT
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Page 2: Table Of Contents
Table of Contents 5.7 Bluetooth button ..............11 5.8 Display lighting ..............11 5.9 Keypad lock ................11 INTRODUCTION ................2 5.10 Use of CALL button.............. 11 2 ABOVE ALL… SAFETY! ..............3 5.11 Clock mode ................11 2.1 Symbols used ................3 5.11.a Setting the time............11 2.2 Warnings ................3 5.12 Chronometer mode ..............12 2.2.a General ................3 6 ADVANCED FUNCTIONS (F BUTTON) ........3 2.2.b Batteries ..............4 6.1 CTCSS subaudio tone selection . -
Page 3: Introduction
INTRODUCTION • Dual Watch (to scan 2 channels of your choice) • Keypad/switching on tone selectable on/off • Keypad lock/unlock 445 BT is a licence free PMR446 transceiver for use in all existing • CALL button to send an acoustic signal to other users EU countries (in Italy, PMR446 radios are subject to general • UP/DOWN controls for the channel selection authorisation). Its use is also permitted in some non EU countries •... -
Page 4: Above All
-5° to +55°C° range. Also avoid exposure to direct sunlight, warnings, advice, and/or other important information. jarring, and excessive vibration. Ignoring these symbols may result in serious problems and/ Before using the radio, ensure that all protective covers are or damage and/or personal injury. in perfect operating condition, in order to ensure maximum Notes such as this one indicate practical advice that Midland suggests protection against humidity and atmospheric agents. be followed for the optimal performance of 445 BT. Although this radio was designed to be water resistant, avoid Important sentences and words have been underlined. getting it wet as much as possible and do not let any liquids fall on it. If the transceiver or one of the accessories gets wet, dry it off as soon as possible with a soft, clean cloth. If 2.2 Warnings you feel that liquid may have penetrated the radio’s housing, 2.2.a General... -
Page 5: Batteries
2.2.b Batteries of inappropriate extension cords may cause fire or electrical shocks. Before using the battery charger, carefully read all notes and cautions regarding this equipment. Do not expose the batteries directly to temperatures outside Do not short-circuit the battery terminals: doing so may the -20°C to +35°C range during storage and do not charge result in fire, burns, or explosions. them in temperatures outside the +5 to +55°C range. Never throw batteries into a fire or expose them to high temperatures;... -
Page 6: Description Of Parts
3 DESCRIPTION OF PARTS • SPK, MIC(PTT), CHG - jack sockets respectively for the speaker and external microphone or PTT. Used together, these are used for connection of optional accessories, such 3. Description of parts and commands as microphones, speakers, head/earphones, etc. Also, the CHG socket is used for connecting a charger like the (optional) MW904 wall battery charger and the 12V cigarette lighter charger (optional). -
Page 7: Display Symbols
17. CLOCK button - activates the clock function. B) Call - indicates that the two-tone audio call is activated. 18. Bluetooth button - activates the Bluetooth feature C) Roger Beep - appears on the display when the Roger Beep 19. Belt clip fastener - for connecting the radio to the belt clip. feature is activated 20. Cover of battery compartment - holds four AA batteries D) Keypad tones - indicates the activation of tones to confirm when (rechargeable 1.2V NiMH, or alkaline 1.5V) to supply your buttons are pressed. -
Page 8: Preparation
4 PREPARATION • Rechargeable 1.2V NiMH - available in various capacities (in mA/h). Higher battery capacity allows for greater duty, but requires longer recharging time. Before using your transceiver, ensure that your package contains: • Non-rechargeable 1.5V alkaline. • The transceiver For installing/removing the batteries, it is not necessary to remove • The belt clip the belt clip (procedure outlined in par. 4.1), however, this does • The user’s manual (this manual) If any part is missing or damaged, contact your supplier as soon as make it easier to access the batteries. possible. Do not install a combination of rechargeable and alkaline In order for the device to function, you will require four AA batteries, batteries in your transceiver. Always use 4 AA batteries of either 1.2V NiMH rechargeable or 1.5V non-rechargeable alkaline. -
Page 9: To Remove The Batteries
4.3.a MW904 wall battery charger and 12V charger Ensure you have properly closed the battery compartment 1. Ensure the radio is turned off (it should better remain off for the cover. entire period of charging, otherwise the charging time will be longer- only trickle charging may be possible). 4.2.b To remove the batteries: 2. Lift the rubber flap on the right side of the transceiver. 1. -
Page 10: Proper Use Of Rechargeable Batteries
4.3.b CA445 Intelligent, table-top battery charger 4.4.a Memory effect This battery charger rapidly charge batteries and detects when Rechargeable NiMH (Nickel-Metal-Hydrate) batteries are virtually charging is complete.At this point it automatically switches to trickle unaffected by the “memory effect”. This phenomenon is associated charge. with a drastic reduction of battery autonomy and is triggered if the 1. Insert the transceiver, with the charging contacts facing batteries are regularly charged before having lost at least 50-75% downwards, into the CA445 battery charger slot, then connect the of their power and/or are not completely recharged. To avoid the... -
Page 11: Standard Functions
5 STANDARD FUNCTIONS (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 5. Turning on/off 445 BT been automatically activated. When 445 BT receives a signal the Turn the ON/OFF/VOLUME knob clockwise until it clicks on: the LCD following will happen: display will come on, and you will hear a beep (acoustic signal). • The BUSY icon will appear on the display, along with the The LCD display backlight will automatically turn off after 10 icon, which indicates the strength of the incoming signal (the seconds in order to save energy. The display will remain active. -
Page 12: Monitor Function
The transceiver is factory preset to transmit on high power. relative transmission power. 5.7 Bluetooth button 5. Clock mode To pair a Bluetooth device and activate/deactivate the This mode allows the user to see the current time on the LCD display. Bluetooth To activate this, briefly press the CLOCK button. 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 5.11.a Setting the time of the Bluetooth. 1. In clock mode, briefly press the button. The hour will begin to... -
Page 13: Chronometer Mode
5.2 Chronometer/Stopwatch mode flash on the LCD display. 2. Press the or buttons to change the hour. 445 BT is equipped with a built-in stopwatch. 3. Briefly press the button again. The minutes will begin to flash To activate it: on the LCD display. 1. Press the STW (Stop Watch) button (15): StopWatch and 00: 00:00 will appear on the display. 4. Press the or buttons to change the minutes. 2. To activate the chronometer, press the button. At this point, you 5. Briefly press the button again to confirm the time. -
Page 14: Advanced Functions (F Button)
6 ADVANCED FUNCTIONS (F BUTTON) If you don’t want a CTCSS tone, select 00. FREQ. (HZ) FREQ. (HZ) FREQ. (HZ) The F button enables the user to access the transceiver’s advanced 67.0 107.2 167.9 functions and to change settings as required: CTCSS tones, VOX 71.9 110.9 173.8 mode, memory programming and recall, channel scanning, etc. In 74.4 114.8 179.9 general terms, to recall/change settings for various functions: 77.0 118.8 186.2 1. Press the F (Function) key repeatedly to scroll through the 79.7 123.0 192.8... -
Page 15: Activation/Deactivation Of Vox Mode
the radio to reception mode. As such, this function should be set at VOX is equipped with two settings (sensitivity and delay), which the minimum level necessary to guarantee optimum performance. allow for optimal use, as explained below. 1. Repeatedly press the F key until dL (delay) appears. The VOX If you use an external microphone, remember to replace icon and the delay currently selected (from 01 to 06) will flash on the rubberized protective flap on the radio after you have the display. -
Page 16: Activating Dual Watch
6.4 Memory channels or press the o keys to begin channel scanning again. • If the communication is of interest to you, you can halt scanning The transceiver is equipped with 20 memories (from 0 to 20) into by briefly pressing the or PTT buttons. which commonly-used channels can be saved. Once stored, these 4. To exit the scanning mode and return to Stand-by on the currently channels can rapidly be recalled and scanned. selected channel, press the button, or press the F button to access the following menu setting. 6.4.a Programming of memory channels To store channels in the memories, follow the steps outlined below: Scanning can only be executed on commonly-used channels . For further details, refer to par. 6.4.c. 1. Repeatedly press the F key until the Mem icon flashes on the display below the small memory number (from 01 to 20). The 6.3.b Activating Dual Watch channel currently selected will also begin to flash (large numbers). -
Page 17: Memory Scanning
the memory is free. current setting blinks (VIbra =Vibration activated, RIng = tones 3. To select the stored channel: press the o buttons and then the activated, V+r=Vibration + tones activated). PTT: Your radio will now operate on that channel. 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 6.4.c Memory scanning menu setting. To scan the stored channels only, follow the steps outlined below: 1. Repeatedly press the F key until the Mem and Scan icons are 6.5.b Roger Beep flashing simultaneously on the display. -
Page 18: Cleaning And Maintenance Of Your Radio
7 CLEANING AND MAINTENANCE OF 8 TROUBLESHOOTING YOUR RADIO Your 445 BT is designed to provide you with years of optimal performance. If for some reason a problem should arise we suggest 7. Cleaning the radio you consult this chapter before contacting your local service centre. Carefully rub the radio using a soft, clean cloth that does not have loose fibers. If the radio is very dirty, slightly dampen the cloth with a mixture of water and a neutral soap. 8. Reset of functions Do not use detergents, alcohol, solvents, or abrasives. If your transceiver experiences a logical malfunction (improper While cleaning the radio, always keep the rubber flap over symbols on the display, blocking of functions, etc.), it may not be... -
Page 19: Solution Table
8.2 Solution table Problem Possible Cause Solution 445 BT does not turn on The batteries are not charged and/or are not Ensure the batteries are charged and correctly correctly inserted inserted in the radio 445 BT turns off as soon as it is The batteries have lost their charge If the batteries are alkaline (non-rechargeable), turned on substitute them; otherwise, charge your NiMH batteries. 445 BT turns on, but does not The volume is too low Adjust volume level receive signals... -
Page 20: Technical Specifications
9 TECHNICAL SPECIFICATIONS Current drain < 450mA / 6V (dry cells) GENERAL RECEIVER Channels 8 PMR 446 + 2.4 GHz Sensitivity @ 12dB Sinad µ Better than 0.35 µV Bluetooth Frequency generation PLL synthesizer Adjacent channel rejection Standard frequencies MHz CH1:446.00625 Mhz Audio output power (10% 300 CH2:446.01875 Mhz THD) CH3:446.03125 Mhz CH4:446.04375 Mhz Frequency response 300 - 3000 Hz CH5:446.05625 Mhz Intermediate frequencies MHz 1°: 21.7MHz - 2°: 0.450MHz CH6:446.06875 Mhz Squelch Automatic CH7:446.08125 Mhz CH8:446.09375 Mhz CONNECTIONS Channel spacing KHz 12.5 KHz Socket for ext mike Jack stereo 2,5 mm Power supply from 4,8 to 6 (4 AA NiMH...