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70-440BP
UHF Handheld Transceiver
User’s Manual
Copyright © 2002 by Midland Radio; all rights reserved.
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70-440 User manual In this book… IN THIS BOOK…................................................................................................................................................. 2 WARNING NOTES ................................................................................................................................................. 3 FCC LICENSING INFORMATION.......................................................................................................................
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70-440 User manual Congratulations. 70-440BP is an advanced Professional Radio. Its rugged design allows it to be your reliable partner even during hard working days. Its LCD as well as user friendly controls make the 70- 440BP easy to use. To extend the flexibility of the radio, a “VOX” (Voice Operated Transmit) function has been added which allows switching the transmission just by talking in full hands free condition (with optional headset). Transceiver’s specifications provided in 70-440BP a
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70-440 User manual • Respect the environment conditions. The radio is designed to be used in heavy environments, however avoid exposing it to extremely hot or cold temperature (out of the range between –30 to +60°C). Do not expose the transceiver to excessive vibrations as well as dusty or rainy places. • Never try to disassemble or service the radio by yourself (aside from the routine maintenance described in this handbook). It will immediately void the warranty and you may cause damage requir
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70-440 User manual Conventions and Symbols in this Book This symbol marks a ‘note’. Notes are hints or tips which offer additional information to help you. This symbol marks a ‘caution’. Cautions are special notices, which you should read and follow carefully to avoid possible damage to your equipment and to avoid potential danger to yourself or other people. Key names will be highlighted in bold. Important sentences and words are highlighted in Italic. Page. 5
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70-440 User manual Part Names and their functions Please have a look at the following parts description in order to familiarize yourself with the transceiver’s main parts and controls. Numbers in brackets refer to the illustration. Top [1] Antenna connector. Fit the antenna to this connector (MX thread type). 2 [2] Power ON/OFF knob. Rotate this knob to turn the 1 transceiver on and off. [3] Status LED. Glows in different colors to show the radio’s current status. 3 Front [4] Speaker. The built
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70-440 User manual Side (left and right) [9] Microphone connector. For remote speaker/microphone, headsets for VOX use and 11 other accessories. It must be protected with the 12 supplied plastic cap when not in use. For the related pin connections please see to “Microphone connection”. 14 9 [10] Battery pack. This NiMH battery pack supplies energy to your radio. 13 [11] Release button (located on the battery’s body). 10 Allows to remove the battery pack [12] MON (monitor) button. Enables the lou
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70-440 User manual Setup Unpacking The following items are in the package: (a) Transceiver’s main body (b) Flexible antenna (c) Battery pack NiMH 1,300 mA/h (d) Belt clip (e) Users guide (this book!) If something is missing please promptly advise your supplier. Page. 8
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70-440 User manual Fitting and removing the Antenna To fit the antenna: 1) Locate the antenna terminal (thread MX type) on transceiver’s top. 2) Hold the transceiver with one hand and the base (the thicker part) of the antenna with the other. 3) Attach the included rubber duck antenna to the antenna terminal by turning it clockwise until it is firmly locked. Do not overtighten. To remove the antenna do the same described procedure. At step 3 turn the antenna base counterclockwise. Always have t
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70-440 User manual Installing/removing the belt clip The supplied belt clip allows you to hang the transceiver on your belt or jacket when you are not using the radio. To fit the belt clip onto the transceiver’s body: 1 SLIDE DOWN 1) Gently slide the clip into the appropriate guides located on the transceiver’s battery pack until it firmly locks. To remove the belt clip: PUSH 2) Gently move the latch located between the top LIFT UP of the belt clip and the battery pack towards the 3 belt clip 2
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Basic Operations Switching the radio ON and OFF To switch the radio on: 1) Rotate the “PWR/VOL” knob clockwise until the radio is switched on. The CPU will start an auto test as follows: • LED will glow GREEN, then RED and turn OFF. • LCD will display all segments and icons. The letters "PS"("PASS") will be displayed followed by a long beep. • LCD will display the last operating mode. The self-test goes very fast. 2) After the auto test has been carried out LCD will show the following data: • T
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70-440 User manual Adjusting volume The PWR/VOL knob is used to adjust the RX volume: turn it clockwise to increase or counterclockwise to reduce it. Channel selection Each channel is identified by 2 numeric digits. Channel Channel Freq. MHz. Freq. MHz. Channel Freq. MHz. To select a channel: 1) Press the key to increase the channel number or the key to decrease it. Receiving Your radio can be programmed to work, channel by channel, in “Open traffic” or “GROUP MODE (CTCSS/DCS)”. Group mode
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70-440 User manual Monitor Button The Monitor button can enable or disable “GROUP MODE (CTCSS/DCS)” if programmed for that channel. 1) To enable “GROUP MODE”. Press and release the“MON” button: “SAT” icon is displayed. A Sub Audible Tone mutes your speaker. 2) To Disable “GROUP MODE”. Press the “MON” button: “SAT” icon is not displayed. You are now working in “Open Traffic”. NOTE: if “SAT” icon is never displayed, “CTCSS/DCS” tone is not programmed. “GROUP MODE” function is not available.
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70-440 User manual If the battery icon is "blinking" (Low Battery indication), the Unit will automatically switch to Low Power when transmitting in order to help prolong the Battery's operational life. In this case, two short beeps will be heard when you press the “PTT” key before the radio transmits. Scanning channels Your 70-440BP has three types of scanning available. The most used is Normal Scan. This allows you to scan all the channels you have designated in your scan list (see Creating Sc
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70-440 User manual 1) To activate Priority channel, press the “CALL” + key. A "P" will be displayed in the lower right corner of the display to confirm your selection. 2) Activate scan by pressing “Call” + key. 3) Deactivate scan by pressing “Call” + to remove the Priority channel then press “Call” + to stop the scan. Selecting Dual Watch 1. Choose the second channel you wish to use. Press the “CALL” + key to activate the Priority channel. A "P" will be displayed in the lower right corne
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70-440 User manual Advanced Operations In this section we’ll describe some advanced operation which you can do with your handheld transceiver: Handsfree Transmit (VOX) VOX (Voice Operated Transmit) is an automatic system, which allows you to automatically switch the transmission in hands free mode just by speaking in the built-in microphone of a headset (not provided with the unit). Please ensure that the headset is suitable for your transceiver as reported in the paragraph “Microphone connectio
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70-440 User manual Roger Beep A roger beep will be heard by the other party when “PTT” button is released. To enable or disable Roger Beep “FUNC”: Press the "FUNC" + CALL” keys. Key Beep A beep is heard by the user when any key is pressed with the exception of the “PTT” button. To enable or disable Key Beep: Press the “FUNC” key + “MON” button. Battery Packs Information on rechargeable batteries • When the battery pack is new it will not provide 100% of its efficiency. To reach the full battery
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70-440 User manual • When possible charge battery packs only when they are completely discharged, i.e. when the “low battery” icon flashes steadily. • Do not remove the battery from the charger before the necessary time to provide a full charge. • Provide at least two deep charge/discharge cycles per month. Warnings for battery and chargers use Please use these cautions to avoid damaging battery packs or the transceiver: Before using the battery charger carefully read any related warning or cau
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70-440 User manual Cleaning the radio • Wipe the radio with a clean and lint free cloth to remove dust. If it is very dirty, you can use a damp (slightly moistened with water) cloth. Do not use liquid, alcohol or aerosol cleaners. If you normally use your radio in dusty or hard environments, we do recommend using the optional carrying case. Please see “Optional accessories”. Connectors When the connectors are not being used, they should be fitted with the supplied cover caps. Only suitable
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70-440 User manual supplied belt clip. • Headset with built-in microphone: Will additionally add the VOX facility, For further details please see “Hands free transmission (VOX)”. Any kind of accessory for the above stated purposes can be connected to the microphone connector, provided that they meet the following requirements: • Jack connectors for Speaker (SPK) and Microphone (MIC) must be respectively standard type 3.5 mm and 2.5 mm. and connected as follows: MicGND MIC SPK Spk GND • The sugge
