Related Manuals for Midland 75-440
Summary of Contents for Midland 75-440
- Page 1 75-440 UHF Handheld GMRS Transceiver User’s Manual Copyright © 2003 by Midland Radio; all rights reserved.
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Page 2: Table Of Contents
75-440 User manual In this book… IN THIS BOOK…... 2 ... 4 NTRODUCTION ... 4 ARNING NOTES FCC L ... 4 ICENSING NFORMATION ... 4 AFETY ONVENTIONS AND YMBOLS IN THIS PART NAMES AND THEIR FUNCTIONS ... 7 ... 7 ... - Page 3 75-440 User manual LIMITED WARRANTY ... 28 Page.
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Page 4: Introduction
(with optional headset). Transceiver’s specifications provided in 75-440 are compliant with EIA/TIA 603 and ETS 300 086, The 75- 440 top level design and resistance are compliant with IEC529 level IP54 and MIL STD 810 C,D,E. - Page 5 75-440 User manual • Be sure the “PTT” key is not pressed when you do not need to transmit. • Do not operate the radio near unshielded electrical blasting caps or in an explosive atmosphere. • Do not transmit without the antenna fitted on the radio. Though it is provided with a protection, it may damage the TX output final stage.
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Page 6: Conventions And Symbols In This Book
75-440 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. -
Page 7: Part Names And Their Functions
75-440 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. [1] Antenna connector. Fit the antenna to this connector (MX thread type). -
Page 8: Side (Left And Right)
75-440 User manual Display This section explains the meaning of the various indications that may appear on the LCD of your 75-440 handheld transceiver: Side (left and right) [9] Microphone connector. For remote speaker/microphone, headsets for VOX use and other accessories. It must be protected with the supplied rubber cap when not in use. -
Page 9: Setup
75-440 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 10: Fitting And Removing The Antenna
75-440 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. -
Page 11: Installing/Removing The Belt Clip
75-440 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. SLIDE DOWN LIFT UP Charging the battery pack To charge the supplied battery pack you have to setup the charger and connect the radio as follows: Do not forget to remove the radio from slow charger after 10 to 12 hours. -
Page 12: Basic Operations
75-440 User manual 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. -
Page 13: Channel Selection
75-440 User manual Channel selection Each channel is identified by 2 numeric digits. The FCC assigned GMRS channel frequencies are programmed into your radio as shown in the table below. Channels 1 through 7 are shared with FRS radios. Channel Freq. -
Page 14: Transmitting
TX features will be automatically restored. Adjusting Transmit Power Your 75-440 can transmit with two power levels according to the distance of your party’s station(s). We do recommend, when possible, to use the Low power setting. This will increase the battery life and will reduce the risk of interference with other stations not in your radio network that may be sharing the same channel with you. -
Page 15: Scanning Channels
The third scan type is Dual Watch. This allows you to scan the priority channel and a channel of your choice. You must have more than one channel programmed in the scan list in order for your 75-440 to scan them. The advanced scan function of the radio allows optionally looking for carrier or carrier with “CTCSS”... -
Page 16: Radio Lock
2. The radio will scan the chosen channel and the priority channel (usually channel 1). Radio lock Your 75-440 has been provided with a security function, which protects it against accidental activation of commands. You can lock the radio as follows: To lock the radio: 1) Press the “FUNC”... -
Page 17: Advanced Operations
75-440 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). -
Page 18: Roger Beep
75-440 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. - Page 19 75-440 User manual 199.5 Hz 206.5 Hz 229.1 Hz 254.1 Hz CTCSS CTCSS CTCSS CTCSS Page. 19...
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Page 20: Battery Packs
75-440 User manual 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 run time you have to “run-in” the battery with at least 3-4 deep charging/discharging cycles. After that it will reach its maximum capacity. -
Page 21: Radio Maintenance
75-440 User manual Use only authorized batteries and chargers. The use of non-authorized accessories may cause burns, fire or explosions causing serious damages to the radio/battery or serious injuries to people. Battery chargers are for indoor use only. Be certain that your power source matches the rating listed for the supplied battery charger (AC Adapter). -
Page 22: Optional Accessories
75-440 User manual Optional accessories These optional accessories can be used to improve the transceiver’s performances: • Spare battery pack number 81B02. It extends the duty • Rapid charger number 18-388. Recharges the battery packs in 1 hour and provides trickle charge when they reached their full charge. - Page 23 75-440 User manual • The suggested speaker input impedance is 8 Ohms • The microphone should be condenser low-impedance type. • All accessories should be hi-quality suitable for professional use. Please do not connect any accessory that you are not sure meet the above stated requirements.
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Page 24: Quick Reference
75-440 User manual Quick reference Operation reference 1) Output Power: Press the “FUNC” key to set High or Low Power output. “LOW” icon is displayed to show that you set Low Power output. (high output has no indication) 2) Group Mode: Press the “MON” button to enable/disable GROUP MODE. “SAT” icon is displayed. -
Page 25: Service
75-440 User manual SERVICE: If it ever becomes necessary to return your unit for service: 1. Pack the unit in its original box and packing. 2. Pack the original box in a suitable shipping carton. Improper packing will result in damage during shipment. -
Page 26: Index
75-440 User manual Index Adjusting Transmission Power Volume Antenna fitting/removing Battery charger rapid (optional) standard Battery pack Charging Battery packs cleaning Information on rechargeable batteries Proper changing Warnings for battery and chargers use Belt clip Carrying case Channel selection Charger... - Page 27 75-440 User manual PAGING Power button ON/OFF TX output adjustment Quick reference Operation resume Radio lock Radio maintenance Rapid charger Reception ROGER BEEP Safety Scanning channels Setup Battery pack Belt clip Charging the battery pack Fitting antenna Package contents Unpacking...
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Page 28: Limited Warranty
Midland Radio, Warranty Service Department, 1120 Clay St., North Kansas City, Missouri 64116, or to any “Midland Authorized Warranty Service Station,” or to the place of purchase (if a participating dealer).