Midland 75-785
Contents
1. USER S MANUAL 19 189 MIDLAND 75 785 40 CH AM HANDHELD CB TRANSCEIVER 75 785 represents the state of the art in high tech engineering Designed for 40 channels Citizen Band Mobile operate this transceiver is big in perfonmance The unii useable both in peofessional purposes and private situations such as leisure activities is a quality piece of electronic equipment skilfully constructed from the fines compnents The carcuitry is all a solid state mounted on rugged printed circuit boards It is designed for many years of reliable trouble free performances Your mobile CB has a built 40 channel Phase Locked Loop synthesizer circuit The PLL circuit achieves a new technique for generating all the required frequencies with fewer crystals The result is much tighter frequency control and superior reliability Main features i a a amp amp amp Condensor microphone Ceramic filter delive rs greater selectivity and reduces adjacent channel interference AGC automatic gain control for a constant sound level Avlomatic modulation control for a constant audio transmit modulation level Low distortion IC audio circuit Automatic nioge limiter to reduce pulse noise HI LO switch reduces the output power Antenna with BNC connector Jack for extemal power source and battery changer ADVICES While 75 785 has been designed for many year of reliable trouble free performance i is a precision piece of electronic e2. eee ceeeecceeeeeeeeeseessusecesucepecsapancesenvatensaeeeds 10 C to 55 C Loudspeaker ooo cetece eee eeeseeer scenester D Ohm 0 5 Watt Microphone supa eeaecusauenvanvaneuucaunsavenvenuansacannesn eae Electret type Power supply range 2 0 cece ccc eeeceeece erence serene 13 8Vdc nom 10 gvide 15 6Vde DIMENSIONS oo cece cee ceceecepeavsenenceceauenscureareeeneasensnsesanesuaus 55x 180 x 45 mm Weight ooo ccc eceeecee cee eneee see ececeseeaesecusgueanessecseneerastuserearssierersssssseresseeneees DOO JI Receiver Sensivity Audio output power 10 THD ann Audio distortion Image rejection Adiacent channel sleciviy sent nin signal noise ratio RA consumption Transmitter Output power Modulation bens Audio frequency response Frequency tolerance Harmonic emission suppression Current consumption specifications are subject to change without nifice ear harsiie with double conversion 1 IF 10 965 Mhz 2 IF 455 Khz Less than 1 uW for 10 dB s n H 05 W 8 Ohm Jess than 8 6 1 Khz 65 dB 65 dB m 45 dB 60 M 4 W 13 8 VBC aeran OO 10 95 400 Hz to 2 5 Khz 0 005 __ better than iG dB _ 900 mA without modulation THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES OPERATION IS SUBJECT TO THE CONDITION THAT THIS DEVICE DOES NOT CAUSE HARMFUL INTERFERENCE SERVICE If it ever becomes necessary to return your unit for service P
3. of your vehicle using the supplied power cord the plug center conductor must be connected to the positive of the power source The jack besides permits the recharge of Ni Cd batteries through an optional charger Attention to recharge these batteries switch the interrupter inside the battery compartment onto the NI position CB COMMUNICATION CODES Radio operators have universally adopted the 10 code for standard communications it enables them to communicate more esily in noisy surroundings Hereselow you ll find some of the most common codes and their meaning Code Meaning TOO cetecieeteeeereseesereeserseeees Stp transmitting TOA eeeeeeeeerteerreereeerereereee OK UNderstood TOP oe eeeeeeeseeeeeeeses OUT Of Service leaving air 10 b eraa HN Seice Subject to call 10 8 eee Please repeat TO 10 ol neeaae Transmission completed standing by TO 15 0c Od advices weather conditions 10 4 eceeeeeeeeeesesseeeeeeeseree ee What IS your focation VOT eee eee eres ereeerereeees SWC to channel WEZ CANNOT receive use phone FOF O eee aaran Fire at 10 200 Police needed at SPECIFICATIONS General Channels o oo eee cece eeeceeeaceeeecceuversusenaverencasenseuaeavansuuesen wooee 40 AM Frequency range 0 2 ceccecseeececsessnenearsereussereaeesenanecens _ 26 965 27 405 Mhz Frequency COMM ooo cece ce ese ceeeenaestseeceneaueesuneeauatsnsceceecgseseu sees PLL Temperature range ccc c
4. 9 AA type alkaline or Ni Cd batteries Nole alkaline balternes are not rechargeable 17 Belt clip 18 Hole for wrist belt 16 HOW TO OPERATE WITH YOUR TRANSCEIVER 1 Insert the antenna to the antenna connector Insert 9 AA alkaline or Ni Cd batterise into the battery compartment pay attention to the polarity When using Ni Cd batteries switch the interrupter inside this compartment to Ni positon in this way the Ni Cd batteries can be charged by an optional charger Select the AU position when using the alkaline batteries 3 Rotate the ON OFF volume controt clockwise to tum the unit on Adjust the volume for a nomal listening level 4 Adjust the SQUELCH control gt select the desired channel by the UP DOWN buttons To transmit press and hokt the PTT button then talk to the microphone To receive simply release the PTT button ANTENNA The 75 785 antenna connector permits to use any kind of 50 Ohm 27 Mhz band antennas Being the allowable transmitting power limited by the regulations the antenna is determining as fo the radio s transmission and reception range Better achievements both in RX and FX can be obtained by a telescopic antenna The supplied rubber antenna however is more compact and pratica to use it is suitable for communications where maximum range is not necessary POWER JACK RECHARGE This jack enables you to power the unit by an extemal power source or directly with the battery
5. ack the unit in its original box and packing Improper packing may result in damage during shipment Include a full description of any problems Include your telephone number You do not need to return accessory items brackets screws power cord antenna etc unless they may be directly related to the problem Include a photocopy of the bill of sale or other proof of purchase showing the date of sale This information must be included before warranty service can be considered LIMITED WARRANTY Midland Consumer Radio Inc will repair or replace at its option without charge any Midland Mobile high power portable FRS or Base Station Citizens Band transceiver which fails due to a defect in material or workmanship within one year following the initial consumer purchase This warranty does not include any carrying cases earphones or telescoping antennas which may be a part of or included with the warranted product or the cost of labor for removal or re installation of the product in a vehicle or other mounting Performance of any obligation under this warranty may be obtained by returning the warranted product freight prepaid along with proof of purchase date to Midland Consumer Radio Inc Warranty Service Department 1670 North Topping Avenue Kansas City Missouri 64120 or to any Midland Authorized Warranty Service Station or to the place of purchase if a participating dealer Warranty information and the location of the ne
6. arest Midland Authorized Warranty Service Station may be obtained by writing Midland Consumer Radio Warranty Service Department This warranty gives you specific legal rights and you may also have other rights which vary from state to state Note The above warranty applies only to merchandise purchased in the United States of America or any of the territories or possessions thereof or from a U S Military exchange For warranty coverage on merchandise purchased elsewhere consult the supplemental warranty information included with this product or ask your dealer Midland Consumer Radio 1670 N Topping Kansas City Mo 64120 Printed in Thailand
7. ckground noise disappears 3 On Off Volume control In OFF position your transesiver is off Tum this control Clockwise to switch on the unit Tum the knop clockwise a litter more to sel the audio level until you get a comfortable reception 4 Display Indicates the selected channel from 1 to 40 The display tums off when the squelch is operative 5 BATT LOW LED This indicator lights when the battenes are low Replace the alkaline or recharge the AA Ni Cd batteries 6 TX LED The indicator lights when the unit is transmitting T Speaker 8 Microphone during transmission keep your month 4 cm far from the unit and speak with a normal fone of voice to the microphone 9 Push to talk button PTT By pressing it the transmitter is activated When released you activate the receiver 10 Channel UP button To skip to the next channel Keeping this button pressed the autorepeat function is obtained 11 Channel DOWN button To skip to the previous channel Keeping this button pressed the a utorepeat function is obtained 12 SPK jack extemal loudspeaker jack the intemal loudspeaker is excluded 13 PTT MIC jack PTT jack extemal microphone 14 13 8 Vde CHARGE Power supplyichange jack You can charge the unit from extemal sources car battery ete and to recharge the Ni Cd batteries 15 HULOW interrupter It selects the output power level during trasmission 16 Battery compartment Insert
8. quipment that should not be exposed to water or to extreme temperatures Do not leave batteries installed over a long period of time as leakage may occur and this can destroy the radio Never use different batteries from the onces suggested Clean the unit with a damp cloth only do not use harsh chemicals CARE OF OPTIONAL RECHARGEABLE NECD BATTERIES The following is meant as general information regarding Ni Cd batteries Abvays allow the battery to fully charge befor using Allow the batteries to fully discharge before recharging Full discharge will be indecated by the BATTILOW indicator The above will prevent the batteries from developing memory which effectively reduces their capacity itis better to store Ni Cd batteries that are discharged rather than charged Never use batteries which difier from the ones recommended Do not mix old and new battenes or batteries of different capacities Ifyou experience problems when using the transceiver check the following A Batteries must be in good condition B The volume level and the squelch control setting CG The channel selector for an active channel D The antenna must be property inserted CONTROLS AND INDICATORS 1 Antenna connector with BNC connector type To obtain better results use either a telescopic or an extemal antenna 2 Squelch knop for the maximum receiver sensivity the control must be regulated exacth where the receiver ba
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