Midland Radio 77235ESP User Manual 16522

Midland Radio Corporation 16522

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Document ID16522
Application ID9cCeNw25CpZBwbQLh5gC/w==
Document Description8
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize20.32kB (254062 bits)
Date Submitted1998-12-16 00:00:00
Date Available1999-02-05 00:00:00
Creation Date2001-07-12 15:12:27
Producing SoftwareAcrobat Distiller 4.0 for Windows
Document Lastmod2001-07-12 15:12:29
Document Title16522.pdf
Document Author: jsoscia

FCC ID: MMA77235ESP
APPENDIX 5
USERS MANUAL
USER’S MANUAL (ELEVEN (11) PAGES) FOLLOWS THIS SHEET
USERS MANUAL
FCC ID: MHA77235ESP
APPENDIX 5
' Your 40 channel CB represents the state of the an in high tech engineering.
This unit Is not only a full feature GB transceiver but incorporates a high
performance 10 channel NOAA weather bureau VHF receiver. The full 10
channel weather receiver allude use on all current and future NOAA weather
bureau channels plus Canadian and intemalional channels. The mit
incorporates microprocessof controlled PLL circuitry for precise tuning aid
increamd function. Receiver noise and interference can now be largely
eliminated by the new ESP® noise reduction system. Also included is a
backlighted Liquid Crystal Display (LCD) digital information center that out»
dates 03’s with LED readouia
How to install your
Midland mobile CB
This transceiver may be installed in any 12 volt negative ground-
syatom carortrucit Alrnosiall cunentU.S. andtoreign vehicles usea
negafivesyfiem, butsomeoldermodelsandsomeneweriagetrwlsmay
have a positive ground.
Check the requirement: for your vehicle before you begin
Installation.
Generally, you have a negative-ground system ifthe minus ( -)
battery wrrninal is oonnemed to the motor block. Corned your dealer in the
event you are unable to determine your vehicle’s polarity syeiem.
Installation and operating accessories furnished with your
Midland CB:
Easy removal mounting bracket system
Microphone bradtet system.
All main-unit and microphone mounting hardvmre needed for normal
installation.
Plug-in micropl'tme with cell cord.
FCC part 95, Subpart D.
Owner‘s Manual.
Pl“?
9’5‘”?
Where to locate your CB transceiver.
Your new Midlald CB is designed to be installed under the dash or
vertically on a omeole of your vehicle.
Safety and convenience are the primary considerations in deciding
exactly where to locate your radio.
Caution: Bewremattheunitislooaedsothatitdoesmtirnerferevmhthe
driverorimpairscceoetoany controls. Comecfing cables must behind
andsecuredinsmhanmnerasnottoimaterewimmeopemionotthe
We,aewlaatorordtheroonVNs..lmfereneeimeitherfl1eurfitor
connectingcablesmayomtnbutetothelossofoorflrolofthevehlde.
Mechanical mounting
Note: Extreme cue diould be exercised when drilling into dash to avoid
damage to under-dash electronic ignition. cruise control. inammerlt and I or
may wiring. Your unit mum be mounted so as nd to interiere with air
bag (SRS)operaion.
Step1: Heedngtheceutionmsethemmtingbracketaselempiatefor
markingthelocmimofscrevmdesmderlhedash. Useanawl, nailorolher
sha'ppoimedobjedtomfltthenual.
Step 2: Drill a 1/8" hole for w screwmle in the mounting bracket. Attach
the bracket to the dash with the 3/8" phlllips machine wows provided.
Step 3: Locate and secure the radio into the narrating bracket eiIoMng
working space for later pm connections»
Power wiring ( negative ground only).
Step 1: lfyouhavenotdetenninedwr-aheryouvehiclehasanegative or
posifivegrmndjosonowflhendiscomedmenegatlveleadfrornthe
batteryto prevent short drcuilsthatcan oocur during wiring.
SH; 3: thh negative ground, connect the red wire (the one with in—line fuse
holder) to either the ( a ) fuse block radio circuit (filtered), ( b ) cigarette
limiter (unfiltered for noise), or(c ) directlylothe positive post on your
battery.
Where you locate your antenna does make a difference.
some general rules for antenna location that an aid CB permanence:
1. Put your antenna mount as high on the vehicle as possible.
2. Thehighertheproporticnofantennalength thalisabovetheroothe
better.
3. if possible, mount the armma in the center of whatever surface you
choose.
4. Kaepantennacabletawaytrom ndsemrm. suchastheignition
syaem. gaugeseiedric fuel pumps, etc.
5. Makesureyou haveaeoiid metal -to-meta| ground.
6. Exercise care to prevent cable damage.
Essentially. you have live Ioeaim choices: the root, gutter, rear deck. lmm
own or rear bumper. Where you decide to lowte your antenna will
determine the type of antenna you inflall. Again consult your Midland CB
dealer for advice and guidance and measure your needs against the
Antenna instahflon.
Follow the manufacturer’s installation instructions mrefully.
Warning: Never operate your CB radio without attaching an antenna or with
a broken antenna able. This wt result in damage to transmitter circuitry.
Tuning your antenna.
Some antennas are factory tuned. However. performance can usually be
improved by slightly Iengtt'rening or shortening its length, using 3 Standing
WaveRadio( SWR ) meter. Fortheexactproeedureswbe used, referto
the antenna manufactmer’s Ingallafion manual.
'- Yoann buyan SWRmetelseparately orhaveyourantennachecked by
your Midland CB Dealsfs service department or a twoway 00mm shop.
77-235ESP
FUNCTION AND LOCATION OF CONTROLS
1514 515 20171157
FRONT
4 1 2 3 3 9 10 11 12 13
EXI’S-MEI'ER
G 6
BACK
MICROPHONE
FRONT PANEL CONTROLS
1. ONIOFF VOLUME: In the off position your trensceivefs power is off. Turn
this control clockwise in switch on the unit md adjust the volume.
2. SQUELCH CONTROL: Adjus this oonlml until background noise ind
disappears. Iftl'ieumtml isadiusledtoofarclockwise itmey muse
muting of weaker signals.
4. MICROPHONE CONNECTOR: Plug in the supplied microphone to this
connector. Theodlarring hasascrewon linking ring. Pushtheringonto
the units collar and screw on until it istight.
5. ROTARY CHANNEL SELECTOR: This easy to operate cofllml allows
changing of weather of CB channel. either up or down. This control will
notoperaewhenemeigencychamewhasbeen selectedbyuslngthe
'EMG" button or when the channel “LOCK" function has been activated.
s. CHANNEL DISPLAY: LCD (liqu'd crystal display) read-out of selemd ca
or weatfer channel.
1. SIRF DISPIAY: LCD reed-om of received signal strength and relative
transmitter putter output.
8. EIG BUTTON: Pres this billion for qu'ck selection of emergency
channel 9. All keyboardbuttonsarelockedothuflrenchamelQis
activated by using the ‘EMG' button. To relum to normal CB operation
9. SCAN BUTTON: This Man when mated and menthesquelch is
cloud mmmnelsmbesmnnedunmasgnal opensthe
squelch. Praeing the buttm again wheels scanning.
10. "IO BUTTON: When this button Is pressed “MIC" will be displayed atd
the microphone will become lea sensitive. Pissing again returns the
mlcrophme to normal operation.
11. CBIWX: This button causes your unit to change modes baween NOAA
weaner bureau receiver and CB operation.
12. DIM: Pressing this button causes the backlighting of the display to
which between dimmed and full bn'gtrrees
13. ESP: Pressing this button controls the ESPQ audio system. Channel
noises are reduwd and voices enhanced when ESPQ is active.
14. TX INDICATOR: LCD indicaor for shouting the unit is transmitting.
15. Rx INDICATOR: This indicator is active when unit is receiving
15. WX INDICATOR: When this indicator is illuminated it indicates your unit
is in lhevvealher receive mode. Weather channels are displayed.
17. “IO |ND|CATOR: When this LCD is illuminated it indicates the
microphone gain is lowered.
18. SCAN INDICATOR: This indicates channel sunning is operating.
19. ENG, INDICATOR: lndkates the ‘EMG” button has been preaed to
select channel 9. The channel selector is locked out in this mode.
20. DIM INDICATOR: This iridlcata display lighting is dimmed.
BACK PANEL
ANTENNA CONNECTOR: Connect a standard 50 ohm CB antenna to this
connector.
s—METER JACK: A DC voltmeter may be connected to thisjack for
precision monitoring of received signal strength.
EXT SPEAKER JACK: When a speaker is connected to this Jack the
inlamal speaker is by-paseed. All received signals will be heard through
the externd speaker when it is connected. The speaker connected to the
“EXT'jacksl’nuldbelstedflBohmandfiwmtsornm.
HOW TO OPERATE YOUR TRANSCENER FOR CB USE
You should become familiarwith the controls and complete the preceding
installatlon instructions before attempting operation of your CB.
1. Adjust the squelch omtml fully counter-clockwise
2. Ratatemeonloffvolumoormol clockwiselommthemiton. Adjtmme
volume tor a mnal listening level.
3. Saleem-e desired channel by the rotary channel selector. Rotate the
squelch control until the background noise is just quieted. You are now in the
receive rmoe.
NOTE: lfthechmneludllnotdiange,d’ieckmatthe'EMGbultoflhasnot
beenpresssd. lnfliiscasepreesm‘EMG'btmonlodeadivateflsflmction
4.TotransmitprecsmePTTbaronthesideofthemicroptholdthe
microphoneztuiiindtefiromyourlipsandspeakinanormalvoioe.
5. To receive simply release thePTTbar.
TO OPERATE YOUR TRANSCEIVER FOR WEATHER RECENE
1. Followstepsl atdZ above.
2. Pm the ‘WX' btmon.
3. 05an the rotary channel selector select the active channel in your area.
How ESP® works to make your CB sound better.
TheESPOnoiseredudicnsystemcondanflynmnprsthesignalstrength
artdfltetypeotmlspreaem Whentriesignatsu-engmisroolowforgood
reception, the receiver sound ls amomaliuily adjusted to dramatically
reducethenoisethacormthrough the speaker. Whilethenoise is
decremedtheadualsoundsyouheedtohearareincleased.
Skipinterferencecancwsemmlesamlmlllngsam Electrical
imaferemefiompmlinesjgdfimwstemsormhermmproduce
lowhumrningandbuzzingnoise. Thesehiyiandlowswndsaremt
neededforcommunicdions ESP®candeiermineihedifierencebetwem
mdesiredminuandsoumtsyouvantloheamdfiltermenoissout.
These results ESPQm accomplishwimomdecreaslng reoeiverrange (it
usually mum rmge). Mostimportantty. ESPOworksbyitsstfanddoes
nctncedtobs listeningwotherESPQequipped DB‘stobe 100% effective.
LIMITED WARRANTY.
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MlDLAND
CONSUIER RADIO
1670 N, Toning
Kansas Cly, Mo 54120
mus-241m. Fax 616-241-5713 E-mnil: midlgngdlandmdiomm
Pm in China
I1
Document Number
RevisionNumber : 0
Issue Date : 9 October, 1998.
Page : Page 1 of 6
—__________—
A. PLL SECTION
1. Test Equipment Required
a. Frequency Counter
b. DC Voltmeter (about 100K ohm)
c. DC Power Supply (133V, 2‘5Amp‘)
NOTE : Figure 1 provides test point and all alignment location infcn'nation.
2. Test Set-Up
P'" ”m °F '°‘ FREEUENCV CEIJNTER
DCVEILT METER
HOT POINT OF C83
111: PINE! SUPPLY
DocumentNumber
RevisionNumber : 0
Issue Date : 9 October, 1998.
Page : Page 2 of 6
3. Alignment Procedure (VCO)
OUTPUT lNDlCATOR ADJUST ADJUSTFOR
CONNECTION
Alignment of Ref. Osc.
Adjust for 4.500
MHz t 20Hz
indifition on
frequency counter
Mic :Recelve
POWER :On
VOLUME :Optlclnal
SQUELCH :Opfional
Channel Selector :
optional
Comer: frequency coun-
ter to PM No.1 of 101
(Figure 2)
Alignment ofVCO
Connect DC voltmeter to
hit point of C83,
(Figure 3)
Mlc :Tx or Rx
POWER :On
VOLUME :Optional
SQUELCH :Optlonal
Channel selector :
Channel 40
Adjust for 3.8V indica-
tion on DC voltmeter.
(Before adjust 17 must
select high vco volt-
age mods.)
Check the indiwtlon on DC
voltmeter (must be over 2.0V). If
DC voltmeter under 2.0V, read-
just T7 and Mum to step 2.
MIC :Tx or Rx
POWER :On
VOLUME :Optional
SQUECH :Opljunal
Channel Selector :
Channel 1
Same as step 2.
DocumentNumber
RevisionNumber : 0
Issue Date : 9 October, 1998.
Page : Page 3 of 6
B. TRANSMITTER SECTION
1. Test Equipment Required
5. RF Power Meier
b. 50 ohm dummy w/ attenuator
c. RF Voltmeter
d. DC Power Supply (13.8V, 2A5Amp)
NOTE : Figure 1 provides test point and all alignment location information.
2a. Test Set—Up
BASE OF 025
FigggS
DocumentNumber
Revision Number : 0
Issue Date : 9 October, 1998.
Page : Page 4 of 6
2b. Test Set-up

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File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.3
Linearized                      : Yes
Create Date                     : 2001:07:12 15:12:27
Producer                        : Acrobat Distiller 4.0 for Windows
Author                          : jsoscia
Title                           : 16522.pdf
Modify Date                     : 2001:07:12 15:12:29-04:00
Page Count                      : 14
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FCC ID Filing: MMA77235ESP

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