Midland Radio 75511 User Manual

Owner’s Guide

Model 75-511 14 channel FRS

with 38 CTCSS codes

OPTI ONAL ACCESSORIES FOR YOUR RADIO........................................2

TIPS FOR GETTING THE MOST FROM YOUR 75-511.............................4

A NOTE ABOUT THE CTCSS CODES.................................................................4

PREPARATION ........................................................................................4

BATTERIES.............................................................................................................4

To Install Batteries:.............................................................................................. 4

Low Battery Indicator:..........................................................................................5

Instructions for optional charger...........................................................................5

BELT CLIP...............................................................................................................6

QUICK USE INSTRUCTIONS:................................................................... 6

Operating the Radio.................................................................................6

TO OPERATE HANDS FREE VOX........................................................................6

Setting VOX Functions............................................................................................. 7

TO ENABLE / DISABLE VOX MODE................................................................... 7

DISPLAY SYMBOLS.............................................................................................. 7

TO TURN THE RADIO ON OR OFF......................................................................8

TO CHANGE THE CHANNEL IN USE..................................................................8

ACTIVATING SCAN FUNCTIONS........................................................................8

Busy Channel Scan:.............................................................................................. 8

Activating Dual Watch..........................................................................................8

TO USE CALL BUTTON.........................................................................................9

TO ENABLE/DISABLE “ROGER-BEEP”..............................................................9

TO ENABLE / DISABLE KEY BOARD LOCK......................................................9

POWER SAVE CIRCUIT.........................................................................................9

USING THE MONITOR FUNCTION......................................................................9

ACTIVATING “PRIVACY” CODES.....................................................................10

To activate “CTCSS” codes............................................................................... 10

TROUBLESHOOTING............................................................................ 11

Cannot Receive Messages...................................................................................... 11

Range is Short.........................................................................................................11

Interference/Static................................................................................................... 11

CARE OF RECHARGEABLE NI-CAD AND NI- M H BATTERIES ................. 11

SERVICE:..............................................................................................12

CHANNEL FREQUENCIES...................................................................... 13

LIMITED WARRANTY............................................................................ 14

OPTIONAL ACCESSORIES FOR YOUR R ADIO

Accessory Name Model Number
Standard Ni-Cad Charger ………………………………………..18-396

Ni-Cad batteries ...........................................(Three Required)....18-Batt

Desk Charger stand……………………………………………….18-383
Dual Desk Charger stand………………………………………….18-385

2

Lapel Microphone with Earbud Speaker………………………….22-405
Speaker/Microphone………………………………………….…...22-411
Stealth Type Noise Canceling Throat Mic with Earbud…………..22-430
Boom Microphone Headset ……………………………………….22-540
Call 1 816 241 8500 ext. 200 to order accessories

THIS RADIO COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS
SUBJECT TO THE CONDITION THAT THIS DEVICE DOES NOT CAUSE
HARMFUL INTERFERENCE.

Your Midland model 75-511 brings the new FRS (Family Radio Service) to your
fingertips. The Family Radio Service is provided for by the FCC and is totally license
free. For the first time business and the general public can use the quiet UHF FM band
for personal communications at no charge. The 75-511 uses maximum allowable
po w er fo r r ange up t o 2 mil es . Use f or fi shi ng, hunting, pi c nic s , b iki ng, bus ine s s, or
any other activity where communi cations ar e needed for convenience or safety. The
model 75-511 operates on 14 channels to provide the best in quiet and private
communication. Also this radio offers power save, and auto-squelch.

3

TIPS FO R GETTIN G THE MOST F ROM YOUR 7 5-511

Due to the band of operation (462/467 MHz) the 75-511 provides communications that
are virtually free of atmospheric interference (skip) that is common on lower
frequency bands. Along with this and an antenna system that is very efficient as
compared to other unlicensed radio bands, communications range is surprisingly good.
Many times the limits to maximum possible range are environmental factors such as
blockage caused by trees, buildings, hills, or other obstructions. If you find
communication is not possible, many times this can be overcome by moving only a few
feet to a new location. Range may be reduced while operating in a vehicle or from
inside to outside a metal building. Battery condition also affects range. The 75-511
operates best on a lkaline batteries. While this unit has been designed with gaskets for
w ate r re si s ta nce and rugge dne s s i t i s a pr ec i si on pi e ce o f el ec tr oni c e qui pme nt t hat
should not be exposed to w ater or handled carelessly. Normal care should result in
years of trouble free operation. Do not leave batteries installed over a long period of
time as leakage may occur that can destroy the radio. Always save your receipt, as it is
required for warranty consideration.

A NOTE ABOUT THE CTCSS CODES

This radio incorporates 38 CTCSS (Continuos Tone Coded Squelch System) codes
that, when activated, prevent the user from he aring other radi os that do not have the
same code. These codes
di fficul tie s conta cti ng or heari ng othe r radio s i n your gr oup make s ure the
code is set the same on all radios. If you are using the 75-511 where interference from
other radios or electrical devices are present, enabling the
mute the interference. Many times interference will be noticed by the presence of loud
static from the speaker.

make your c onve rs ati on pr ivate . If yo u exp erie nce

do no t

CTCSS

codes will usually

CTCSS

PREPARATION

BATTERIES

75-511 radios operate with 3 AA Alkaline, Ni-Cad (nickel cadmium) or Ni-MH
(nickel metal hydride) batteries (optional). Ni-Cad batteries provide about 15 hours of
use. Alkaline batteries w ill provide about 45 hours of use and Ni-MH batteries will
provide about 24 hours of us e. If the 75- 511 is supplied w ith Ni-Cad batteries and a
wall charger, Ni-Cad batteries must be charged prior to use. Charge at least 10 hours
with the standard charger . If you are usi ng Ni-MH batteries charge at least 24 hours.

DO NOT attempt to charge any type of Alkaline batteries in this radio.

To Install Batteries:

Hold the radio face down. Press the latch so it swings away from the cover.

1. Lift the battery cover slightly. Gently slide the cover off the unit.

2. Insert 3 AA batteries observing the proper polarity.

3. Replace the battery cover over the batteries and fasten with the latch.

4

Low Battery Indicator:

The battery icon in the lower left of the display will flash when the batteries are in
need of charging.

Instructions for optional charger

Install NI-Cad (nickel cadmium) batteries observing their polarity. Plug the 18-396
charger into any 110/115 V wall socket. Plug the cord into the jack on the

bottom of the radio under the rubber plug marked “

for at least 10 hours.

DO NOT attempt to charge any type of Alkaline batteries in this radio.

”. Charge the batteries

CHG

5

BELT CLIP

The 75-511 comes standard with a belt clip. Attach it to the radio back by sliding the
top of the clip up over the two rectangular bosses on the back of the radio until it snaps
into place. To detach the belt clip, press the lever inside the top of the clip away from
the radio body and slide the clip toward the bottom of the radio.

QUICK USE INSTRUCTIONS:

1. Install fresh alkaline or fully charged Ni-Cad or Ni-MH batteries.

2. Turn the unit on by turning the ON/OFF/VOLUME clockwise until a click is

heard.

3. Use the ON/OFF/VOLUME control to adjust the volume. To test the volume

setting, press and hold the “MON” button so static noise can be heard. The
noise can be used as a reference level for volume setting.

4. Choose PTT or VOX transmit control with the button on the front of the radio.

5. To talk press the PTT (push to talk) button on the left side of the radio and talk

in a normal voice into the front of the radio about three inches away from your
mouth.

6. To use “VOX” press and hold the “VOX” button for 1 second and talk into the

front of the radio or the headset microphone. (head set is recommended)

7. To listen release the PTT button. If in VOX stop talking.

Operating the Radio

TO OPERATE HANDS FREE VOX

(VOICE OPERATED TRANSMIT)
To get the most use from the “VOX” feature you must first determine what sensitivity
level is needed to activate the “VOX” control. Sensitivity is how loud you have to talk
to activate the “VOX” circuit. The “VOX” has three levels of sensitivity that can be
adjusted. The 1 option you can talk in a normal voice with no background noise to
activate the “VOX” circuit. The option 2 will require more voice level to activate the
“VOX” circuit. This is useful in slightly noisier areas that might activate the “VOX”
without talking. The option 3 will require the most voice level to activate the “VOX”
circuit. This will be useful in very noisy areas. The next adjustment is the delay. This
is a function of the “VOX” that keeps the radio in transmit mode after you stop talking.
A delay that is set to short will cause the “VOX” circuit to stop between some words.
The delay is adjustable to three levels. Level 1 will give about one half second of
delay, level three will give you about one and one half seconds of delay. By activating
the “VOX” you only have to talk into the front of the radio or use a headset to make the
radio transmit. The PTT (push to talk) button is not functional in “VOX” mode. It is
recommended to use a headset when using the “VOX” feature.

NOTE:

for instructions.

It is recommended to disable the Roger Beep when VOX is in use. See page 8

6

Setting VOX Functions.

Setting VOX Levels

1. With the radio in the off position, press and hold the “CALL” button and turn the
radio on. The display will show “L” followed by a 1, 2 or three depending on

previous settings.

2. Press the channel “UP” or “Down” buttons to select the level desired.

!

As described earlier L 1 will be the most sensitive and L 3 will be the least

sensitive.

3. Press the “F” button to switch to the Delay setting. A “d” followed by a d1, d2 or
a d3 will show on the display depending on previous settings.

4. Press the channel “UP” or “Down” buttons to select the level desired.

!

As described earlier d 1 will be the shortest and d 3 will be the longest delay.

5. Press the “ENTER button to store your settings and return to normal operation
mode.

TO ENABLE / DISABLE VOX MODE

Press and hold the “VOX” button on the front of the radio. Follow the setup
instructions as described earlier.

DISPLAY SYMBOLS

CAUTION: DON’T EXPOSE THE DISPLAY TO EXTREME HOT OR
COLD TEMPERATURE

1. Channel number:

2. BUSY Symbol:

3. TX Symbol:

4. CTCSS Code:

5. SCAN Symbol

6. CTCSS Symbol:

7. SAVE Symbol:

8. Musical note

9. Key Symbol
“CALL”

buttons are active when this indicator is on.

Displays channel number 1-14.

Indicates activity on the channel.

Indicates the unit is transmitting.

Displays the number of the code selected for the channel in use.

Indicates the scan mode is in use

Indicates a “Privacy” code is in use.

Flashes indicating battery save is active.

indicates

indicates when the keypad has been locked. Only the

ROGER BEEP

is on.

“PTT”

7

and

10. BEEP

11. DW Symbol:

12. VOX Symbol:

13. Battery symbol

FEATURES AND LOCATION OF CONTOLS

TO TURN THE RADIO ON OR OFF

The ON/OFF/VOLUME control at the top of the radio controls power and volume. A
series of tones will be heard confirming that radio is working.

TO CHANGE THE CHANNEL IN USE

Press and release the channel button /\ or \/ to select the desired channel. To change
channel rapidly, press and hold the channel button /\ or \/ until the desired channel
appears on the display.

ACTIVATING SCAN FUNCTIONS

The 75-511 has two scan modes. The most popular and most used is the
channel scan. This allows the radio to stop on a channel that someone is talking on.
When the radio stops on a “Busy” channel, the scan will stop and resume after about 5
seconds. The other is
This is useful when you want to keep track of two other people.

Busy Channel Scan:

1. Press and release the

2. Press and release the

!

!

indicates the button press tone and power up tones are active.

Indicates Dual Watch channel selection is active.

Indi cates

when this indicator displays 2 or fewer segments of the battery.

will now begin scanning through the channels.

Pressing the

channels are scanned up or down.

Pressing the

and return to normal operate mode.

“VOX”

shows the battery condition. Replace or recharge the batteries

“DUAL WATCH”

”F”
“UP”

or

“UP”

“PTT”

(push to talk) button w ill cause the radio to stop scanning

is activated

. This allows you to scan only two channels.

button the ”SCAN” icon (2) will begin flashing.

or

“DOWN”

“Down”

channel button to activate scan. The unit

channel button during scan will determine if the

“BUSY”

Activating Dual Watch

Dual watch is a function that allows you to scan only two channels.

1. Select channel one.

2. Press the

3. Select the second channel to be scanned.

!

About 1 sec ond afte r yo ur se le cti on of the se cond channel is compl ete the

radio will begin switching between the two channels.

!

When the radio hears activity on either channel, scanning will stop on that

channel for about 5 seconds and then resume scanning.

button three times until

“F”

“DW”

8

(3) is flashing.

!

If communication is desired on the channel scanning stopped on, press the

button. This will deactivate Dual Watch and allow you to communicate

“PTT”

normally.

4. To reactivate Dual Watch repeat steps above.

TO USE CALL BUTTON

Press and release the CALL button. A call signal of alternating tones will be sent for
about 2 seconds. Both radios must be on the same channel and the radios must be
turned on.

TO ENABLE/DISABLE “ROGER-BEEP”

The radio transmits a rapid tone sequence when the PTT button is released if this
feature is active. The default condition is for the “roger beep” to be off.

1. Press the “F” button until you on the display “oF” (depending on previous
programming) with a music note  (7) flashing in the display.

2. Press the channel /\ or \/ buttons to select off or on.

!

3. Press "

TO ENABLE / DISABLE KEY BOARD LOCK

To enable the KEY BOARD LOCK press and hold the “ENTER” button for 2
seconds. The display will contain a key symbol (10). PTT, MON and CALL buttons
will still be active. The “ENTER” button will also activate the back-light for 5
seconds. When radio is in lock mode and any other keys are pressed a tone will be
heard. To disable the KEY BOARD LOCK, press and hold the “ENTER” button for 2
seconds.

is roger beep off. “oN” is roger beep on.

“oF”

ENTER

" to store your selection.

POWER SAVE CIRCUIT

This part of the operation of the radio is completely automatic and not adjustable.
When the radio has not transmitted or received a signal for about 8 seconds it will
begin to cycle from a sleep mode to fully on. This occurs several times a second. If a
signal is received or you cause the unit to transmit the radio will become fully awake.
This cycling from sleep to fully on increases the standby battery life more than 50%.

USING THE MONITOR FUNCTION

1. Press and hold the

!

This allows you to override the squelch and the
useful to monitor the channel before you transmit to ensure there is not someone
usi ng the c hannel w hen you hav e
useful if you suspect someone in your group does not have the proper

“CTCSS”

2. Release the

“MON”

tones programmed.

“MON”

button (2) on the side of the radio to open the squelch.

“CTCSS”

“CTCSS”

button to restore the squelch to normal.

9

tones programmed. This is also

tones. This is

ACTIVATING “PRIVACY” CODES
To activate “CTCSS” codes

1. Press the

upper left of the display to flash.

2. Press and release the

you desire.

3. Press “

!

A code of “oF” means no code is programmed.

!

You must do this for each of the channels you want

!

Activating the “
that is not using the same “
conversation private.

4. If you wish to set another channe l for CTCSS code, choose a di fferent code than

the ones in use.
The follow ing is a li st of frequencies of the CTCSS codes. Different brands of radios
may use a different number code for the frequencies. For operation wi th other brands
of radios the selected CTCSS frequency must match.

01=67.0 Hz 11=97.4 Hz 21=136.5 Hz 31=192.8 Hz
02=71.9 Hz 12=100.0 Hz 22=141.3 Hz 32=203.5 Hz
03=74.4 Hz 13=103.5 Hz 23=146.2 Hz 33=210.7 Hz
04=77.0 Hz 14=107.2 Hz 24=151.4 Hz 34=218.1 Hz
05=79.7 Hz 15=110.9 Hz 25=156.7 Hz 35=225.7 Hz
06=82.5 Hz 16=114.8 Hz 26=162.2 Hz 36=233.6 Hz
07=85.4 Hz 17=118.8 Hz 27=167.9 Hz 37=241.8 Hz
08=88.5 Hz 18=123.0 Hz 28=173.8 Hz 38=250.3 Hz
09=91.5 Hz 19=127.3 Hz 29=179.9 Hz 00=OFF
10=94.8 Hz 20=131.8 Hz 30=186.2 Hz

button twice to cause the icon

“F”

or

“UP”

ENTER”

to store the code setting for that channel.

CTCSS”

code will prevent you from hearing any conversation

“DOWN”

CTCSS”

“CTCSS”

buttons to select the

code. This does not make your

to be displayed in the

code

CTCSS

“CTCSS”

codes on.

10

TROUBLESHOOTING

PROBLEM SOLU TION
No Power 1. Check battery installation and/or replace batteries

Cannot Receive Messages

Range is Short

Inte rference/Static

1. Make sure the volume is set high enough.

2. Change your location, you may be out of range.

3. Install batteries properly or replace.

1. Operating the radio in a vehicle or metal building
will decrease the range. If possible operate outside of
vehicles or buildings.

2. Carrying the radio so that the antenna is very near
the body will decrease the range. Hold the radio in the
open for the best range.

3. Battery condition can affect range. Replace or
recharge batteries.

1. Change your location. The interference may be
caused by nearby electronic or electrical equipment.

CARE OF RECHARGEABLE NI-CAD AND NI-MH BATTERIES

ALWAYS DISPOSE OF BATTERIES PROPERLY

Always follow the battery manufacturer's recommendations for charging and disposing

of Ni-Cad and Ni-MH batteries.

The following is meant as general information regarding Ni-Cad/Ni-MH batteries.
.

1. Occasionally allow the batteries to fully discharge before recharging. Full

discharge will be indicated by the low battery indicator coming on during receive
operation.

2. Always allow the battery to fully charge before using. This requires 10 hours with

the approved charger. (Ni-MH batteries require 16 hours for full charge.)

3. The above will prevent the batteries from developing “memory” which effectively

reduces their capacity.

4. It is better to store Ni-Cad batteries that are discharged rather than charged.

Ni-MH batteries are best stored charged.

11

SERVICE:

If you have a problem which you believe requires service, please call first and speak
with a service technician. Many problems can be remedied over the phone without
returning the unit for service.
If it ever becomes necessary to return your unit for service:

♦ Pack the unit in its original box and packing. Improper packing may result in

damage during shipment.

♦ Include a full description of any problems.
♦ Include a daytime telephone number.
♦ Include a money order for $7.50 to cover shipping and handling (this may not be

required in some states).

!

You do not need to return accessory items (charger, batteries, wrist strap,

owners guide) unless they maybe 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.

♦ A flat rate of $35.00 will apply to repairs not covered by the 1 year warranty.

Payment is accepted by Cashiers Check, Money Order, Master Card or Visa only.
Personal checks will not be accepted.

!

Items not covered by the warranty include abuse, water damage, battery leak

damage, broken antennas, broken battery latch

12

TECHNICAL SPECIFICATION S

TECHNICAL SPECIFICATION S

TECHNICAL SPECIFICATION STECHNICAL SPECIFICATION S

GENERAL

Frequency range..................................................................................

Channels...............................................................................................................

Modulation type.................................................................................................

Antenna impedance ....................................................................................

Loudspeaker.........................................................................................

Microphone...................................................................................…...

Power supply..........................................

RECEIVER

Sensitivity at 12dB Sinad..............................................................................

Selectivity........................................................................................................

Squelch range...................................................................................…....

Audio output power...........................................

Distortion at 1000 mV.........................................................................................

Audio frequency response.....................................................................

TRANSMITTER

RF Output Power...........................................….…….

Frequency Tolerance.................................................................................

Harmonic Suppression...................................................................

Modulation......................................................................................

*Specifications are nominal and subject to change

*

462/467 MHz

50 Ohm
8 Ohm 0.5W
electret type

3 AA Ni-cads or Alkaline (3.6/4.5VDC)

0.25µV
50 dB

automatic

0.25W @ 8 Ohm (10% distortion)

400-2400 Hz

nominal 500 mW @ 4.5VDC

0.00025%

more than 50 dB

FM +/- 2.5 kHz

CHANNEL FREQUENCIES

14

FM

7%

01=462.5625 05=462..6625 09=467.5875 13=467.6875
02=462.5875 06=462.6875 10=467.6125 14=467.7125
03=462.6125 07=462.7125 11=467.6375
04=462.6375 08=467.5625 12=467.6625

13

LIM ITED WARRANTY

Midland Consumer Radio Inc. will repair or replace, at its option without
charge, any Midland FRS transceiver which fails due to a defect in material or
workmanship within One Year following the initial consumer purchase. This warranty
does not apply to water damage, battery leak damage or abuse.

Thi s wa rr anty does not incl ude a ny carr ying c ase s, earp hones , or ante nnas
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 warr anted pr oduct, freight prepai d, along with proof of purchase date, to
Midland Consumer Radio Inc., Warranty Service Department, 1670 North Topping
Avenue, Kansas City, Missouri 64120.

Thi s wa r ra nty gi ve s yo u s pe ci fi c l e gal r ight s, and you may a l so ha ve o the r
rights, which vary, from state to state.

The above warranty applies only to merchandise purchased in the United States

Note:

of America or any of the territories or possessions thereof, or from a U.S. Military
exchange.

Midland Consumer Radio
1670 N. Topping
Kansas City, Mo. 64120-1224

Tel: [phone])
E-mail: [e-mail]
URL: www.midlandradio.com

Printed in Korea

14