Midland Radio 944100B, 943110B User Manual

Operator’s Manual

Base Tech IV Series

94-3110B 110 Watt VHF P25 Base/Repeater

Station

94-4100B 100 Watt UHF P25 Base/Repeater

Station

Perspective picture here

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Base Tech IV P25 Base/Repeater Station

WARNING: The antenna(s) used for this transmitter must be

fixed-mounted on outdoor permanent structures with a separation distance of at least 6 meters from all persons during normal operation. The peak conducted output power at each antenna terminal must not exceed 250 Watts and the peak radiated output power must not exceed 1000 Watts EIPR. Users and installers must ensure that FCC requirements for satisfying RF exposure compliance are met. (See FCC Rules Part 1, Sections 1307 and 1310)

NOTICE: The AMBE+2 ™ voice coding Technology embodied in this product is protected by intellectual property rights including patent rights, copyrights and trade secrets of Digital Voice Systems, Inc. This voice coding Technology is licensed solely for use within this Communications Equipment. The user of this Technology is explicitly prohibited from attempting to extract, remove, decompile, reverse engineer or disassemble the Object Code, or in any other way convert the Object Code into a human readable form. U.S. Patents Nos. #5,870,405, #5,826,222, #5,754,974 #5,701,390, #5,715,365, #5,649,050, #5,630,011, #5,581,656, #5,517,511, #5,491,772, #5,247,579, #5,226,084 and #5,195,166.

Base Tech IV P25 Base/Repeater Station

Contents .................................................................................. 3

Conventions and Symbols in this Book ................................... 4

Disclaimer ................................................................................ 4

Introduction .............................................................................. 4

Models.................................................................................. 4

Radio Features..................................................................... 5

Recommended Accessories ................................................ 6

Radio Controls ......................................................................... 6

Front Panel........................................................................... 6

Rear Panel ........................................................................... 7

Backlit LCD Details............................................................... 7

Setup........................................................................................ 8

Unpacking ............................................................................ 8

Installation ............................................................................ 8

Basic Operation ....................................................................... 9

Turning the Radio On and Off .............................................. 9

Channel Selection ................................................................ 9

Receiving Transmissions from Other Radios....................... 9

Transmitting to Other Radios ............................................. 11

Programmable Functions....................................................... 13

Message Display Quick Reference........................................ 15

Error Codes ........................................................................ 15

Specifications......................................................................... 16

Warranty Statement............................................................... 17

Base Tech IV P25 Base/Repeater Station

Conventions and Symbols in this Book

 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.

! This symbol marks an “important point”. Important points

are specific instructions which should be followed closely for proper operation.

 This symbol marks a “note”. Notes are hints or tips which

offer additional information to help you.

Disclaimer

Midland Radio Corporation is committed to continuous quality improvements, for this reason specifications may change without prior notice.

Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date. Midland assumes no responsibility for the results of errors beyond its control. The manufacturer of this equipment also cannot guarantee that changes in the equipment made by unauthorized people will not affect the transceiver’s performance or functions.

Introduction

Thank you for choosing the Midland Base Tech IV P25 Base/Repeater Station to meet your communication needs. Properly used, this product will give you many years of reliable service. To get the most out of your purchase, be sure to carefully read this manual before operating the radio.

Models

There are two models in the Base Tech IV series.

94-3110B – 5 – 110 Watts VHF, 146-174 MHz. 94-4100B – 2 – 100 Watts UHF, 440-475 MHz.

Base Tech IV P25 Base/Repeater Station

Radio Features

The Base Tech IV series base/repeater stations are programmable, synthesized transceivers featuring:

5 P25 operation 5 Transmit power continuously variable up to 100 Watts,

UHF; 110 Watts, VHF.

5 12.5 KHz channel spacing. 5 4 programmable buttons. The function of each button is

assigned by dealer programming.

5 6 LED indicators for power-on, busy, transmit, alarm,

digital and repeat.

5 Multi-function rotary encoder knob for volume, channel,

squelch, and backlight level.

5 50 CTCSS tones and 83 CDCSS codes are

programmable per channel. In addition, a custom CTCSS tone frequencies and a custom CDCSS are programmable.

5 A busy channel lockout feature is programmable. An

override function is available to allow transmission during repeater hangtime.

5 A transmit time-out timer may be programmed to limit

continuous transmission time. A penalty timer is also programmable.

5 A talk-around function button may be programmed to

allow for repeater talk-around without using an additional channel.

5 A configurable emergency mode may be activated by a

programmable function button.

5 A password function is available to prevent unauthorized

radio operation. When programmed, a four keypress

Base Tech IV P25 Base/Repeater Station

sequence must be entered each time the radio is turned on, in order to operate the radio.

Recommended Accessories

??? Replacement microphone ??? Desktop microphone ??? DTMF microphone

Radio Controls

Front Panel

front panel picture here

1 3 4 2 5

8 9 1

1. Power switch. Press and release to turn the transceiver on.

Press and release again to turn the transceiver off.

2. LED power indicator.

3. Multi-function rotary encoder. This knob is used for volume,

channel, squelch and backlight adjustments. Press to step through the available functions. Rotate to change the level for the selected function.

4. LED status indicators. Light to indicate:

BUSY Channel is busy TRANSMIT Radio is transmitting ALARM Radio is in alarm DIGITAL Digital receive or transmit mode REPEAT Repeat mode is selected

5. Backlit LCD display. A 4 line 20 character display providing

channel and operating information.

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