Motorola CT-39A User Manual

Contents

Introduction ...................................................... 1
Specifications .................................................... 2
Accessories & Options ..................................... 3

Supplied Accessories ..................................... 3
Optional Accessories ...................................... 3

Installation ........................................................ 4

Preliminary Inspection ................................... 4
Installation Tips .............................................. 4
Safety Information ......................................... 5
Antenna Considerations ................................. 6
Mobile Installation ......................................... 8

Transceiver Installation .............................. 8
Mobile Power Connections ........................ 9
Mobile Speakers ........................................ 9

Base Station Installation .............................. 10

AC Power Supplies .................................. 10
Packet Radio Terminal Node Controller . 10

Front Panel Controls & Switches ................. 12
LCD .................................................................. 16
Rear Panel Connections ................................ 17
MH-48

A6J

 Microphone ................................... 18

MH-42

B6JS

 Microphone .................................. 19

Basic Operation .............................................. 20

Turning the Transceiver On and Off ........... 20
Adjusting the Squelch Setting ..................... 20
Selecting the Operating Band ...................... 20
Selecting the Frequency Band ..................... 21
Frequency Navigation .................................. 22

Tuning Dial .............................................. 22
Direct Keypad Frequency Entry .............. 22
Scanning .................................................. 22

Transmission ................................................ 23

Changing the Transmitter Power Level ... 23

Advanced Operation ...................................... 24

Lock Feature ................................................. 24
Keyboard Beeper .......................................... 24
Channel Step Selection ................................ 24
Display Brightness ....................................... 25
Band Linking ............................................... 25
Audio Muting ............................................... 26
RF Squelch ................................................... 26

Repeater Operation ........................................ 27

Repeater Shifts ............................................. 27
Automatic Repeater Shift (ARS) ................. 27
Manual Repeater Shift Activation ............... 28

Changing the Default Repeater Shift ...... 28

CTCSS/DCS Operation ................................. 29

CTCSS Operation ........................................ 29
DCS Operation ............................................. 30
Tone Search Scanning ................................. 31

Memory Operation ........................................ 32

Regular Memory Channel Operation ........... 32

Memory Storage ....................................... 32
   To Append an Alpha-numeric
   “Tag” to a Memory ............................... 33
   Storing Independent
   Transmit Frequencies (“Odd Splits”) ... 33
Memory Recall ......................................... 34
Memory Offset Tuning ............................ 34
Deleting Memories .................................. 34
HOME Channel Memory ........................ 35
Memory Bank Operation ......................... 36
Memory Only Mode ................................ 36

Hyper Memory Mode ................................... 37

Hyper Memory Storage ............................ 37
Hyper Memory Recall .............................. 37

Scanning .......................................................... 38

Setting the Scan-Resume Technique ........... 38
VFO Scanning .............................................. 39
Memory Scanning ........................................ 40

How to Skip (Omit) a Channel
         During Memory Scan Operation .... 40
Preferential Memory Scan ....................... 41

Programmable (Band Limit) Memory Scan .. 42
“Priority Channel” Scanning (Dual Watch) .. 43

Smart Search .................................................. 44
ARTS

TM

: Auto Range Transponder System .... 46

Basic ARTS Setup and Operation ............... 46
CW Identifier Setup ..................................... 47

DTMF Autodialer Operation ........................ 48
Internet Connection Feature ......................... 50
Miscellaneous Settings ................................... 52

Time-Out Timer ........................................... 52
Automatic Power Off ................................... 52
Programming the Key Assignment .............. 53
FM Bandwidth & MIC Gain Control .......... 54
DCS Code Inversion .................................... 55

Cross Band Repeater Operation .................. 56
Reset Procedure .............................................. 57
Cloning ............................................................ 58
Menu (“Set”) Mode ........................................ 59