User Guide
1 SUPPLIED ACCESSORIES ......... 1
2 PANEL DESCRIPTION ......... 2–13
■ Controller unit  ......................... 2
■ Function display ...................... 4
■ Basic function menu  ............... 6
■ Main unit  ................................. 8
■ HM-98 microphone  ............... 10
■ HM-97/118N microphone ...... 13
3 INSTALLATION ................... 14–17
■ Location ................................ 14
■Mounting with the mounting
bracket .................................. 14
■Mounting the remote 
controller ............................... 15
■ Battery connection ................ 15
■DC power supply 
connection ............................ 16
■ Cable connection .................. 16
■ Antenna installation  .............. 17
4 FREQUENCY SETTING ...... 18–22
■ Preparation ........................... 18
■ Lock functions ....................... 19
■ Using the tuning dial  ............. 20
■ Using the [Y]/[Z] keys .......... 20
■ Setting a tuning step ............. 21
■ Using the keypad .................. 22
5 BASIC OPERATION ............ 23–25
■ Receiving .............................. 23
■ Monitor function  .................... 24
■ Audio mute function .............. 24
■ Transmitting .......................... 24
■ Selecting output power  ......... 25
■ One-touch PTT function ........ 25
6 REPEATER OPERATION ... 26–31
■ Accessing a repeater ............ 26
■ 1750 Hz tone  ........................ 28
■ Subaudible tone .................... 29
■ Offset frequency  ................... 30
■ Auto repeater function  .......... 31
7 MEMORY/CALL
CHANNELS ......................... 32–39
■ General ................................. 32
■Programming during 
selection................................. 32
■Programming after selection.. 33
■Transferring memory contents 
to another memory ................ 33
■Programming during selection
via the microphone  ............... 34
■Programming after selection 
via the microphone  ............... 34
■Transferring memory contents 
to another memory via the
microphone ........................... 35
■ Memory clear ........................ 36
■ Alphanumeric display ........... 37
■ Call channel .......................... 38
8 SCRATCH PAD MEMORY ... 40–41
■What is a scratch pad 
memory? ............................... 40
■Calling up a scratch pad 
memory ................................. 40
■Transferring scratch pad 
memory contents  .................. 41
9 SCAN OPERATION ............. 42–46
■ Scan types ............................ 42
■Full/programmed scan .......... 43
■ Selecting scan edges ........... 44
■ Memory scan  ........................ 45
■ Skip channel setting ............. 46
■ Scan resume condition  ......... 46
10 BAND SCOPE ............................ 47
■ Operation .............................. 47
11 PRIORITY WATCH .............. 48–49
■ Priority watch types ............... 48
■ Priority watch operation  ........ 48
12 SUBAUDIBLE TONE 
OPERATION ........................ 50–53
■ Tone squelch operation ........ 50
■ Pocket beep operation .......... 52
■ Tone scan  ............................. 53
13 DTMF MEMORY .................. 54–56
■Programming a DTMF code .. 54
■ Transmitting a DTMF code .... 55
■ DTMF speed ......................... 56
14 WIRELESS OPERATION .... 57–62
■ Connection ........................... 57
■HM-90 wireless microphone .. 57
■ EX-1759 installation .............. 58
■ HM-90 switches  .................... 59
■ Microphone address  ............. 62
15 OTHER FUNCTIONS  .......... 63–75
■ Beep tones ........................... 63
■ Time-out timer ....................... 63
■ Auto power-off function ......... 64
■ Cooling fan ........................... 64
■ Squelch delay  ....................... 65
■ Sub band mute  ..................... 65
■ Sub band busy beep ............. 66
■ Automatic RF attenuator ....... 66
■ Memory name indication ....... 67
■ HM-98 [F-1]/[F-2] keys .......... 67
■ HM-97/118 [UP]/[DN] keys..... 68
■ Display contrast  .................... 68
■ Display brightness  ................ 69
■ Indication type ...................... 69
■ My call function ..................... 69
■ Packet operation ................... 70
■ Video monitor function .......... 73
■ Demonstration display  .......... 74
■ AM/FM narrow mode  ............ 74
■ Fuse replacement ................. 74
■ Partial reset .......................... 75
■ All reset ................................. 75
16 CS-2800 CLONING 
SOFTWARE ......................... 76–79
17 TROUBLESHOOTING ............... 80
18 OPTIONS .................................... 81
19 SPECIFICATIONS ............... 82–83
iii
TABLE OF CONTENTS










