iii
IMPORTANT .............................................. i
EXPLICIT DEFINITIONS ........................... i
CAUTIONS ................................................. i
UNPACKING ............................................. ii
TABLE OF CONTENTS ............................ iii
1 PANEL DESCRIPTION .................. 1–7
■Switches, controls, keys and
connectors ....................................... 1
■ Function display ............................... 6
2 BATTERY PACKS AND
ACCESSORIES ........................... 8–11
■ Battery pack charging ...................... 8
■ Charging precautions ....................... 8
■ About the battery pack ...................... 8
■ Charging connections ...................... 9
■ Battery case ................................... 10
■ Accessory attachment .................... 11
3 FREQUENCY AND CHANNEL
SETTING ................................... 12–16
■ Power ON ....................................... 12
■ VFO and memory/call channels ..... 12
■ Main band selection ....................... 13
■ Operating band selection ............... 13
■Frequency or channel selection
via the keypad ................................ 14
■ Using the tuning dial ....................... 15
■ Lock function .................................. 15
■ Setting tuning dial increments ........ 16
4 BASIC OPERATION .................. 17–18
■ Receive and transmit ...................... 17
5 REPEATER OPERATION .......... 19–21
■ General .......................................... 19
■ Subaudible tones ........................... 20
■ Offset frequency ............................. 20
■ Auto repeater function .................... 21
6
MEMORY/CALL PROGRAMMING
.22–25
■ General .......................................... 22
■ Programming during selection ........ 22
■ Programming after selection .......... 23
■ Memory edit (transferring) .............. 23
■ Memory names .............................. 24
■ Memory clear ................................. 25
7 DTMF MEMORY ........................ 26–27
■ Programming a DTMF code ........... 26
■ Transmitting a DTMF code ............. 27
■ DTMF transmission speed ............. 27
8 SCAN OPERATION ................... 28–31
■ Scan types ..................................... 28
■ Full/programmed scan ................... 29
■ Memory scan ................................. 29
■ Skip channel setting ....................... 30
■ Scan resume condition ................... 30
■ Frequency skip function ................. 31
9
SUBAUDIBLE TONE OPERATION
.32–33
■ Tone squelch operation .................. 32
■ Tone scan ....................................... 33
■ Pocket beep operation .................... 33
10 OTHER FUNCTIONS ................. 34–38
■ Guide function ................................ 34
■ Battery voltage indication ............... 34
■ Auto power-off function ................... 35
■ Function display backlighting ......... 35
■ Power saver ................................... 36
■ LCD contrast .................................. 36
■ Optional HM-75A functions ............ 37
■ Handheld-to-handheld cloning ....... 38
■ Partial reset .................................... 38
■ All reset .......................................... 38
11 TROUBLESHOOTING ...................... 39
12 MODE ARRANGEMENT ........... 40–41
13 SPECIFICATIONS ............................ 42
14 OPTIONS .......................................... 43
TABLE OF CONTENTS