AT&T 2820 Instruction Manual download pdf (Page 35)

■ Optional Microphone (HM-154)

qPTT SWITCH

Push and hold to transmit; release to receive.

wUP/DOWN KEYS [UP]/[DN]

➥ Push either key to change operating frequency, mem-

ory channel, set mode setting, etc.

(pgs. 17, 60, 95)

➥ Push and hold either key for 1 sec. to start scanning.

(p. 74)

eUP/DN LOCK SWITCH

Slide to toggle [UP]/[DN] keys function ON and OFF.

OFF

PANEL DESCRIPTION

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 163 164

INSTRUCTION MANUAL 1
FOREWORD 2
IMPORTANT 2
EXPLICIT DEFINITIONS 2
PRECAUTIONS 3
SUPPLIED ACCESSORIES 4
TABLE OF CONTENTS 5
D Location 9
D Using the mounting bracket 9
QUICK REFERENCE GUIDE 10
D Microphone connection 10
D Controller’s attachment 12
D Remote installation 12
D Battery connection 14
D DC power supply connection 15
D Antenna installation 16
■ Your ﬁrst contact 17
■ Repeater operation 19
■ Programming memory channels 20
PANEL DESCRIPTION 22
■ Function display 24
■ Function display— continued 26
■ Function guide indications 28
■ Main unit 30
■ Microphone (HM-133*) 32
■ Microphone keypad 33
(HM-154) 35
SETTING A FREQUENCY 36
D VFO and memory modes 37
■ Using the tuning dial 38
■ Using the [Y]/[Z] keys 38
■ Using the keypad 38
■ Tuning step selection 39
■ Lock functions 40
BASIC OPERATION 41
■ Selecting output power 42
■ Operating mode selection 42
■ Squelch attenuator 43
■ Sub-band mute/busy beep 45
■ Monitor function 45
■ Single band operation 46
■ One-touch PTT function 47
■ Audio mute function 48
■ Band scope 48
REPEATER OPERATION 50
34) is set 51
D Subaudible tones 53
D DTMF tones 54
D 1750 Hz tone 54
■ Offset frequency 55
■ Digital mode operation 56
■ Call sign programming 56
When sending a CQ 60
■ DV automatic detect 61
■ About D-STAR system 62
■ Digital repeater operation 63
What is the area? 65
What is the zone? 65
■ Received call sign 68
One-touch reply 69
■ Copying the call sign 70
•When “ALL” is selected 71
■ Break-in communication 72
■ Message operation 73
Message Transmission 74
RX message indication 75
■ Automatic reply function 76
■ EMR communication 77
Low-speed data communication 78
■ DV voice memory 79
◆ Track size setting 80
MEMORY MODE OPERATION 81
, duplex direction, sub 83
■ Memory bank selection 84
■ Memory bank setting 85
Available characters 86
■ Copying memory contents 88
D Memory/call➪call/memory 89
■ Memory clearing 90
CALL CHANNEL OPERATION 92
■ Programming a call channel 93
SCAN OPERATION 94
■ Scan start/stop 95
■ Scan edges programming 96
■ Scan resume condition 98
■ Skip channel setting 99
PRIORITY WATCH 100
■ Priority watch operation 101
DTMF MEMORY ENCODER 102
D Manual transmission 104
■ DTMF speed 105
TONE SQUELCH AND POCKET BEEP 106
D Reverse tone/DTCS squelch 107
D Setting DTCS code 108
■ DTCS polarity setting 109
■ Tone scan 110
Digital code setting 111
PAGER/CODE SQUELCH 112
Code programming 113
■ Pager operation 114
■ Code squelch 115
MENU SCREEN OPERATION 116
■ Menu list 117
■ Items list 117
■ SET MODE items 120
■ DV SET MODE items 122
■ SCAN items 124
■ DUP/ TONE items 125
■ DISPLAY items 126
■ SOUND items 128
■ DV GPS items 129
■ PACKET items 130
■ GPS SET MODE items 130
Alarm area 1 131
Alarm area 2 131
■ GPS-A SET MODE items 132
GPS-A symbol 133
OTHER FUNCTIONS 134
■ All reset 135
■ Partial reset 135
■ Data cloning 136
■ Auto power OFF 137
■ Time-out timer 137
■ Packet operation 138
D 1200 bps packet operation 139
GPS/GPS-A OPERATION 142
Sentence formatters selection 143
GPS message programming 145
Receiving a GPS transmission 146
RX GPS message indication 147
Programming GPS memory 147
GPS alarm setting 148
GPS memory clearing 148
■ GPS-A operation 149
MAINTENANCE 150
■ Fuse replacement 151
SPECIFICATIONS AND OPTIONS 153
■ Options 154
ABOUT CE 156
#02 Europe1 164
#10 Europe2 164

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AT&T 2820 Instruction Manual Page 35

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