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English
Table of contents
1 Introduction 2
2 Safety warnings 3
2.1 Symbols used 3
2.2 Warnings 3
2.3 Technical support 4
3 Controls and features 4
3.1 Description 4
3.2 Displayed symbols 6
4 Setup 7
4.1 Items supplied with the radio 7
4.2 Fixing/removing the optional belt clip 7
4.3 Removing/installing the battery pack 7
4.4 Recharging the battery pack 8
5 Basic features 9
5.1 Switching the radio on and off 9
5.2 Backlighting 9
5.3 Checking the level of the batteries charge 9
5.4 Adjusting squelch (suppressing background noise) 9
5.5 Selecting the operating channel 9
5.6 Receiving and transmitting 10
5.7 Busy channel lockout 11
5.8 Operatingmodes(openandrestrictedtrafcmode) 11
5.9 Programming the CTCSS/DCS codes 12
5.10 Monitoring function 12
5.11 Selecting the transmission power 13
5.12 Emergency mode 13
5.13 Scan function 13
6 Functions of the MENU key 14
6.1 Mode VOX (e-VOX) 14
6.2 Roger bip 14
6.3 Keyboard tones 15
6.4 Selecting the call tone 15
6.5 Scrambler 15
6.6 Out of range indicator 15
6.7 Cloning (copying data between radios) 15
7 Connecting the audio accessories 16
8 Care and maintenance 17
8.1 Cleaning the radio 17
8.2 Battery recharge contacts 17
8.3 Connectors 17
8.4 Battery-charger 17
8.5 Troubleshooting 17
8.6 Correcting logic faults (Soft Reset) 19
9 Technicalspecications 20
10 Tables of codes 21
10.1 Correspondence of the HP450 2A
reference number -Frequencies of CTCSS tones 21
10.2 Correspondence of the HP450 2A
reference number - DCS codes 21