User manual

Page 12 Rev. 3
D2 Special function keys
If you press the AX/ALT key and power key then you can enter the upgrade mode
directly
Press the DW/TRW key and the power key ，then you can enter the writing channel
mode directly
Appendix A – Near Lightning Strike Test
This appendix describes the general procedure for evaluating the immunity to near lightning strikes
(NLS) of the HM160 VHF Radio.
The test simulates a slow, high-energy pulse produced by an NLS event.
Related External Documents
• BS EN 61000-4-5 : 2006
• EMC Directive 2004/108/EC
List of Abbreviations
AE Auxiliary Equipment
CE
Conducted Emissions
EMC
Electromagnetic Compatibility
EN
European Norm
EUT
Equipment Under Test
FTB
Fast Transient Burst
MED
Marine Equipment Directive
QP
Quasi Peak
Safety
The high voltage interference pulse can contain a very large quantity of energy and every precaution
shall be taken to avoid contact with EUT during a test. It is highly recommended that at least one
other person is present (or very close by) during the test.