2.8.9.11 NTP Expert Mode
125
2.8.9.12 Orolia Technical Support for NTP
128
2.8.10 Configuring PTP
129
2.8.10.1 The PTP Screen
129
2.8.10.2 Enabling/Disabling PTP
133
2.8.10.3 Configuration — General Steps
133
2.8.11 GPSD Setup
133
CHAPTER 3
Managing Time
135
3.1 The Time Management Screen
136
3.2 System Time
137
3.2.1 System Time
138
3.2.1.1 Configuring the System Time
138
3.2.1.2 Timescales
139
3.2.1.3 Manually Setting the Time
141
3.2.1.4 Using Battery Backed Time on Startup
143
3.2.2 Timescale Offset(s)
145
3.2.2.1 Configuring a Timescale Offset
145
3.2.3 Leap Seconds
146
3.2.3.1 Reasons for a Leap Second Correction
146
3.2.3.2 Leap Second Alert Notification
147
3.2.3.3 Leap Second Correction Sequence
148
3.2.3.4 Configuring a Leap Second
148
3.2.4 Local Clock(s), DST
149
3.2.4.1 Adding a Local Clock
149
3.2.4.2 DST Examples
151
3.2.4.3 DST and UTC, GMT
152
3.3 Managing References
153
3.3.1 Input Reference Priorities
153
3.3.1.1 Configuring Input Reference Priorities
154
3.3.1.2 The "Local System" Reference
157
3.3.1.3 The "User/User" Reference
158
3.3.1.4 Reference Priorities: EXAMPLES
160
3.3.2 Reference Qualification and Validation
164
3.3.2.1 BroadShield
164
3.3.3 The GNSS Reference
171
VI
VersaSync User Manual • TABLE OF CONTENTS