2. OPERATION
2-6
2.6.1 Icons and indications
The top section of all device modes displays various icons and the operational status
icon is always displayed. The example figure below shows all icons, along with a brief
description.
Alerts and operational guidance
The bottom section of the screen for all device display modes shows operational guid-
ance and alerts.
Alerts take priority over guidance and must be acknowledged before normal opera-
tional guidance can be displayed again.
No. Description
1 Indicates the displayed screen.
2 Precision indicator - displayed when five or more satellites are available for posi-
tion fixing.
3 GNSS core number - shown for non IMO-types only. Shown only when GNSS
core 1 is faulty; the substituted core number is shown here.
4 Simulation mode indicator. Shown only when the system is in simulation mode.
5 Excessive vibration icon - displayed when the antenna location is subjected to ex-
cessive vibration.
6 Operational status indicator - rotates in a clockwise direction when the system is
operating normally. If this indicator does not move for more than 30 seconds, re-
start the equipment.
For Non IMO-types, this icon is displayed in a light-blue color.
For IMO-types, this icon is displayed in a dark blue color.
2
Display mode icon:
(Two-tier)
Display mode icon:
(Single-tier)
LIST screen:
MENU screen:
Current display mode
Indication appears on one line when the
currently selected screen matches the
preset
[
DEVICE MODE
]
.
Preset
[
DEVICE MODE
]
(Startup screen)
Operational guidance
Alert message (flashing)
440302 TOO FEW TRACKING SATELLITES
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