Navsight Solution
– Hardware Manual
NAVSIGHTHM.1.5
5.4.2. Buttons actions
In addition to checking the system status, it is also possible to use the keypad buttons in order to perform
several useful actions. Basic actions will be typically performed at every mission while the advanced actions
should be used for troubleshooting purpose.
5.4.2.1. Basic actions
Action
Power
ON/OFF
Press the
button (short press). The corresponding LED should be
GREEN
when running or
RED
when
Idle.
Start/Stop
Datalogger
Press the
button (short press). The corresponding LED should be
GREEN
when running and OFF when
datalogger is disabled.
5.4.2.2. Advanced actions
Action
System
Reboot
Press and hold the
button for more than 5 s.
Reset device
settings
In case you cannot communicate with the unit anymore (unknown Ethernet settings for instance), it is
possible to restore default settings by pressing and holding
and
buttons together longer than 5 s.
5.5. IMU interface
The IMU interface is required to connect an external IMU to the processing unit. Both rugged processing
unit and rack processing unit use the same IMU receptacle (ODU ref G83F1C-P08LPH9-0000).
The IMU connector mates with the plug ref S43F1C-P08MPH9-020S.
Connector's pin-out is the following:
Pin #
Name
Description
1
SYNC+
IMU Sync input +
2
SYNC-
IMU Sync input -
3
VCC
Input power supply voltage
4
PGND
Power supply return
5
SHIELD
SHIELD / Chassis Ground
6
SGND
Signal ground (Sync and Data)
7
IMU Data A Positive RS-485 data input/output
8
IMU Data B Negative RS-485 data input/output
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