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Certus Reference Manual • Interfacing
9.6.1.7 Disable Pressure
Type
:
GPIO Port
:
Auxiliary
:
Description :
9.6.1.8 Set Zero Orientation Alignment
Type
:
GPIO Port
:
Auxiliary
:
:
Description
9.6.1.9 System State Packet Trigger
Type
:
GPIO Port
:
Auxiliary
:
:
Description
9.6.1.10 Raw Sensors Packet Trigger
Type
:
GPIO Port
:
Auxiliary
:
:
Description
9.6.1.11 1PPS Input
Type
:
GPIO Port
:
Auxiliary
:
Description
:
v2.4
Digital Input
1, 2
Receive
This function accepts a digital input with a low state enabling the atmospheric pressure
sensor and a high state disabling the atmospheric pressure sensor.
Digital Input
1, 2
Receive
This function accepts a digital input. The input is normally low and a transition from low to
high causes Certus to set its alignment so that the current orientation is zero. Due to the
risk of exhausting the flash cycles, the change is not permanent and will disappear on
reset. To make it permanent the
then sent back to Certus with the permanent flag set. This function requires de-bouncing if
attached to a switch.
Digital Input
1, 2
Receive
This function accepts a digital input. The input is normally low and a transition from low to
high causes Certus to send the System State Packet. This function requires de-bouncing
if attached to a switch.
Digital Input
1, 2
Receive
This function accepts a digital input. The input is normally low and a transition from low to
high causes Certus to send the
bouncing if attached to a switch.
Digital Input
1, 2
Receive
This function is designed to allow external GNSS receivers to synchronise time with
Certus. It triggers on a transition from low to high.
10.5.5 Installation Alignment Packet
10.4.9 Raw Sensors
Page 129
must be read and
Packet. This function requires de-
2024-12-17