MAX-M10M-Integration manual
Figure 5: Flowchart of course over ground freezing
2.2.7 Super-Signal (Super-S) technology
In normal operating conditions, low signal strength (that is, signal attenuation) indicates possible
degradation due to multi-path. The receiver trusts such signals less in order to preserve the
quality of the position solution in poor signal environments. This feature can result in degraded
performance in situations where the signals are attenuated for another reason, for example due
to antenna placement. In this case, the weak signal compensation feature can be used to restore
normal performance. There are three possible modes:
• Disabled: no weak signal compensation is performed
• Automatic: the receiver automatically estimates and compensates for the weak signal
• Configured: the receiver compensates for the weak signal based on a configured value
These modes can be selected using CFG-NAVSPG-SIGATTCOMP. In the case of the "configured"
mode, the user should input the maximum C/N0 observed in a clear-sky environment, excluding any
outliers or unusually high values. Choose the configured value carefully, as it can have a large impact
on the receiver performance.
2.3 OTP memory configuration
MAX-M10M contains a one-time programmable (OTP) memory. This is a non-volatile memory for
storing configuration settings and ROM patches permanently in the device. The stored data cannot
be modified after it has been initially programmed. The device applies the settings and ROM patches
on the device startup.
As the space in the OTP memory is limited, only essential system configuration settings should be
stored. The total space used for device configuration and ROM patches in the OTP memory must
not exceed 74 bytes. Other settings can be stored in the BBR or sent from the host to the device
on each device startup.
Ensure that the final configuration stored and optional ROM patches do not require more than
74 bytes of OTP memory space.
UBX-22038241 - R02
2 Receiver configuration Page 19 of 92
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