MGL Avionics User Forum

Hello
Try "Digital inputs setup"

Hello.
You want to connect the LX RS232 Output to the FF-4 RS232 Input, e.g DB15-Pin 4.
The harness delivered with the FF-4 may not contains a wire to DB15 pin 4
Make sure both devices use same Baud Rate

Red cross on RPM display area indicates that RDAC data is not received. Check RDAC CAN connection, and check that RPM display field is assigned to correct RDAC number

From an old post (11/01/2011 08:22) in MGLAvionicsUsers.org forum:

This lag is created in the RDAC itself and is dependent on the number of pulses per RPM.
The more pulses the more "immediate" the RPM indication.
Extra lag however can be introduced if the RPM pulses are not consistent, in other ...

Hello.
You'll have to upgrade the AHRS-4 firmware.

AHRS-4 Firmware Revision
========================
Version 1.08 25/05/2022 (Franz Lamers)
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Enhancement: Added a vertical card compass display

https://www.mglavionics.co.za/Infinitec/Manuals/Blaze%20Firmware ...

Hello.
Disconnect the analog indicator. It is forcing about 6V to the RDAC FL input through it's internal resistor bridge