ISIS QNH not changing

Hi all,

for some reason I can't fathom out, my ISIS is no longer showing any QNH other than 1013 hpa. If I turn the knob on the EFIS it adjusts the PFD QNH and altitude readout accordingly. But the ISIS does not change - the altitude reads NEG at Heathrow, for example, which is only 100ft above sea level...

The FCU, EFIS, PFD, ND and standby instruments are running on the same computer (networked, not the primary FSX PC). All the other gauges are working really well and respond to changes accordingly.

Thanks

Richard

Hello,

The ISIS QNH is set via a different encoder than the PFDs ones.
There are FSUIPC offsets and joystick swicthes available to change this, please have a look in the documentation.

Regards,
JL

Quote:

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Originally Posted by jeehell

Hello,

The ISIS QNH is set via a different encoder than the PFDs ones.
There are FSUIPC offsets and joystick swicthes available to change this, please have a look in the documentation.

Regards,
JL

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oh dear what a wally... sorry to have troubled you!