September 16, 200322 yr Hi, guys.Had the chance to have a good look 'round an -800 last night and took a photo of the PFD with the IRS's switched off. Not my own airline by the way.http://members.ozemail.com.au/~b744er/737/PFDIRUOFF.jpgI can see some obvious differences:1. Airspeed begins at 45kts and the tape goes down to 30kts2. Rad Alt at minus 4 feet on ground3. Negative altitudes displayed in reverse order to positive altitudes.4. DH Bug reset to green (Part of the DH logic resets colour on touchdown). DH readout green also.Are these airline or 737 series options?Thanks.Cheers.Ian.
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