[Is there any were to order a shop manual for a 1988 Avanti]

Looking for a shop manual for a 1988 Avanti

[DCS Computer Series 3]

Here is a picture of it in the owners manual

[DCS Computer Series 3]

Sorry for the delay 1988 convertible

[DCS Computer Series 3]

Does anyone have any info on this trip computer mine is not working and don't know where to get any info on it?

Thanks, 

Jeff