HP OMNIBER 718 HP 37718A - Manual (Page 121)

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Storing, Logging and Printing
Logging on Demand
If PARALLEL is chosen, see "Logging Results to Parallel (Centronics)
Printer " page 116.
If DISK is chosen, see “Saving Data Logging to Disk” page 142.
If Option 602, Internal Printer, is fitted and INTERNAL is chosen, see
"Logging Results to Internal Printer " page 118.