2. This contains the information needed to adapt HP 4278A's manual to instruments with A32 handler
interface board (PN 04278-66532) of Option 201 Handler interface.
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Replace the following pages of your manual with the attached pages in this supplement. (An
underlined page number indicates a changed page.)
3. This contains the information needed to adapt HP 4278A's manual to instruments with A33 handler
interface board (PN 04278-66533) of Option 202 Handler Interface.
s Replace the PERFORMANCE TEST RECORD of pages 6-31 thru 6-34 with attached those of
pages (i) thru (iv).
• Replace the following pages of your manual with the attached pages in this supplement. (An
underlined page number indicates a changed page.)