Third-party reference photograph of an HP-branded 8509B from NTC Tech for the Agilent 8509B catalog model. Background removed with an alpha-only manual mask. The photographed condition and physical labels are example-specific and do not describe the offered unit; a controller or accessories are not implied.
Third-party reference image of the Keysight DSOX3054A from Megatech, with local background transparency applied. Actual used-unit condition, installed options and included accessories require verification.
Official Series 2600A application photograph includes an instrument, laptop, and device under test; page 13 explicitly lists 2612A. Accessories and computer are illustrative.
