Shimadzu Spd20a User Manual !link! -

For standalone use, navigate to the SPD-20A panel and switch the lamp from "off" to "D2". If using software, the lamp can be programmed to ignite upon method download.

Standard daily operations follow a specific sequence to protect the instrument: shimadzu spd20a user manual

Shimadzu SPD-20A Service Manual | PDF | Optical Filter | Light For standalone use, navigate to the SPD-20A panel

Turn the main power switch to ON. The power indicator bar on the right side of the display will turn green. For standalone use

Allow the lamp to warm up (typically 30–60 minutes) and the baseline to stabilize before starting an analysis.

Place on a stable, level surface with at least 600 mm of depth and maintain 100 mm of clearance at the rear for proper airflow.