This document provides instructions for the Sigma EM-140 DG, an electronic macro flash unit. It details the setup and operation of the flash, including the use of the TTL function for automatic exposure control with compatible camera bodies. The manual explains how to configure the flash for various modes, such as manual, multi-flash, and slave operation, as well as how to attach it to the camera or use it with a light stand.
The maximum ISO setting supported is ISO 100.