2: Operation
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Manual Mode
In this mode you can switch the bulbs and the shutter via the corresponding push buttons.
Control
Action
Deuterium
Press button to turn Deuterium bulb on. The LED lights. Observe the warm-up time of 6
minutes to ensure that the light source has reached a stable operating state before taking
measurements.
Press button again to turn the Deuterium bulb off. The LED extinguishes.
Halogen
Press button to turn Halogen bulb on. The LED lights. Observe the warm-up time of 6
minutes to ensure that the light source has reached a stable operating state before taking
measurements.
Press button again to turn the Halogen bulb off. The LED extinguishes.
Shutter
Press button to open shutter. The LED lights.
Press button again to close the shutter. The LED extinguishes.
TTL/Manual Press button to switch from Manual mode to TTL mode. The LED lights. See
TTL Mode
.
Press button again to switch from TTL mode to Manual mode. The LED extinguishes.
TTL Mode
The DH-mini always starts up in TTL mode. You can also switch to TTL mode by pressing the
TTL/Manual button (yellow LED is lit) if the light source is in Manual mode. The bulbs and the shutter
assume the state of the corresponding TTL signal when the light source is in TTL mode.
Note
If there are no signals connected to the logic ports o rear of the device, the device reads a
low signal (Deuterium bulb off, Halogen bulb off and shutter closed).
