Sachtler aktiv14T Touch & Go Fluid Head with SpeedLevel & 7-Step Drag (100mm) - Manual (Page 12)

10
Operating Elements
PrismBubble
The fluid head is fitted with an illuminating bubble level which allows
easy levelling in poor lighting conditions.
The head also features a prism to view the bubble when the head is
too high to view from above. This Prism also incorporates the On / Off
switch.
In addition the PrismBubble may be lit on its own or with the control
LED’s to enable setup up in low light conditions.
The illumination will be activated by pushing the bubble prism window.
1. Pressing the window briefly will turn on the level bubble LED for
approx.10s ± 1s.
2. Pressing and holding the window for >1s will turn on the level
bubble LED and all control LED’s for 20s ± 2s.
3. Pressing the window again when any of the illuminations are on,
will turn every LED off.