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Alternative power supplies
External power pack supply and PC sync sockets.
1. DC power input interface
The speedash can be made more exible
by using an external 6-8V / 10A DC power
supply to help conserve the power of the
batteries.
2. PC sync interface
Also called
ash sync interface
, PC sync
interface is used to connect a camera and
a ash, or a ash and a trigger, so that
the shutter release can trigger the ash
simultaneously.
Common ash modes
Automatic TTL ash mode
Set the camera’
s shooting mode to <P> (Progr
am Auto Exposure) or
Green frame
(Auto) and the ash to TTL for fully automatic ash
operation
Select the ash mode
Press the MODE select button repeatedly until the LCD display shows
‘TTL’ (below, left).
Set the ash exposure compensation value
The exposure compensation can be set whilst in standby mode. Set the
exposure compensation value using the directional keypad. Pressing
the right button will increase the value of exposure compensation,
whereas pressing the left button will decrease it (below, right).
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