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2. The continuous light output in
HSS sympathy mode does not freeze
would do. Instead, an HSS
blur, much like a continuous light
source would. In order to freeze
motion using the HSS sympathy
mode, you need to use high
shutter speeds.
3. Increasing the shutter speed in
HSS sympathy mode implies that
decreases accordingly.
Whenever changing the shutter
speed, you also need to adjust
to maintain the same contribution
Using the RF60 in HSS Sympathy Mode
To use RF60 in HSS sympathy mode, you
capability.
2. Switch the RF60 Master to HSS
sympathy mode by pressing the
MULTI/HSS button twice. The
centre row of the LCD display will
show HSS . This will
automatically turn on the optical
slave trigger in S1 (the mode in
11.3). Meanwhile, all RF60 Slave
unit(s) in activated group(s) will
turn into HSS sympathy mode
automatically.
3. Position the RF60 Master with its
optical sensor facing the TTL
4. Take a test shot by pressing the
5. If the frame is not evenly
illuminated from top to bottom,
set the delay timer (see Section
11.4) of the RF60 Master to 10ms
and then 15ms, 20ms, etc, until
The optimum delay time that works
with a high shutter speed should
be within the range of 10ms to
100ms.
Setting the Delay Time for HSS
Sympathy Mode
Consider the following when setting
the delay time for the HSS sympathy
mode:
if the
mode, the delay time should be
within the range of 0-10ms. If the
would have to set a delay time at
55-100ms, depending on the camera
brand and shooting aperture
(F-nu mber).
Camera brand: The following delay
time ranges are suggested for
different camera systems:
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