User Manual

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12.0 FREE
X
WIRE Performance Guide
How to maximize performance, troubleshoot, and answer questions about
Quantum’s FREE
X
WIRE Wireless Photo Control System.
If for some reason we don’t have an answer in this guide, please email, fax, write or
call Customer Service for further assistance.
Good radio performance depends on several factors: The orientation of a radio and
antenna, the presence of other radio signals which may interfere, and the presence
of objects which may interfere. As the range increases, these issues become more
important. At close range, performance is less critical.
The following suggestions will maximize range and reliability of your
FREE
X
WIRE link:
Orientation
The maximum range may be possible when all FREE
X
WIRE antennas are aligned
vertically. If FREE
X
WIRE is attached to a camera and you change from vertical to
horizontal framing, you can easily swing the FREE
X
WIRE antenna back to vertical.
When shooting quickly and changing from horizontal to vertical framing, you may get
good results the TX antenna at 45° as shown. That will provide reasonable range
without adjusting the antenna with every shot. The receiver antenna remain fixed
horizontally or vertically.
45˚
90˚
11.0 Miscellaneous
11.1 High Speed Sync for remote flash:
For highest sync speeds: Turn on all zones of Receiver FW8R units. High speed
sync allows shutter speeds up to 1/500 for focal plane and 1/1000 for leaf shutters.
TTL mode does not work with high speed sync.
11.2 External Power:
You can power FREE
X
WIRE externally with AC adapters, Quantum Batteries, or with
a Qflash connected by an FW31 Accessory cable. Appendix E lists AC adapters that
connect to the EXT power jack. To utilize external power, switch FREE
X
WIRE OFF
(EXT). When external power is removed, switch FREE
X
WIRE ON to power it from
its internal batteries.
Warning: Use only Quantum specified external power to avoid possibly damaging
FREE
X
WIRE.
“Normal sync” speeds are 1/250 for focal plane and 1/500 for leaf shutters (or
slower) when selecting one, two or three of the Zones on any FREE
X
WIRE RX
unit.
P604A 6/27/07 9:02 PM Page 18