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Reference:
• Refer to the radio Receiver or Transceiver instruction manual for the recommended operating
method.
• Maximum distance of the radio flash triggering system can vary depending on the placement
of the remote Receiver or Transceiver, direction of the radios antenna, distance from a
large body of water or concrete wall and other possible factors.
1. Confirm the range between the meter (transmitter) and Receiver or Transceiver.
2. Place the meter and Receiver or Transceiver away from large metal objects, concrete,
objects, large moisture content (both people and trees fall into the category) and so
forth.
3. Secure the radio Receiver or Transceiver in place by using Velcro tape or a 1/4-20
mounting screw. Be sure that the entire length of the Receiver or Transmitter antenna
is higher than the flash pack. Avoid contact between the Receiver or Transceiver
antenna and metal objects at all times.
4. Depending on the location, there may be cases when the Receiver or Transceiver is
incapable of receiving any radio signals whatsoever. There are several possible causes
for this such as radio signals reflected off of nearby objects. This can generally be
resolved by shifting the meter (Transmitter) or the Receiver or Transceiver slightly in
one direction or another. In addition, confirm that the Receiver or Transceiver is not
placed behind objects that readily absorb or deflect radio signals such concrete, metal,
low hills, etc.
NOTE:
• The Wireless flash triggering system may be used only in countries where a permit for the
control frequency has been issued by the government office in charge. There are several
kinds of frequencies in the world, and we recommend you check if your transmitter(s) and
receiver(s) or Transcevers are compatible with each other.
5. Measurement
L-758D or L-758CINE
(FCC & IC version)
RT-32FCC
(for FCC & IC)
L-758D or L-758CINE
(CE version)
RT-32CE
(for CE)
Sticker on the back
indicates “Use RT-
32FCC for radio
transmitter module”
Sticker on the back
indicates “CE”
• Be sure to purchase either RT-32FCC or RT-32CE module according to your light meter’s
destination. Old RT-32 module cannot be used with L-758D or L-758CINE.
No compatible