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Altura Photo RT-305 User Manual
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Altura Photo RT-305 User Manual

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RT-305 TRIGGER
USER'S MANUAL

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Gonzalo
May 17, 2025

¿Cómo puedo vincularlo **** el flash

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Summary of Contents for Altura Photo RT-305

  • Page 1 RT-305 TRIGGER USER'S MANUAL...
  • Page 2 For video tutorials about your product(s), customer support, updated user manuals, and all other Altura Photo news please visit: alturaphoto.com...

  • Page 3: Foreword

    Thanks for purchasing this Altura Photo product. The wireless power-control flash trigger is designed for versatile use. When used with an Altura Photo flash it is not only a flash trigger but also incorporates multiple functions, such as, adjusting power ratio and adjusting...

  • Page 4: Table Of Contents

    CONTENTS Foreword For your Safety Nomenclature Using the Trigger Technical Data Troubleshooting Maintenance...

  • Page 5: For Your Safety

    FOR YOUR SAFETY Before using this product, please read the following safety instructions carefully in order to ensure your safety and the proper operation of this product. Keep for future reference. Failure to observe the following precautions marked by could result in product damages.
  • Page 6 Keep dry. Do not handle with wet hands, immerse in water, or expose to rain. Failure t observe this precaution could cause fire or electric shock. Do not use in the presence of flammable gases. Failure to observe this precaution could result in fire or explosion. Keep out of reach of children.
  • Page 7 Do not expose to high temperature. Do not leave the product in a closed vehicle in the sun or in other areas subject to extremely high temperature. Failure to observe this precaution could result in fire or damage to the casing or internal parts.
  • Page 8 • Do not attempt to install batteries in the reverse direction. • Batteries are prone to leak when fully discharged. To avoid damage to the product, be sure to take out the batteries if the product will not be used for an extended period or the battery power is empty.

  • Page 9: Nomenclature

    NOMENCLATURE ON/OFF Switch LCD display Power-Control Group Select Dial RT-305 Channel Select Switch Set Button Buzz Switch Modeling Lamp Switch/ AF-assist Beam Switch...
  • Page 10 Test Button (-) Button RT-305 (+) Button Hot shoe Indicator Antenna Battery Compartment...
  • Page 11 Battery The transmitter needs two size-AA batteries (not included). Slide the battery compartment cover of the transmitter and insert the batteries. Low Battery Indication. When the battery power drops below (<2.2V), a battery symbol appears on the LCD display. Please change the batteries. Low battery power will either reduce the transmitters range or won't trigger the flash at all.
  • Page 12 Power-Ratio Display Mode The RT-305 has 3 modes to display a flash's power ratio. • 1/128-1/1: widely adopted in most shoe mount flashes. • 5.0-10: adopted in some studio flashes. • 1.0-7.0: adopted in some studio flashes. The 3 display modes can be switched over by pressing the Set Button and holding for 2s.
  • Page 13 CH14 CH15 CH16 Display Screen Note: When using RT-305 transmitter in combination with the AP-305(C/N/S) set the flash to Manual mode. The RT-305 must be set to the same channel for wireless control. Otherwise, the flash unit will not respond.
  • Page 14 (A/B/C). Once you’ve made your selection Rotate the Power Grade Dial on the RT-305 to the corresponding group. Press the +/- buttons to adjust the power ratio of the flash within that group. Press the test button to check if the Transmitter and flash are connected.
  • Page 15 • The Dial of the RT-305 and the AP-305(C/N/S) Flash must be set to the same grade. Otherwise, the flash unit will not respond. • Flash triggering is only related with Channel Select Switch. The Power-Control Group Select Dial only decides which flash or flash group to be controlled in terms of functions such as power setting.
  • Page 16 range is "OF, 5.0-10" or "OF, 1.0-7.0" for studio flashes and "OF,1/128-1/1" for shoe mount flashes. "OF" means the flash triggering function is shut down on the flash. To disable the flash triggering of a flash group, press "-" and "+" buttons at the same time, with the panel displaying "OF".

  • Page 17: Using The Trigger

    USING THE TRIGGER • Adjusting Wireless Flash Settings The Transmitter can wirelessly adjust the following settings: - On the transmitter, set the Channel Select Switch to the corresponding channel set on the Flash. - Adjust the flash settings on your transmitter. •...
  • Page 18 Model RT-305 Transmitter Power Supply 3V (2*AA Ni-MH or alkaline batteries) Transmit Frequency 2.4 Ghz wireless remote system Workable Distance Over 100 m/328 ft (open areas) Control on Flashes Flash power ratio Power-ratio display mode Flash triggering Max. Sync. Speed...

  • Page 19: Troubleshooting

    TROUBLESHOOTING • Unable to trigger a flash by pressing Test Button or the camera's shutter-release button - Make sure batteries are installed properly and the trigger set is powered on. - Check if the transmitter and the flash are set to the same channel. If not, set to the same position.

  • Page 20: Maintenance

    MAINTENANCE • Avoid sudden drops. The device may malfunction after strong shocks or impacts. • Keep dry. The device is not water-proof. Malfunction, rust, and corrosion may occur and the device may go beyond repair if immersed in water or expose to high humidity.
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