RT-305 TRIGGER USER'S MANUAL
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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 flash output.
CONTENTS 2 1 Foreword 3 For your Safety 7 Nomenclature 15 Using the Trigger 16 Technical Data 17 Troubleshooting 18 Maintenance
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. The icon indicates warnings that should be read beforehand to avoid any possible damage or injury. Do not disassemble or modify. Failure to observe this precaution could result in electric shock or product malfunction.
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. This product contains small parts that may pose a choking hazard. Should a child swallows any part of this product, consult a physician immediately. Turn off the trigger inmediately should malfunction occurs.
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. Observe precautions when handling batteries. Batteries may leak or explode if improperly handled. Please observe the following precautions when handling batteries for this product: • Use only batteries listed in this manual. Do not mix new and old batteries.
• 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. • Should liquid from damaged batteries com into contact with skin or clothing, rinse immediately with fresh water.
NOMENCLATURE 1. ON/OFF Switch 2. LCD display 3. Power-Control Group Select Dial 4. Channel Select Switch RT-305 5. Set Button 6. Buzz Switch 7.
8. Test Button 9. (-) Button 10. (+) Button 11. Hot shoe 12. Indicator 13. Antenna 14.
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. Power Switch Turn the transmitter on by sliding the ON/OFF Switch to ON. The LCD display will then light up.
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. Channel Select Switch Both the Transmitter and the AP-305 Flash have 16 channels for communication. Set the TR-305 Transmitter and AP-305 Flash to the same channel before use.
The relationship of RT-305 and AP-305(C/N/S) wireless system: RT-305 Code Switch AP-305 Display Screen CH01 CH02 CH03 CH04 CH05 CH06 CH07 CH08 CH09 CH10 CH11 CH12 CH13 CH14 CH15 CH16 RT-305 Code Switch AP-305 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.
Power-Control Group Selection The transmitter features a 16-grade Power Control Group Select Dial. With these 16 grades, you can wirelessly control at most 16 flash groups in terms of the following functions: flash triggering and adjusting the power ratios. Activate the Slave function on your AP-305 Flash and set the flash mode to manual. Make sure that the channel (1-16) matches with the channel switches on the RT-305 Transmitter. Next, select a flash group.
• 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. OTHER BUTTONS 1. Set Button Press the Set button and settings on the transmitter will be communicated with the flash. Will blink for sec. on the LCD display.
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". 3. Test Button Press Test Button to fire the flash. Both the indicators on the transmitter and the the flash unit will blink.
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. • Wireless Triggering the Flash - On the transmitter unit, set the channel switches to the desired channel position. Then select the same channel on the flash unit. - Press the Test Button to fire a flash.
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 16 Max. Sync. Speed 1/250 second Channel 16 Fits cameras Canon, Nikon, & Sony Transmitter Dimension 97.6 * 49.9 * 36.95 mm Weight 2 oz (56.
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. - Check if the trigger is securely seated into the camera's hot shoe. • Signal disturbance or shooting inteference - Change a different channel on the trigger. • Short workable distance or flash missing.
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. • Avoid sudden temperature changes. Condensation may happen if the ambient temperature changes suddenly, for example, in a case when the trigger is taken out of a build with a high temperature to outside in winter.
