Promaster ST1 Manual
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Promaster ST1 Manual

Wireless transceiver for canon
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Summary of Contents for Promaster ST1

  • Page 3: Table Of Contents

    Precautions Forward Parts Identification Basic Operation Transmitter operation Receiver operation Flash triggering Parameter control triggering mode Advanced Applications Shutter release function Firmware upgrade Troubleshooting Guide Specifications...
  • Page 4 Precautions 1. Do not attempt to disassemble, open, or repair this transceiver by yourself. 2. Always use batteries of the same type, brand, and age. Always replace both batteries at the same time. Do not combine different types, brands, old, or new batteries. This could cause the batteries to overheat, leak, or explode.
  • Page 5 From the transmitter you can directly control the flash mode, output power, and focal length for each group.The ST1's remote distance can reach up to 100m while supporting 15 wireless channels and 1auto channel.
  • Page 6 Firmware can be upgraded through the USB interface PC sync port Please read this manual while also referring to your camera and speedlight's instruction manuals. Included items: The ST1 comes with the following accessories. Transceiver Mini Stand Manual Mini Stand...

  • Page 7: Parts Identification

    Parts Identification PC sync port / USB Interface Hot foot...
  • Page 8 Parts Identification ①Status Indicator ②Power Switch ③Increase Button ④Battery Cover ⑤Decrease Button ⑥Confirm ‘OK’ Button ⑦Zoom/ Function Button ⑧Select/ Sync Button ⑨Mode Button/ Master or Slave Switch ⑩Locking Ring...
  • Page 9 Transmitter Display Focal Length Area Group Function Mode / Exposure Compensation isplay Area Number of groups Display Area Flash mode Transceiver Mode Channel Icon Power Icon AF Assist Beam Emitter State...
  • Page 10 Receiver Display Transceiver Mode...

  • Page 11: Basic Operation

    Basic Operation Inserting the batteries ① Opening the cover. Slide it down as shown by the arrow to open. Installing the batteries. Make sure the + and - battery contacts are properly oriented as shown in the battery compartment. Closing the cover. Close the battery compartment ①...
  • Page 12 Basic Operation Attaching to the camera Preparing to attach the transceiver. Loosen the locking ring by turning it in the direction of the arrow. Attaching the transceiver. Mount the transceiver into the camera's hot shoe by sliding it in all the way. Securing the transceiver.
  • Page 13 Basic Operation Turning on the power Turn on the power. Turn the power switch to <ON>. Turn off the power. Turn the power swith to <OFF>. In order to save power, the Transmitter will enter a sleep state after a specified time (this time can be adjusted as a custom setting).
  • Page 14 45MIN: 45minutes ● Use the buttons to OFF: Function canceled adjust a setting. *Standby controls the length of time before the ST1 enters sleep mode. Press the button for approx 2 seconds return to exit the Custom settings menu.

  • Page 15: Transmitter Operation

    Transmitter operation Focal length setting Press button to highlight zoom A. You can continue pressing the button to highlight B, C, D, or E group and control the zoom setting for that group. Press button to manually increase the zoom setting Press button to manually decrease the zoom setting...
  • Page 16 Transmitter operation Group 'Gr' Mode Setting Press and hold the button to choose Gr mode. (Each time you press and hold the zoom button for approx. 1 second the mode will toggle between Gr, TTL, M, and Multi.) Press the button to select a group (A, B, C, D, or E).
  • Page 17 Transmitter operation Manual Mode Setting Press and hold the button for approx. 1 second to toggle to Manual mode. Press the button to select the group icon. Press the button to change the group. Press button to confirm your selection.. Press the button choose a flash output level...
  • Page 18 Transmitter operation TTL Mode Setting Press and hold the button 1 second at a time to toggle to TTL mode. Press the button to choose an overall exposure compensation value. Press the button to highlight a group icon. Press the button to change the ratio or exposure compensation.
  • Page 19 Transmitter operation Multi Mode Setting Press and hold the button 1 second at a time to choose Multi mode. Press the button to toggle among group number, times, and frequency (Hz) . Press the button to choose values for each. Press button to confirm your selection(s) .
  • Page 20 Transmitter operation Transmitter channel setting Press button and hold it for approx. 1 second to highlight channel in any mode. to ch ose a channel. Press the button to confirm your selection. If another photographer is using a similar type of wireless flash system close by, your receivers may accidentally fire in sync with that photographer's transmitter.

  • Page 21: Receiver Operation

    Receiver operation Receiver group setting Press the button for 2 sec. to choose receiver (slave) mode. Press button to highlight group. Press button to choose a group. Press button to confirm the selection.
  • Page 22 Receiver operation Receiver channel setting Press the button for 2 sec. to choose receiver (slave) mode if you are not already in this mode. Press button to highlight channel. Press button to choose a channel. Press the button to confirm the selected channel.

  • Page 23: Flash Triggering

    Flash triggering Before flash triggering, make sure the transmitter and receiver are on the same channel, and a flash is placed on each receiver's hotshoe. Testing Turn on the transmitter, receivers and flashes. Press the transmitter's test button. All groups which have been selected will flash at once.

  • Page 24: Advanced Applications

    Advanced Applications Shutter release function The ST1 can also be used as a wireless, remote shutter release for your camera. Install the transmitter on the camera’s hot shoe, and use a shutter connecting cable to connect the transceiver's PC sync port to the camera.

  • Page 25: Firmware Upgrade

    Advanced Applications Firmware Updates The ST1 has a USB service port located next to its PC sync port. While the ST1 is designed to work with cameras presently available in the market, it may require firmware updates as new cameras and speedlights are released, or as cameras are updated with new firmware Refer to www.promaster.com...

  • Page 26: Troubleshooting Guide

    Troubleshooting Guide Power does not turn on. Replace the batteries if they are low or out of power. Check that the batteries are installed in the correct orientation. The slave speedlight does not fire. Make sure all transceivers are powered on and the speedlight is on and in a ready state.
  • Page 27 Troubleshooting Guide The picture is underexposed or overexposed. Be cautious of highly reflective objects (glass window, etc.) which can trick the camera's exposure meter. If the subject is very dark or very bright, you may need to use flash exposure compensation. When high-speed sync is set, the effective flash range is shorter.

  • Page 28: Specifications

    Specifications System type: Digital FSK 2.4GHz wireless controller Range: 100M Channels: 15 channels and 1 auto channel Flash modes: Gr / TTL / Manual / Multi / DT Sync modes: front-curtain sync, FP sync Groups: 5 Groups (A/B/C/D/E) within Gr mode 3 Groups (A/B/C) within other modes Shutter: Supports camera control camera...

This manual is also suitable for:

St1c

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