Op tx (master) and op rx (slave) wireless modes – Phottix Mitros for Canon User Manual

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INSTRUCTION MANUAL

OP Tx (Master) and OP Rx (Slave) Wireless Modes

OP Tx (Master) and OP Rx (Slave) modes use Canon wireless control and trig-

gering system. A Mitros+ flash set to OP Tx (Master) is needed on the camera to

control remote (slave) flashes set to OP Rx (Slave). The same transmission chan-

nel needs to be set on both Master and Slave flashes. Groups need to be set for

Slave flashes, Group Ratio functions need to be set for Master flashes. A Mitros+

set to OP Tx (Master) or other compatible flash in Master mode can be used

on the camera to control and trigger Mitros+ flashes in OP Rx (Slave), or other

compatible flashes in Slave mode.

OP Tx (Master) Mode:

1. Pressing

button will allow changes to be made to the flash firing,

transmission channel and ratio mode and ratio.

2. With the flash icon

highlighted and blinking press the

or

buttons to turn the flash firing on or off (see below).

3. With transmission channels highlighted, press the

or

but-

tons to change the channel from 1-4.

4. With the ratio mode highlighted, press the

or

buttons to

change the wireless ratio mode (see below).

5. With the ratio highlighted, press the

or

buttons to change

the wireless ratio. When in M or Multi mode, flash parameters of the slave

units can be set individually on the OP Tx (Master) flash (see below).
6. Press the button to confirm and exit the screen.

Master with Flash mode :

The Master flash on the camera will fire

when a photo is taken.

Master without Flash mode :

The Master flash on the camera will

not fire when a photo is taken. The flash will emit a short burst of light to

communicate with slave flashes but this light will not be part of the exposure.

To set OP Rx (Slave) Mode:

1. Pressing

button will allow changes to be made to the flash’s channel

and group.

2. With transmission channels highlighted, press the

or

But-

tons to change the channel from 1-4.

3. With group highlighted, Press the

or

Buttons to change the

group the flash is assigned to (A,B,C).
4. Press the

button to confirm and exit the screen.

5. When OP Rx (Slave) flashes are ready to shoot the AF Assist light on the

front of the flash will blink once every 1 second.
6. To set Multi or M modes for the Slave – press and hold the

button for

approximately 2 sec.
7. Set Power Levels or Multi Strobe Frequency / Flash Count using the arrow

buttons.

Please note:

- Make sure the OP Tx (Master) and OP Rx (Slave) flashes are set to the same

transmission channel (1-4).
- Do not place any obstacles between the master unit and slave unit(s). Obsta-

cles can block signal transmissions.

- When using wireless bounce flash, please ensure the slave flash Wireless Signal

Receiver Area faces toward the Master flash.
- When using only one flash set Wireless Mode to “Off”.

Transmission Channels

The Phottix Mitros+ OP Tx/Rx Wireless system has four transmission channels: 1,

2, 3 and 4. Signals from the OP Tx (Master) flash are sent to OP Rx (Slave) flashes

on these channels. If Master and Slave flashes are set to different channels the

Slave flashes will not fire.

Using OP Tx/Rx Wireless Triggering

With a flash in OP Tx (Master) mode on the camera and remote flashes in OP Rx

Slave mode, pressing the shutter button will fire the OP Tx (Master) flash (if set to

fire the flash) and flashes set to OP Rx (Slave) mode within the range of the OP Tx

(Master) flash. The camera and flash will meter the scene and fire flashes in TTL

mode to properly expose the scene.

Ratio Modes

Slave flashes can be controlled by the master flash in different ratio modes.

Available modes are:

ETTL Modes

A+B+C All three groups fire at an average of the total calculated output.
A:BC Groups A and B can be set by Flash Ratio (see below). Group C is inde-

pendent with its flash output level assigned by the camera.
The EV compensation of Groups A and B can be adjusted.
1. Press the button after exiting the Flash Ratio Setting Screen.

2. Press the

or

buttons to adjust up or down EV for Groups

A and B.
3. The EV compensation for Group C can also be adjusted.

4. Pressing the

button after setting the flash ratio will move the high-

lighted selection to EV adjustment for Group C.

5. Press the

or

buttons to adjust the EV for Group C.

A:B

Groups A and B can be set by Flash Ratio (see below). Group C is not

adjustable and does not fire.
The EV compensation of Groups A and B can be adjusted.
1. Press the button after exiting the Flash Ratio Setting Screen.

2. Press the

or

buttons to adjust up or down EV for Groups

A and B.

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