Yongnuo YN568EX Instructions Manual

I. W arning

To avoid fire or electrical shoc k, do not expose this product to rain or moisture.
To avoid short circuit, be sure the batteries con tacts are securely packed and in accordance with local provision
when handling the batteries.
Please place the b atteries an d the part s which can b e swallowed mis takenly a way from chi ldren. Con tact a docto r
immediately when it occurs.
To avoid possible injury to eyes, do not use the flash light in a short distance from the eyes.
To avoid possible safety accident, do not use the flash light on the people who need a high degree of attention.
Please take out the batteries and stop using immediately in case of below.

● This product is dropped or shocked seriously and the inner part of the product is bare d.

● If the battery leaks corrosive liquids, please take out the battery with gloves.

● The product gives off strange smell, smokes or heats.

Do not disassemble or maintain this product. Touching the internal high voltage circuit will cause e lectric shock.

II. Features

z SUPPORTS HIGH-SPPEED SYNC FLASH

With high -speed sync (FP flash), the YN568EX can synchronize with a ll shutter speeds, the maximum shutter sync
up to 1/8000.

z COMPATIBLE WITH N’s and C’s WIRELESS FLASHING SYSTEM

One YN568EX is able to respectively accept internal flashing of 580EX II, SB-900/800/700, 7D/60D/600D, C
order of N’s internal flashing and ST-E2 wireless signal, a chieves external TTL and manual flashing.

z LARGE-SIZE LCD DISPLAY

Flashing function can be checked and set on a more clearly and subjectively basis and can be used more
conveniently by Large-size LCD display.

z GN58@ ISO100，105mm

YONGNUO brand-new range of speedlites with high index support TTL, M, Multi flashing model.

z MULTIPLE TRIGGER MODE SUPPORTED

YN568EX can be triggered by the camera set-top, built-in or main-controlled flashing command, S1 and S2
preflashing.
z SUPPOR TS MOTOR ZOOMING（24~105mm）
The covered focal length will vary between 24～105mm on the lamp adapter by operating the zoom button on the
flash light.

z COMPREHENSIVELY SUPPORTS TTL FUNCTIONS

HSS, FEC, FEB, Rear-curtain sync, FE lock, Modeling Light, Canon camera menu accessable.

z REMOTE WIRELESS TRIGGER SUPPOTRED

The YN568EX supports remote wireless trigger function, which makes the Sc/SnS1/S2 mode can be used in
outdoor environme nt and the wireless trigger distance is as long as 15 meters.

z SOUND PROMPING SYSTEM

When the sound prompting system is enabled, the different sound ways will prompt the different working
conditions of the spee dlite so as to make you focus on shooting only.

z COMPLETED WITH 2.5mm PC SYNCHRONOUS INTERFACE

It makes things easier on lightening the speedlite synchronously by using PC synchronous line.

z FAST CURRENT-RETURN SYSTEM

The time for full gloss output current-return will only take you 3 seconds; you can get fast current-return
experience even witho ut brand-new batteries, which w ill only take you 4~5 seconds.

z ANDVANCED OPTION FUNCTIONS

YN568EX has advanced options setting function, where you can self-define the functions of the speedlite on your
own requirements.

z AUTOMATIC SAVING FUNCTION

YN568EX can automatic ally save the operation currently used for your future use.

III. Quick Start

If you don’t have much time to read the whole user manual, we advise you to read this section.

1. Please avoid the excess ive use of the outp ut with maximum power. It can effectively ext end the service li fe of

this product.

2. You can understand the function of each button by pressing them and observing the displayed content.

3. Press the [High-speed /Shutter curtain sync] button to se lect High-speed sync function.

4. Press [MODE] button to select TTL/M/Multi mode, holding [MODE] for a while to select remote trigger model,

and then press [MODE] again to select Sc/Sn/S1/S2.

5. Set slave group A/B/C by operate [CH] and [MODE] buttons, set channels (1, 2, 3, 4) by [CH] and [ZOOM]
buttons.

6. Press the [UP], [DOWN], [LEFT], and [RIGHT] buttons to adjust the parameters of speedlite quickly at the
current mode. For som e parameters, the [OK] button in the center is needed to be pressed for setting.

7. Select the function of advanced option through [Illumination/Sound] and [MODE] buttons. See the section of
“Advanced Setting” for the content.

8. This product provides M, Multi, and remote TTL mode.

IV. Nomenclature

1．Reflection board
2．Wide-angle diffuser
3．Flash head
4．PC port (for input)
5．Contact cover
6．Battery chamber’s cover
7．Wireless trigger sensor
8．Remote indicator
9．AF-LED
10．Locking ring
11．Hot shoe stand
12．Sound port
13．Hot shoe contact

14. LCD screen: Display all functions and application setting of speedlite, convenient for users’ examination and
quick setting.

15. High-speed / rear curtain synchronous bu tton：Rear curtain sync and high-speed synchronous function can
be set by directly operating this button.

16. ZOOM button: Directly operating [ZOOM] button can adjust the zoom rang of lamp holder (auto, 24, 28, 35,
50, 70, 80, 105mm).

17. Power switch (ON/OFF): Press this button for about 2 seconds and tur n on or off the power of speedlite.

18. Selection/setting button set: Include [Left], [Right], [Up], [Down] and [Ok] at the center; [Left] and [Right]

button can set exposure compensation, output power, advanced options parameter, stroboscopic flash times,
stroboscopic flash frequency; [Up] and [Down] button can set exposure bracketing, fine brightness adjustment and
advanced options n umber .

19. MODE: Under the camera set-up state, flash mode shall switch between TTL/M/Multi with every pressing;
under wireless off-camera state, trigger mode of the speedlite shall switch between Sc/Sn/S1/S2 with every
pressing. And if press [MODE] for a long time, shift between the camera set-up and off camera state can be made.

20. Backlight/sound switch: LED backlight can be turned on or off by pressing this button for a short time; and
sound prompt function o f the speedlite shall be turned on or off by pressing this butto n for about 2 seconds.

21. Charge indicator/test button (PILOT): Red lamp means charge is completed, flash can be made; green lamp
means charge is being on, and press this button (PILOT), the speedlite shall send test speedlite.

V. Installation Instruction

1. Install Batteries

Slide the batteries chamber’s cover in the direction of the arrow.
Insert the batteries according to the label inside battery chamber.
Make sure the direction of the batteries’ polarity is correct.
Close the battery chamber cover in the direction of the arrow.

2. Attaching to the Camera

Loosen the locking ring by turning it in the direction of the arrow.
Slip the speedlite hot shoe stand into the camera hot shoe stand until it stops.
Turn the locking ring in the direction of the arrow tighten.
To detach the speedlite, loosen the locking ring by turning it in the opposite di rection.

VI. Basic Functions

1. Button Operation:

Parts Operation

[ON/OFF] Turn on or off the power of speedlite by pressing this switch for a long time.

It is recommended to take out battery after turning off the power of the speedlite.

[MODE]button When use the speedlite roof, flash mode shall switch between TTL/M/Multi wit h every pressing.

When the speedlite is under wireless off-camera application mode, trigger mode of the speedlite
shall switch between Sc/Sn/S1/S2. And shift between roof or off-camera state can be made by
pressing this button for a long time.

[Backlight/Sound]

button

LCD backlight can be turned on or off by pressing this butt on for a s hort time; and sound pr ompt
function of the speedlite shall be turned on or off by pressing this button for about 2 seconds. And
if keep this button and press [MODE] button, it can enter into advanced options setting state.

[High-speed / rear

curtain sync] button

When use the speedlite roof, flash mode shall switch between high-speed sync/rear curtain s ync
with every pressing. When the speedlite is under off-camera application mode, together with
[ZOOM] button set, this button can set communication channel (1/2/3/4), and with [MODE]
button set, this button can set slave group (A/B/C).

[ZOOM] button Zoom range of lamp holder (auto, 24, 28, 35, 50, 70, 80, 105 mm) can be adjusted by directly

operating [ZOOM] button.

Selection/setting bu tton

set

Include [Left], [Right], [Up], [Down] and [Ok] at the center; [Left] and [Right] button can set
exposure compensation, output power, stroboscopic flash times, stroboscopic flash frequency,
advanced options parameter, [Up] and [Down] button can set fine brightness adjustment and
advanced options number.

[PILOT] button Flash output brightness test can be made by pressing this button.

Meaning of [Charging indicator]

Status of [Charging Indicator] Meaning Operation
The red light is lit The speedlite is fully charged, and can be used. Normal

The green light is lit The speedlite has not been fully charged. Waiting for the completion of charging.
The green light blink

The power is not enough, and the speedlite is about to shut
down.

Please replace the batteries.

The meaning of [Sound indicator]

The sound form Meaning Operation
Tick twice The sound indicator is enabled;

The speedlite is started or flash is ok.

Normal

Three tick, two times The exposure may be over Adjusting exposure compensation or charging shooting condition

Tick tick tick The exposure may be excessive Adjusting exposure compensation or charging shooting condition

Tick—tick twice—tick
twice

The speedlite is in the charging or overheating
protection state.

Waiting for the completion of charging;

waiting for about 3 minutes to cancel the protection.
Tick——a long sound The speedlite is fully charged, and can be used. Normal
Tick—tick —tick

The power is not enough and the speedlite is going
to be shut down.

Replace the batteries.