Yongnuo YN-04II Service Manual

Serv

ice Manual

of the YONGNUO

Wireless

Flash Guidance Device

YN-04

II

I

. Installation

instruction

A. Launcher

1. Open the battery cover

of the

launcher;

2. Insert

the battery (23A 12V) according to the (+/-) mark

within the battery

cap correct

ly and close battery

the

cover.

B. Receiver

1. Open the battery cover

of the

receiver;

2. Insert

the

battery (CR2) according to the (+/-) mark

within the battery cap

and close

the

battery cover.

II

. Application method

A.

Common method

1. Ins

ert the flash lamp into the hot shoe of the receiver and press the button

on

the

receiver. When the indication lamp of the receiver flashes, it
indicates that it has started up. The indication lamp will flash once every 3s
under normal circumstance.

2.

Set the launcher and receiver in the same

channel,

start

the power of the
flash lamp and set up the output brightness of the flash lamp, then press
the measurement button on the launcher, if the flash lamp flashes, it
indicates that

the product is under normal

operation.

3.

Insert the launcher into the hot shoe of the camera, at that time you

can

utilize the camera to point to the landscape to be shot and

then

press

the
shutter, the flash lamp on the receiver will flash under the synchronous
signal

of the

launcher and then the picture required

is achieved.

B.

Special method
On the basis of che common mechod, another flash lamp can be inserted into
the hot shoe which is build in YN-04 launcher. During shooting, the flash lamp
on top machine launcher as well as on the receiver will flash synchronously
according to the shutter of the camera, reaching an excellent flash fill effect.

C. F

lash

guidance of the film making lamp

On the basis of the common

application

method, you can also use the given

connection wire to connect the film making lamp with the synchronous end

of

the receiver.

During

shooting, the film making lamp will flash under the

synchronous signal as well.

D.

Application

of the

multi-lamp

You can purchase several YN-04 receivers

to

connect with vario

us flash lamps
respectively and to be put in different places and angles, then insert the
launcher into the hot shoe of the camera, at this time, all the flash lamps will
flash under the synchronous signal of the camera,

reaching

the effect

that

several la

mps

will guide the flash.

III

. Points for attention

1. When utilizing YN-04, the channel

of the

launcher

and the

receiver must be

the same.

2. If the

flash guidance

distance can not reach the need for normal application,

please inspect whethe

r the battery quantity

of the

different parts is sufficient
and then ensure whether the signal interrupt of the shooting environment
you stay is too serious.

IV

. Specification

Wireless band

ASK is adopted and there are 4 channels

to be

set by

the user

Output

terminal

Hot shoe of the receiver, synchronous end and hot

shoe

of the

launcher

Synchronous speed

1/250 seconds

Remote distance

15-30

meters

Application time of
the

launcher

More than 1000 times

Standby time of the
recei

ver

More than 100 hours

Launcher power

23A 12V

Receiver power

CR2