Trouble shooting, Guide number table, Batteries are exhausted – Nissin i400 TTL Flash for Cameras User Manual
Page 18: The unit is set for manual exposure mode, The flash unit is automatically powered off, Install batteries to correct direction, Use fe or fv lock, Set to ttl mode or other power level, Turn on the switch again, Zooming position
Install batteries to correct direction.
Trouble Shooting
The flash unit does not start charging.
Batteries are not correctly installed
Mount the flash unit firmly on the camera's hot shoe.
The flash unit does not fire.
The flash unit is not firmly clipped on the camera
Replace the batteries if the recycle time is beyond 30 seconds.
Batteries are exhausted
>>>
>>>
>>>
Use FE or Fv lock.
The flash picture is overexposed or underexposed.
A reflective object or strong lighting is near the subject
>>>
Set to TTL mode or other power level.
The unit is set for manual exposure mode
>>>
Turn on the switch again.
The flash unit is automatically powered off
>>>
Guide Number table
Guide No. at manual exposure mode (ISO 100 in meters)
Zooming
Position
24mm
28mm
35mm
50mm
70mm
85mm
105mm
Full
1/2
1/4
1/8
1/16
1/32
1/64
1/128
22
16
11
8
6
4
25
32
23
16
11
8
6
27
19
14
10
7
5
36
25
18
13
9
6
38
27
19
13
10
7
40
28
20
14
10
7
18
13
9
6
4
3
4
3
5
5
5
3
2
3
2
3
3
4
2
1/256
1
2
2
2
2
2
2
Flash Power Level
18