Warning
When using this instrument, please do not look directly at the optical interface or the end of the optical �iber with
your eyes, avoid eye damage!Any change or modi�ication not explicitly permitted in this manual will deprive you of
the right to operate the equipment.To reduce the risk of �ire or electric shock, do not expose the equipment to
thunderstorm or humid environment.In order to prevent electric shock, do not open the shell, it must be repaired by
the quali�ied personnel designated by the manufacturer.
Attention
Battery: The battery in the machine is a special lithium-ion polymer battery. The charging voltage is 5V, and the
charging temperature ranges from 0℃~ 50℃. When the ambient temperature is too high, the charging will
automatically terminate. When the instrument is not used for a long time, the battery should be removed. The
temperature range of the battery during long-term storage is -20℃~ 45℃.
Please use the special AC adapter attached to this instrument and use the external power supply strictly according to
the speci�ications, otherwise the equipment may be damaged.
LCD screen: The display of this series of instruments is 3.5 inch color LCD. In order to maintain good viewing effect,
please keep the LCD screen clean and clean. When cleaning, the LCD screen can be cleaned by wiping with soft
fabric.
VFL
OTDR
4
3
1
Optical Fiber Tester
3
1
2
F1
F2
F3
OK
Zoom key
Zoom function key, combined with
direction keys to operate.
ON/OFF key
Short press to turn on, long press to
turn off; after turning on, short press
to turn on or off the flashlight.
OK key
Enter the next level of interface, Enter function
Turn on and enter the main menu. There are
eight functional modules. Select the module by
pressing the direction keys, and then press the
"OK" key to enter the corresponding functional
interface.
Time
2019-04-26
F1: Enter the parameter setting interface
F2: Switching A/B cursor
F3: Enter the save interface
F4: File or Folder operation
OTDR setting interface
Enter the parameter setting interface. Multi-digit
settings, through the left and right key positioning
cursor, up and down selection.
▲▼: Choosing settings items.
Press OK button to con�irm or edit corresponding
measurement parameters.
9
8
9
8
9
8
F1: Test
F2: OK
F3: Recovery
F4: Cancel
Link quality and information can be viewed
from the top after the test is completed,
Link information includes length, total loss and
number of events.
Detailed event information can be viewed from
the event list.
There are Four types of events:
Reflective event
Non-reflective event
Fiber splitter
Fiber end
Press
to enter zoom mode
X-axis direction zoom in
X-axis direction zoom out
Y-axis direction zoom in
Y-axis direction zoom out
OK
Press
1:1 display
Optical Fiber Tester
F1
F2
F3
F4
OK
OPM
OTDR/LS Port
1
OPM Port
2
2
VFL Port
3
1
Flashlight
4
Right side
2
RJ45
RJ45 Interface
1
2
1
Reset button
2
F4
Main view
3
Dust Cover
1
3.5 inch Color LCD
2
Function Keys
3
1
Functional Keys
Functional keys
Correspond to the operation menu below the screen.
F1
F2
Main Interface
Flashlight
TF
USB
Battery
14:00
Link Information
Waveform
A/B cursor
A/B Information
Test Conditions
Event List
OTDR Setting Interface
7
7
7
OTDR-Zoom mode
Optical Fiber Tester
Brief
Top view
F3
F4
OK
2019-04-26
OPM
dB/dBm/mW
Laser Source
RJ45 Sequence
OTDR
2019-04-26
PASS
Len
A 0.000Km
A-B
Dis
Test
Wave
NO
Type
2-1
2-2
Set
F1
2019-04-26
Wave
Mode
Range
Pulse
Avg. Time
Event Loss Thre.
Return Loss Thre.
End Loss Thre.
Ior
Auto Analyze
Test
F1
Test Results
2019-04-26
PASS
Len
A 0.000Km
A-B
Dis
Test
Wave
NO
Type
2-1
2-2
Set
F1
2019-04-26
PASS
Len
Zoom Mode
A 0.000Km
A-B
Dis
Test
Wave
NO
Type
2-1
2-2
Set
F1
User's Manual
Left side
Micro USB
1
Charging LED Indicator
2
TF Card Port
3
Bottom view
RJ45 Remote tester
1
Measure key
Press to start or stop the test under
the OTDR interface
Return to the previous menu
Directional keys
Up and down choice, right and left choice
14:00
OTDR
Event MAP
VFL
650nm
OPM
VFL
Length & Tracker
1 2 3 4 5 6 7 8
System
14:00
4.000km
Loss
0.80dB
Event
2
1
2
B 3.057Km
Loss
AV.-L
2.000km
0.40dB
0.18dB/km
1550nm
Range
8km
Pulse
50ns
Dis
Event-L AV.-L
Return-L Link-L
(Km)
(dB)
(dB/Km)
(dB)
(dB)
1.000
0.80
0.18
35.00
0.20
4.000
0.00
0.18
30.00
0.80
Cursor
Save
File
F2
F3
F4
14:00
1550nm
Real
20Km
50ns
5s
0.1dB
40dB
10dB
1.46825
OK
Recover
Cancel
F2
F3
F4
14:00
4.000km
Loss
0.80dB
Event
2
1
2
B 3.057Km
2.000km
Loss
0.40dB
AV.-L
0.18dB/km
1550nm
Range
8km
Pulse
50ns
Dis
Event-L AV.-L
Return-L Link-L
(Km)
(dB)
(dB/Km)
(dB)
(dB)
1.000
0.80
0.18
35.00
0.20
4.000
0.00
0.18
30.00
0.80
Cursor
Save
File
F2
F3
F4
14:00
4.000km
Loss
0.80dB
Event
2
1
2
B 3.057Km
Loss
AV.-L
2.000km
0.40dB
0.18dB/km
1550nm
Range
8km
Pulse
50ns
Dis
Event-L AV.-L
Return-L Link-L
(Km)
(dB)
(dB/Km)
(dB)
(dB)
1.000
0.80
0.18
35.00
0.20
4.000
0.00
0.18
30.00
0.80
Cursor
Save
File
F2
F3
F4
2
3
Exit key
4
5
6
7
8
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