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.
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.
F1: Test
F2: OK
F3: Recovery
F4: Cancel
9 8 7
9 8 7
9 8 7
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
1
2
3
4
F2
F3
F4
F1
OK
Correspond to the operation menu below the screen.
Zoom function key, combined with
direction keys to operate.
Functional keys
Zoom key
ON/OFF key
Press to start or stop the test under
the OTDR interface
Measure key
Return to the previous menu
Exit key
Up and down choice, right and left choice
Directional keys
Enter the next level of interface, Enter function
OK key
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.
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.
Top view
OTDR/LS Port
OPM Port
VFL Port
Flashlight
1
2
3
Left side
Micro USB
Charging LED Indicator
TF Card Port
1
2
Right side
RJ45 Interface
Reset button
1
Bottom view
RJ45 Remote tester
1
2
3
Main view
Dust Cover
3.5 inch Color LCD
Function Keys
2019-04-26
14:00
Time
USB
Flashlight TF
Battery
OTDR
5
F2
F3
F4
F1
Link Information
Waveform
A/B cursor
A/B Information
Test Conditions
Event List
OTDR Setting Interface
6
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14:00
Test
OK
Recover
Cancel
Wave
1550nm
Mode
Range
Pulse
Return Loss Thre.
End Loss Thre.
Ior
Auto Analyze
Real
20Km
50ns
40dB
10dB
1.46825
Avg. Time
Event Loss Thre.
5s
0.1dB
F2
F3
F4
F1
Test Results
7
F2
F3
F4
F1
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
Press 1:1 display
OTDR-Zoom mode
8
F2
F3
F4
F1
Brief
2
Functional Keys
3
Main Interface
4
2019-04-26
Len
Loss
Loss
Event
AV.-L
Dis
A-B
Test
14:00
PASS
A 0.000Km
B 3.057Km
Wave
Range
Pulse
NO Type
Set
Cursor
Save
Dis
(Km)
(dB)
(dB)
(dB)
(dB/Km)
Event-L AV.-L Return-L Link-L
File
1
2
2-1
1.000
1550nm
2.000km
0.40dB
0.18dB/km
4.000km
0.80dB
2
8km
50ns
4.000
0.80
0.00
0.18
0.18
35.00
30.00
0.20
0.80
2-2
2019-04-26
Len
Loss
Loss
Event
AV.-L
Dis
A-B
Test
14:00
PASS
A 0.000Km
B 3.057Km
Wave
Range
Pulse
NO Type
Set
Cursor
Save
Dis
(Km)
(dB)
(dB)
(dB)
(dB/Km)
Event-L AV.-L Return-L Link-L
File
1
2
2-1
1.000
1550nm
2.000km
0.40dB
0.18dB/km
4.000km
0.80dB
2
8km
50ns
4.000
0.80
0.00
0.18
0.18
35.00
30.00
0.20
0.80
2-2
2019-04-26
Len
Loss
Loss
Event
AV.-L
Dis
A-B
Test
14:00
PASS
A 0.000Km
B 3.057Km
Wave
Range
Pulse
NO Type
Set
Cursor
Save
Dis
(Km)
(dB)
(dB)
(dB)
(dB/Km)
Event-L AV.-L Return-L Link-L
File
1
2
2-1
1.000
1550nm
2.000km
0.40dB
0.18dB/km
4.000km
0.80dB
2
8km
50ns
4.000
0.80
0.00
0.18
0.18
35.00
30.00
0.20
0.80
2-2
OK
Zoom Mode
Attention
Short press to turn on, long press to
turn off; after turning on, short press
to turn on or off the flashlight.
2019-04-26
14:00
Event MAP
OTDR
VFL
OPM
Laser Source
System
VFL
OPM
dB/dBm/mW
650nm
1 2 3 4 5 6 7 8
Length & Tracker
RJ45 Sequence
3
4
2
1
1
2
3
1
2
3
1
2
1
OK
F2
F3
F4
F1
Optical Fiber Tester
VFL
OPM
OTDR
TF
US
B
RJ45
RS
T
DC 5V
/1A
Optical Fiber Tester
OK
F2
F3
F4
F1
Optical Fiber Tester
User's Manual
