5
⑧
：change the source output frequency
⑨
：change the instrument function mode
⑩
Meter display window
⑪
Mini USB interface：
data communication interface;adapterpower supply interface
⑫
Laser source output port
⑬
Power meter testing input port
五、
五、
五、
五、Instructions for Use
Instructions for Use
Instructions for Use
Instructions for Use
When powered by dry battery, the bottom left corner of the instrument screen will
display Auto-off sign after turning on；if no other operations within 10mins, the
instrument will be off automatically, short press “
”
the auto-off will be
cancelled.
When using external USB adapter for power supply，the instrument will have no auto-off
function.（image 5-1）
Image 5-1
After turning on, the instrument comes into “power meter mode”
After turning on, the instrument comes into “power meter mode”
After turning on, the instrument comes into “power meter mode”
After turning on, the instrument comes into “power meter mode”
automatically
automatically
automatically
automatically（image 5-2），we
we
we
we can press
can press
can press
can press“
“
“
“
”
”
”
”button to come to
button to come to
button to come to
button to come to“
“
“
“source
source
source
source
mode
mode
mode
mode”
”
”
”（image 5-3）。
。
。
。
These two measurement modes can be used individually or simultaneously.
These two measurement modes can be used individually or simultaneously.
These two measurement modes can be used individually or simultaneously.
These two measurement modes can be used individually or simultaneously.
