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1.3
E5574A
OPTICAL LOSS ANALYZER
Press M
Figure 1-2
The OLA can also be
operated remotely,
controlled by a computer
using the HP Interface
Bus. See Chapter 8 "HP-
IB Programming" for
details.
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Introducing the HP E5574A Optical Loss Analyzer
The OLA Front Panel Keys
Return Loss (RL)
You measure the fraction of power which is scattered back to the
source by a component.
Powermeter
You measure the absolute or relative power of one or two light
sources in dBm or Watts.
The OLA Front Panel Keys
This paragraph deals with the operation of the OLA using the front
panel keys and the rotary knob.
Press A
to choose the application
PPL
More
to access all options of each application "Source on" indicator
ORE
The OLA Front Panel
The front panel shows (from left to right) the power on/off key, four
keys below the display, the M
additional function keys, four cursor control keys, and the rotary
knob.
26
E N T R Y
Appl
7
8
9
Preset
Cursor/Vernier
Instr
4
5
6
Aux
Source
1
2
3
Help
On/Off
Syst
0
•
+/–
Enter
Head Input A
Head Input B
key, a numerical keypad with
ORE
MODIFY
Optical Input
Optical Output
Active
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