Getting Started; Turning The Unit On And Off - EXFO EPM-50 Guide D'utilisation

3 Getting Started

Turning the Unit On and Off

When you turn off the EPM-50, it saves the current wavelength, unit and reference
power.
If you remove the batteries, the unit will turn off without saving the
above values.
If batteries are low, the unit will save the above values and turn off.
Note:
Offset nulling values are always returned to factory settings.
To turn on the unit:
Press . You may use the unit immediately under normal conditions.
To turn off the unit:
From normal operating mode, hold down
Power meter wavelength
Source
modulation
(ELS-50)
Detected
modulation
(EPM-50)
Batteries level
EPM-50
HOLD: Turns unit on/off
PRESS: Exits special
ELS-50
EPM-50/ELS-50
(EPM-50)
Auto-off activated
PRESS: Controls
auto-off
modes
I
MPORTANT
a few seconds.
Display
Reference power (EPM-50)
Measured power/loss (EPM-50)
Active source wavelength (ELS-50)
Keypad
PRESS: Changes
wavelengths
PRESS: Activates next source
HOLD: Deactivates current source
PRESS: Switches between
modulation values
PRESS: Switches between
units
HOLD: Sets input power as
reference power
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