Exfo FPM-300 Power Meter Uživatelský manuál stáhnout pdf (Strana 11)

FPM-300/FLS-300/FOT-300 6

3 Getting Started

Turning the Unit On and Off

When you turn off the FPM-300 or the FOT-300, it saves the current wavelength, unit

and reference power.

Note: Offset nulling values are always returned to factory settings.

To turn on the unit:

Press . The unit displays EXFO Inc. for a few seconds. You may use it

immediately under normal conditions.

To turn off the unit:

From normal operating mode (that is, not FAV or PREF), hold down a few

seconds.

IMPORTANT

If you remove batteries (and the AC adapter is unplugged), the unit

will turn off without saving the above values.

If batteries are low (and the AC adapter is unplugged), the unit will

save the above values and turn off.

AC adapter

plugged in

Auto-off activated

Batteries in use

(with level)

Measured power/loss (FPM/FOT)

Active source wavelength (FLS)

Source wavelength (FOT)

Power meter wavelength or

reference power (FPM/FOT)

Left port’s source

modulation

(FLS/FOT)

Right port’s source modulation (FLS)

Detected modulation (FPM/FOT)

Display

Turns u nit on/off

Controls auto-off

Exits special modes

PRESS: Selects

wavelength

from FAV list

HOLD: Accesses

FAV mode

Switches between

measurement units

PRESS: Displays dB units

HOLD: Sets input power as

reference power

PRESS: Switches between

modulation values

HOLD: Accesses P_REF mode

PRESS: Activates next source

HOLD: Deactivates current source

FLS-300

FOT-300

FPM-300

FOT-300

Keypad

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 39 40

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Exfo FPM-300 Power Meter Uživatelský manuál Strana 11

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