Extron electronic FLS 101 manual Power Up the FPM, Wavelength/Backlight Button, dB/dBm/μW Button

Power Up the FPM 101

The power button provides two functions:

•Press and hold the power button, , for a short time until the display lights up to turn the meter on. When the meter is on, press and release the button to turn the FPM 101 off.

•Press and hold the button when the meter is on to disable/enable the auto-off feature. Auto-off powers down the unit after five minutes of inactivity.

•If the auto-off feature is enabled, (default), press and hold the power button until HELD pON appears on the display.

•If the auto-off feature is disabled, press and hold the power button until HELD AOFF appears on the display.

Wavelength/Backlight Button

The wavelength/backlight button, λ provides two functions:

•Press and hold to toggle the backlight on or off.

•To manually select a wavelength, press and release to cycle through the wavelengths as shown.

850 nm >1300 nm >1310 nm >1490 nm >1550 nm >850 nm ...

NOTE: When using the FLS 101 set to a WAVE ID output, the FPM 101 automatically switches to the WAVE ID wavelength. The WAVE ID indicator

appears on the display and the wavelength is displayed in the calibrated wavelength indicator field.

		nm
		µW
	REF	dB dBm
WAVE ID	WAVE ID	nm
Indicator		µW
		dB dBm

Calibrated

Wavelength

Indicator

Calibrated

Wavelength

Indicator

Single or Dual WAVE ID Mode

dB/dBm/μW Button

dB

The dB/dBm/uW button, dBm  , provides two functions:

•Press and release to toggle display readings between insertion loss (dB) or power (dBm).

•Press and hold to view power in microwatts (μW).

	nm
	µW
REF	dB dBm
WAVE ID	nm
	µW
	dB dBm

Power (µW)

Power (dBm) or Insertion Loss (dB)

Single and Dual WAVE ID mode

Fiber Optic Test Meters • Operation 6