FS FOPM-203 Connexions Et Guide De Démarrage Rapide page 8

measured value as the new reference level for the current wavelength. During the
process, the "REF" sign flashes twice on the screen and buzzer sound is heard.
Once the new reference level is set, the instrument switches to the dB measure-
ment mode. The displayed value only lasts 1 second.
5. Switch Backlight of LCD On/ Off
Press the button
Press the button
6. Frequency Detecting
If the tested wavelength is carrying a tone of 270Hz, 1kHz, or 2kHz, the respective
frequency indicates on the screen.
7. Overflow of Measured Power Value
If the measured power value is too high, the LCD screen will display "HI".
If the measured power value is too low, the LCD screen will display "LO".
8. Storage of Current Test Value
Press the button
LOAD
the sounds of the buzzer. It indicates the setting is finished. It will display the
stored value and the serial number of the storage. Then, the power meter will
return to the test state automatically.
9. Check the Storage Records
Press the button
LOAD
Press the button
Press the button
REF
Press the button
REF
. The backlight switches on.
again. The backlight switches off.
over 2 seconds, the "SAVE" flashes on the screen once with
, it will display the latest record.
, it will browse the forward records.
λ
, it will browse the afterward records.
and , it will delete all the records.
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