■N3970A OPTICAL POWER METER SOURCE QUICK REFERENCE GUIDE
■To remove interchangeable connector, move interface to mid position, and pull off adaptor.
■To defeat auto
■To access hidden keypad, pull up display cover.
Select POWER, Source, then:
■To set reference, push Abs/Rel and hold Set Ref for 3 seconds (3 buzzer sounds).
■To display reference, hold Abs/Rel, so Ref flashes.
■To stop / start display update, push Hold.
■If a test tone is detected, meter will display Hz.
AUTOTEST OPERATION
■No user action is required for meter to enter Autotest mode.
■Autotest: Push Autotest on source and wait a few seconds.
■Can also push Autotest on meter for faster
■To display one wavelength only, on the power meter push the left side of
■Autotest remains for >8 seconds after signal loss, to allow quick connection change.
■To exit autotest, remove test lead or turn off source for >8 seconds.
MANUAL OPERATION
■To turn on and select wavelength, push: POWER, Power Meter,
■To display linear mode, push dBm/W.
■To display max/min values, push MAX/MIN repeatedly. Hold MAX/MIN to reset (3 buzzer sounds). .
MEMORY
■Enter Power Meter or Autotest modes first
■While in Autotest mode, it is only possible to STORE.
■To clear all memory, push both RECALL and CANCEL together for 3 seconds. clr will display.
■To store in next location, push STORE.
■To change next store location, push SELECT
■To recall, push RECALL
■To exit memory display, push CANCEL.
ADDITIONAL AUTOTEST MEMORY OPERATION
■To read or cancel memory, first exit Autotest mode, and enter Power Meter mode.
■Autotest memory: use
