
2
YY Press and hold to activate
Secondary function of a key
XX Press and release to activate
Primary function of a key
Power key
Provides two functions:
Press to turn On/Off (OPM turns off after five minutes of inactivity).•
Press and hold to disable/enable the Auto Off feature.•
Arrow/File key (OPM5 models only)
Provides several functions:
Testing mode: press and hold to enter File mode.•
File mode: Press to increment the File number.•
Fiber and Recall mode: press to increment the Fiber number.•
Arrow/Fiber key (OPM5 models only)
Provides several functions:
Testing mode: press and hold to enter Fiber mode.•
Fiber mode: press to decrement the Fiber number.•
File and Recall mode: press to decrement the File number.•
Wavelength/Backlight key
Provides two functions:
Press to cycle through the calibrated wavelengths.•
Note: When an OPM is receiving a wavelength ID’d light, it automatically
switches to the ID wavelengths. [WAVE ID] indicator appears on the
display.
Press and hold to toggle the Backlight on or off.•
File
Fiber
OPM Series Function Keys
Dual Function Keys Legend