VOLTCRAFT PM-22 Bedienungsanleitung Seite 30

A1 Attention, the laser beam exits here!
Laser output with protective cap; if no cable is connected, the protective cap must
always be screwed on to the original adapter; this can minimise the danger from the
laser and no dust can enter.
A2
Display
A3
Button to switch the laser on and off
A4
On/off button
A5 "dB" button; switches to the mode for relative power measurement of the main display
(B3); the unit "dBm" automatically shows (B6) on the secondary display; the main
display (B3) switches to the unit "dB" to display the power difference.
A6 "dBm" button; switches the device from the mode for relative power measurement back
to regular mode (absolute power measurement).
A7
Measuring input with protective cap; when no cable is connected, the protective cap
should always be screwed to the original adapter so that no dust can enter.
A8 "Hz" button; when the laser is switched on, this button can be used to switch between
permanent laser beam and flashing laser beam.
A9
Button to switch the display lighting on and off
A10 Button to set the wavelength in the following order: 1620, 1550, 1490, 1310, 1300, 980,
850 nm
A11 Button to switch the automatic deactivation on and off
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