YOKOGAWA AQ2170, User Manual, Page: 18 / 25

5.7 Setting the wavelength
Press the “ λ” key repeatedly until the desired wavelength is
displayed. You can select from seven optional wavelengths:
850nm,1300nm,1310nm,1490nm, 1550nm,1625nm,1650nm(AQ2170)
1310nm,1490nm,1550nm,1625nm,1650nm(AQ2170H)
The instrument defaults to the wavelength 1550 nm .
5.6 Turning the instrument on and off
Press the “ON/OFF” key briefly.
The instrument powers-on.
Please check the battery capacity if it fails.
Press the “ON/OFF” key briefly again.
The instrument powers-off.
Note
Auto-off function
1. The instrument powers off automatically if no keypress in 10 minutes.
2. Press the “ON/OFF” key for about 2 seconds to power on the instrument with “Auto-off”
function deactivated.
AUTO-OFF
2 0.0 0
13 1 0
-
nm
1490 1550 1625
1650
850
1300
13