Acterna A Series, Руководство по эксплуатации

Страница: 53 / 72

OLS-5 3-9
3.5 Powering the device on and off
The OLS has two power-on states:
•
Brief operating mode
•
Permanent operating mode
When you power up the device, a self-test is
executed, indicated by a brief flashing of all
display elements and display of the percent
battery capacity remaining. Afterwards, the most
recent device settings are restored and
displayed. Your OLS-5 is now ready to transmit!
Brief operating mode
Þ
Press the “ON/OFF” key briefly.
The OLS-5 powers on.
Fig. 3-6 The device is ready to transmit as soon as
the previous settings appear (wavelength,
modulation frequency).
Power-off
Þ
Press the “ON/OFF” key within 20 minutes of
power-on.
– or –
The device automatically switches off 20 minutes
after it is powered on.