JDS Uniphase OBS-55, Руководство по эксплуатации, Страница: 68 / 95

18 OBS-55 JDSU
4
B
ASIC
O
PERATION
Switching the device on/off
To switch the device on:
⇒
Press
[
*
]
to switch on the device.
To switch the device off:
⇒
Press and hold down
[
*
] for more than 2 sec.
to
switch off the device.
The OBS-55 has two power modes:
•
Permanent ON (PERM):
The device is switched on permanently.
•
Automatic OFF (ECON):
The device switches off 20 minutes after the last
operation. This function is only available when the
device is powered from batteries.
Changing the power mode
✓
The device is switched on.
1. Press
[
*
]
briefly (for less than 2 sec.).
The power mode EDIT menu opens:
2. Select
Permanent ON
or
Automatic OFF
.
3. Press
[MENU ENTER]
to set the power mode.
The menu window closes.