Acterna ols-55 - 4 Operation; Power ON;OFF

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Acterna OLS-55/-56 15

4 OPERATION

Power ON/OFF

⇒ Press to power on the device.

⇒ Press for more than 2 sec. to power off the

device.

The OLS-55/-56 provides two power modes:

• Permanent ON:

the device remains powered on

• Automatic OFF:

the device powers off 20 min. after last key press. This

function is available only in battery mode.

To change power mode

✓ The device is powered on.

1. Press shortly (for less than 2 sec.).

The power mode EDIT menu opens:

Fig. 6 Power mode EDIT menu

2. Select Permanent ON or Automatic OFF.

3. Press to set power mode.

The menu window closes.

Tip: To power off the device, you also can use the Power

OFF item in this menu: Just press button twice

(first press opens the menue, the second selects the

item).