Acterna A Series, Руководство по эксплуатации

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3-2 OLS-5
before powering up the device. Do not operate
the device until it has reached its guaranteed
temperature range (-10 to +55 °C).
The last statement also applies if the device is
stored at a high temperature.
3.2 Shock protection
The housing of your OLS-5 is designed for use
under tough conditions. It is highly impact-
resistant. The shock protection is designed to
allow access to the display and keypad on the
front side and the battery compartment on the
back side. The device identification, the serial
number and the short instructions are located on
the back side.
3.3 Power supply
The OLS is powered from batteries or NiCd cells:
•
Two 1.5 V dry batteries (AA size), operating
life typ. 50 hours
– or –
•
Two 1.2 V NiCd cells (AA size), operating life
typ. 15 hours
The time figures given here apply to TWINtest
mode.
Capacity display
After the device is powered up, the remaining
battery life or NiCd charge is displayed as a
percentage. The display is broken down in steps
of 5%.