Viavi MTS 4000 Base Unit, User Manual

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Chapter 2 Starting up
Battery management
16 User Manual 77000000206 Rev. 007
The follonwng specifications are given for a MTS 4000 with one LiIon
Battery, at 25°C, at full battery capacity (6.6 A.h), with one RLM OTDR
module and without any options:
Charge and On indicators
– On blinking green: the instrument is switched off but connected to
an external power source.
– On solid green: the instrument is operating, either on batteries or an
external power source.
– Charge solid red: the instrument is connected to an external power
source and the battery is on charge.
– Charge solid green: the instrument is connected to an external
power source and the battery is fully charged.
– Charge blinking red: the supply is not compatible with the battery
used.
Battery charge level display
When the battery is installed in the instrument, its charge level is
displayed in the top right-hand corner of the screen and also as a charge
percentage. Example:
.
– When the battery charge level drops below 10%, a warning is
displayed next to the icon. Example:
When the level
becomes too low, the instrument switches off automatically after
saving the current configuration.
Endurance
Conditions of use
6 cells battery
(7400 mV) 9 cells battery
(11100 mV)
According to Telcordia GR-196-CORE recommenda-
tion:
Normal conditons, with normal backlight, 3 acquisi-
tion of 30 seconds per quarter of hour, auto off
up to 7 hours up to 11 hours.
Under continuous acquisition, with high screen back-
light
Up to 3h15 Up to 5h15
It is essential to wait until charging is complete for maximum battery
endurance, otherwise this may be considerably reduced and the level
of charge may not be correctly displayed.