Spectra Precision SP80 - Manual (Page 29)

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Monitoring Batteries
Take a look at the LED indicators on the SP80 front panel to
read the discharging status of your batteries (Battery A LED
is on the left, Battery B LED on the right).
Conventions Used The following color conventions are used to describe the
status of each of the two batteries:
The words “high”, “low” and “very low” used to depict the
energy left in a battery are explained in the table below.
The graphic conventions used in this guide to depict a
blinking or non-blinking LED are provided in the table below.
This table also indicates the possible meanings of each
blinking mode.
Refer to the three sections below to read all the details about
the status of your batteries.
Color Graphics Meaning
Green
The battery is being used to power the receiver, or is fully
charged and not used.
Red
The AC/DC power block has been connected to the receiver.
The battery is being charged, or is fully charged and not
used.
White The battery is missing or not used (the LED is extinguished)
Word Used Remaining Charge
High More than 20% of nominal charge left.
Low Between 20% and 1% of nominal charge left.
Very low About 4 minutes of operation left before the receiver shuts down.
Blinking Rate Graphics Meaning
Solid (not blinking)
Battery missing, not used or with suffi-
cient charge level
Slow (1 flash per second)
Normally charging or battery running
low (discharging)
Fast (4 flashes per second) Temperature alarm or battery too low