Lenovo ThinkPad T61 Hardware Maintenance Manual - Page 57

Indicator, Meaning, Green, Blinking, green, Orange, orange, rapid - keyboard lock

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Table 8. Status indicators Indicator 1 Wireless status 2 Wireless PAN status R Meaning Green: The wireless feature (the IEEE 802.11 standard or IEEE 802.11n) is on, and the radio link is ready for use. Blinking green: Data is being transmitted. Green: Wireless PAN (Bluetooth wireless or Wireless USB) is operational. This indicator is on when Wireless PAN is on and not in suspend mode. or 3 Wireless WAN Green: The wireless WAN is on, and the radio link is ready for status use. Blinking green: Data is being transmitted. 4 Num lock Green: The numeric keypad on the keyboard is enabled. To enable or disable the keypad, press and hold the Shift key, and press the NumLk (ScrLk) key. 5 Caps lock Green: Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock key. 6 Drive in use Green: Data is being read from or written to the hard disk drive, the diskette drive, or the drive in the Ultrabay Slim device. When this indicator is on, do not put the computer into standby mode or turn off the computer. Note: Do not move the system while the green drive-in-use light is on. Sudden physical shock could cause drive errors. 7 Power on Green: The computer is on and ready to use. This indicator stays lit whenever the computer is on and is not in standby mode. 8 Battery status Green: The battery is charged between 80% to 100% of the capacity, and being discharged between 0% to 80% of the capacity. Blinking green: The battery is charged between 20% to 80% of the capacity, and being charged. Orange: The battery is charged between 5% and 20% of the capacity, and being discharged. Blinking orange (slow): The battery is charged between 5% to 20% of the capacity, and being charged. Blinking orange (rapid): The battery is charged between 0% to 5% of the capacity. 9 AC power status Green: The computer is connected to the ac power supply. 10 Standby status Green: The computer is in standby mode. Blinking green: The computer is entering standby mode or hibernation mode, or is resuming normal operation. ThinkPad T61 and T61p (15.4-inch widescreen) 51

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Table
8.
Status
indicators
Indicator
Meaning
±1²
Wireless
status
Green:
The
wireless
feature
(the
IEEE
802.11
standard
or
IEEE
802.11n)
is
on,
and
the
radio
link
is
ready
for
use.
Blinking
green:
Data
is
being
transmitted.
±2²
Wireless
PAN
status
R
or
Green:
Wireless
PAN
(
Bluetooth
wireless
or
Wireless
USB)
is
operational.
This
indicator
is
on
when
Wireless
PAN
is
on
and
not
in
suspend
mode.
±3²
Wireless
WAN
status
Green:
The
wireless
WAN
is
on,
and
the
radio
link
is
ready
for
use.
Blinking
green:
Data
is
being
transmitted.
±4²
Num
lock
Green:
The
numeric
keypad
on
the
keyboard
is
enabled.
To
enable
or
disable
the
keypad,
press
and
hold
the
Shift
key,
and
press
the
NumLk
(ScrLk)
key.
±5²
Caps
lock
Green:
Caps
Lock
mode
is
enabled.
To
enable
or
disable
Caps
Lock
mode,
press
the
Caps
Lock
key.
±6²
Drive
in
use
Green:
Data
is
being
read
from
or
written
to
the
hard
disk
drive,
the
diskette
drive,
or
the
drive
in
the
Ultrabay
Slim
device.
When
this
indicator
is
on,
do
not
put
the
computer
into
standby
mode
or
turn
off
the
computer.
Note:
Do
not
move
the
system
while
the
green
drive-in-use
light
is
on.
Sudden
physical
shock
could
cause
drive
errors.
±7²
Power
on
Green:
The
computer
is
on
and
ready
to
use.
This
indicator
stays
lit
whenever
the
computer
is
on
and
is
not
in
standby
mode.
±8²
Battery
status
Green:
The
battery
is
charged
between
80%
to
100%
of
the
capacity,
and
being
discharged
between
0%
to
80%
of
the
capacity.
Blinking
green:
The
battery
is
charged
between
20%
to
80%
of
the
capacity,
and
being
charged.
Orange:
The
battery
is
charged
between
5%
and
20%
of
the
capacity,
and
being
discharged.
Blinking
orange
(slow):
The
battery
is
charged
between
5%
to
20%
of
the
capacity,
and
being
charged.
Blinking
orange
(rapid):
The
battery
is
charged
between
0%
to
5%
of
the
capacity.
±9²
AC
power
status
Green:
The
computer
is
connected
to
the
ac
power
supply.
±10²
Standby
status
Green:
The
computer
is
in
standby
mode.
Blinking
green:
The
computer
is
entering
standby
mode
or
hibernation
mode,
or
is
resuming
normal
operation.
ThinkPad
T61
and
T61p
(15.4-inch
widescreen)
51