Compaq 1610 Reference Manual page 90

The handheld PC goes
into auto-suspend after
a short period of
inactivity.
Device won't turn on
when not connected to
AC power.
The handheld PC does
not auto-suspend
when connected to a
computer or using the
modem.
The device turned off
while left unattended.
I hear a humming
sound when I turn on
the device or use it to
record a memo.
Device shuts down
while the PC Card is in
use.
Battery life is very
short.
When operating on
battery power, the
handheld PC suspends
operation after three
minutes of idle time (the
default setting).
Batteries are too low to
run device.
The handheld PC is
designed to stay on
while connected to a
computer.
Device initiated a safety
shutdown due to a
critical low battery
condition.
The main batteries are
low.
The PC Card drains too
much power from the
device batteries.
You are using the
device in ways that
Press the power button
to resume operation,
then increase the
amount of idle time
through the Power icon
on the Control Panel.
Increasing the
idle time drains the
batteries more quickly.
1. Replace the
batteries or
connect the device
to external power.
2. Turn on the
device.
No action required.
1. Replace the
batteries or
connect the device
to external power.
2. Turn on the
device.
Replace the main
batteries.
1. Remove the PC
Card.
2. Connect the
device to external
power and reinsert
the PC Card.
For more information,
see Chapter 6, "Using
PC Cards."
See Chapter 4, "Using
Power," for tips on