Chapter 1 — Using the CK30 Handheld Computer
14 CK30 Handheld Computer User’s Manual
Using the Power (I) Key
When you press the I key to turn off the CK30, you actually
put the CK30 in Suspend mode. In Suspend mode, the CK30
continues to supply power to all memory, but turns off power to
most hardware. This power-saving feature is designed to prolong
battery life.
When you press the I key to turn the CK30 back on, your
computer resumes where it was when you turned it off.
If you are using WPA2, WPA, or 802.1x security, the computer
may need to reauthenticate before it starts your application.
If the Battery light flashes and your CK30 does not resume after
pressing I, your battery may be too low to supply power.
Replace the battery. If replacing the battery does not solve the
problem, see “Booting the CK30” on page 136.
Disabling or Modifying Keypad Functions
You can disable the functionality of several keys on the keypad if
you want to restrict the ability to perform adjustments made
from the keypad, such as changing the beeper volume.
You can disable these keypad functions:
• Beeper volume
• Task Manager (opened by pressing Alt and then Tab)
Note: When you disable Alt Tab, you also disable the Alt Esc
key sequence.
You can modify this keypad function:
• The behavior of the I key. You can configure the boot
functionality to either warm or cold boot when you press and
hold the I key for five seconds.
To disable keypad functions
1 Press C and then B. The System Main Menu appears.
2 Select the Configuration Utility.
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