Casio DT-X7 Series Specifications Page 72

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2.7.4. Power Saving
Idle
The power will be saved by putting the CPU into idle state when event standby status is detected
by either the terminal or an application running on the terminal. The peripheral devices are
running while the CPU is in the idle state.
APO (Auto Power OFF)
The power is automatically turned off when the state of no key input, no disk access, no card
access, or no communication, etc., is detected within a preset time period. Setting the APO
function enabled or disabled, or a time period to activate the function can be performed using the
Common Device Control Library.
Dimming and ABO (Auto Backlight OFF)
The backlight is automatically dimmed or turned off when a preset time period has elapsed if the
state of no key input, no disk access, no card access, or no communication, etc., is detected within
the period. Setting a time period before starting dimming and a time period before turning off the
backlight (Auto Backlight OFF), and setting “Enable or Disable” on the dimming and the Auto
Backlight OFF functions can be set using the Common Device Control Library.
CPU Clock Frequency Control
The CPU clock frequency is changed to one of the frequencies described in the following table
depending on the CPU load or user designation. It can be changed at the control panel or using the
Common Device Control Library. The default is “AUTO”.
Table. 2.60
POWERSAVE 104 MHz
NORMAL 208 MHz
TURBO 520 MHz
AUTO Automatically changes frequency to 104, 208, 520 or 13 MHz depending on CPU load.
Virtual Power OFF/WLAN Standby
This is standby mode for WLAN operation. The Common Device Control Library is used in
application to turn off the LCD, keys and set the CPU frequency to “POWERSAVE” mode to
save the power. Other peripheral devices are running.
Table. 2.61
Display OFF
KEY Lock
APO Prohibit
Turning off the power with the Power key Prohibit
CPU clock frequency POWERSAVE
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