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Signal Strength Level LED Indicator
Signal Strength Level
( Green)
Excellent
Good
Poor
No Signal
Battery Lock LED Indicator
This indicator works exactly as same as the Power LED Indicator.
This indicator is used for Main Battery exchange.
Communication Status LED Indicator
This indicator exhibits communication status.
On/Off of this LED is controlled by AP (API).

2.3 Switches

Power
This is used to suspend and resume the MT.
Switch
means "power on and off" from the user's perspective.
has to be retained for successive and continued operations, the
MT is not "turned off" in suspend mode but simply with the screen
turned off.
Note: MT cannot be resumed if a Main Battery charge is under 4%.
Charge
Main Battery
Battery Lock Switch remains in its OFF position, the MT cannot be
resumed even if Power switch is pushed.
Reset
This is used to reboot the MT (Cold Boot). All retained data without
Switch
CF storage card is lost and the system is initialized.
Sound
This is used to control the audio volume.
Volume
be controlled by application.
Switch
Battery
This is used to secure
Lock
exchange steps in the following page.
Switch
Communication
Status LED Indicator
or exchange it to a charged
Main Battery
- 14 -
LED
"Suspend and resume"
Main Battery.
The sound volume cannot
exchange.
Please see battery
As the data
And, If the

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