LXE hx3 参考指南
48 Hardware
Configuration
HX3 Reference Guide
E-EQ-HX3RG-C
Audio Support
Speaker
The internal speaker supplies audible verification signals normally used by the Window’s CE
operating system. The speaker is located on the front of the HX3, above the Enter key. The mobile
device emits a Sound Pressure Level (loudness) of at least 102 dB measured as follows:
operating system. The speaker is located on the front of the HX3, above the Enter key. The mobile
device emits a Sound Pressure Level (loudness) of at least 102 dB measured as follows:
• Frequency: 2650 + 100 Hz
• Distance: 10 cm on axis in front of Speaker opening in front of unit.
• Duration : Continuous 2650 Hz tone.
• Distance: 10 cm on axis in front of Speaker opening in front of unit.
• Duration : Continuous 2650 Hz tone.
The default is 1 beep for a good scan and 2 beeps for a bad scan.
Volume Control
Some of the options in this section require an ActiveSync connection and
LXEConnect. Please see “ActiveSync and the HX3” in Chapter 3 System
Configuration for details on establishing this connection.
LXEConnect. Please see “ActiveSync and the HX3” in Chapter 3 System
Configuration for details on establishing this connection.
Volume control is managed by a Windows CE control panel applet, an API and the Blue+White
and Blue+Green key sequences. Volume control is covered in greater detail later in this guide.
and Blue+Green key sequences. Volume control is covered in greater detail later in this guide.
Voice
All Microsoft-supplied audio codecs are included in the OS image. The hardware codecs, the
input and output analog voice circuitry and the system design are designed to support voice
applications using a headset connected to the “Tethered Headset/Microphone and Battery”
accessory cable.
input and output analog voice circuitry and the system design are designed to support voice
applications using a headset connected to the “Tethered Headset/Microphone and Battery”
accessory cable.