
Hardware Configuration 39
E-EQ-MX7RG-B MX7 Reference Guide
Audio Support
Speaker
The speaker supplies audible verification signals normally used by the Window’s CE operating
system. The speaker is located on the front of the MX7, above the MX7 logo. 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.
The default is 1 beep for a good scan and 2 beeps for a bad scan.
Volume Control
Volume control is managed by Windows CE control panel applet, an API and the Orange-Scan-
up/down arrow key key sequence. 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 “Adapter, Audio” accessory cable and the bottom
end connector.