MUTE Press to mute the volume.

OPEN/CLOSE

Press to open or close the

DISC DRAWER.

NUMBER KEYPAD

TITLE Press to access the loaded DVD’s title menu.

SUBTITLE Press to cycle through the available subtitle options.

MENU

Press to access the loaded DVD’s menu.

DIRECTIONAL/ENTER

F.BWD/F.FWD Press and hold to fast forward or rewind a loaded disc.

STOP Press to stop a disc during play.

OSD Press to view the on screen display.

L/R Press to switch the audio channel.

N/P Press to switch between NTSC and PAL.

PROG Press to program a loaded disc to play tracks or chap- ters in a specified order.

VIDEO Press to switch between S-VIDEO and HDMI modes.

GOTO

AUDIO

POWER

Press to turn the DVD player off or on.

GOTO

Press the GOTO button to search for a specific title chapter or time.

AUDIO

Press to cycle through the available audio options.

ANGLE

Press to activate the angle feature on supported DVDs.

SETUP

Press to access the setup menu.

PREV/NEXT

Press to skip between chapters or tracks.

PLAY/PAUSE

Press to play or pause a loaded disc.

VOLUME

Press to adjust the volume.

WIDE

Press to switch between 4:3LB, 4:3PS, and 16:9 aspect ratio.

ZOOM

Press repeatedly to zoom in and out on the loaded DVD.

SLOW

Press to play the loaded DVD in slow motion.

REPEAT

Press to repeat a single chapter or track, or and entire disc.

HDMI

Press to adjust the display resolution between 480p, 720p, 1080i, and 1080p.

STEP

Press to step through a playing DVD one frame at a time.

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GPX 7

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GPX 1038-0721-10, DH300B manual Open/Close

1038-0721-10, DH300B specifications

The GPX DH300B, designated as model number 1038-0721-10, is an innovative device that has gained a reputation for its robust performance in various applications. Primarily designed for high-quality audio playback and recording, this device integrates advanced technologies that cater to both casual listeners and audiophiles alike.

One of the standout features of the GPX DH300B is its sleek and ergonomic design, which makes it user-friendly and portable. The compact form factor is ideal for users who require mobility without compromising sound quality. The device is equipped with a high-fidelity digital-to-analog converter (DAC) that ensures an accurate and clear audio representation, minimizing distortion while enhancing dynamic range.

The DH300B also boasts multiple connectivity options, including Bluetooth for wireless streaming and USB ports for direct connections to devices such as smartphones and computers. This versatility in connectivity allows users to enjoy their favorite music and podcasts seamlessly, regardless of the source.

In terms of sound characteristics, the GPX DH300B features a powerful built-in amplifier that delivers rich, deep bass and crisp high frequencies. The device supports various audio formats, offering flexibility for users who have diverse listening preferences. Additionally, it includes equalization settings that allow users to customize their audio experience according to their taste.

Another notable technology integrated into the GPX DH300B is its noise-cancellation capability, which effectively reduces ambient noise, making it perfect for use in noisy environments. This feature enhances the listening experience, allowing users to immerse themselves fully in their audio content.

Battery life is also a key characteristic of the GPX DH300B, with efficient power management that extends usage time on a single charge. This makes it not only suitable for home use but also for travel or outdoor activities.

In summary, the GPX DH300B, model 1038-0721-10, is a well-rounded audio device that combines portability, high-quality sound, and versatile connectivity. With its advanced features and user-centric design, it represents an excellent choice for anyone looking to elevate their audio experience, whether at home or on the go.