PS Audio DirectStream Junior Owner's Reference Manual page 12

®
Use Only High Once everything has been connected, use a high quality AC cable to power DirectStream Junior.
DACs in particular are quite sensitive to AC power and produce a bit of line noise themselves. Make
Quality Power
sure you have a high quality shielded power cable to power DirectStream Junior, and a Power Plant
Cables
AC Regenerator if possible.
PS Audio produces an entire line of high quality quiet power cables that are generally accepted as
being some of the best in the industry. Whatever you choose, make sure it honors the music.
Rear Panel Power
Turn the AC power switch in the rear of DirectStream Junior to the ON position. The power switch is
Switch located to the left of the AC inlet as you face the rear panel.
As soon as the switch is activated, the front panel display will show the initializing information. This
screen shows when DirectStream Junior's internal "engine" is being loaded with the fi rmware that runs
DirectStream Junior.
After the initializing screen, you will see the volume control setting.
Front Panel
The front panel PS logo button, located on the upper left hand corner of the unit, is the Ready/
Standby Button
Operation Mode control for DirectStream Junior. This control has two modes: Ready Mode and
Operational Mode. Ready Mode (Standby) is designed to keep power on to critical internal circuitry,
including power supply capacitors, thermally sensitive semiconductors and integrated circuits.
Press this front panel logo button to activate the Ready Mode or to place DirectStream Junior in
Operational Mode. When pressed to enter Ready Mode, the display, as well as the outputs are turned
off, but all the unit's critical internal circuitry remains active.
Keep Power On
If you wish to conserve energy consumed by DirectStream Junior, it will be necessary to use the rear
panel power switch. Using this rear panel switch will remove power from critical components and in
order to gain maximum performance levels you will need to turn DirectStream Junior's power on at
least 3 hours before use. DirectStream Junior is designed to be left powered on at all times.
Should DirectStream Junior need to be rebooted, use the rear panel power switch to power cycle the
instrument. It's best to wait 30 seconds before powering back on.
4826 Sterling Drive, Boulder, CO 80301
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Getting Started
©2016 PS Audio Inc. All rights reserved.
Owner's Reference DirectStream Junior
Getting Started
15-073-01-1
Rev A 5