Operation - Grace Digital Rock Sounder GDI-AQRCK400 User Manual

SPEAKER (RECEIVER)
1. Plug the power adapter into the rock speaker and connect to a power outlet.
The built-in battery will power the speaker without being connected to a power
adapter. The battery pack must be charged at least 12 hours before the first

operation.

2. The rock speaker can be operated either with power supplied by the charged
battery pack or from a connection to the power adapter connected to a wall
power outlet. When the power adapter is connected, the battery pack will
simultaneously charge while the unit is in operation.
3. Press the ON/OFF button and turn the speaker ON. The POWER LED will
light up in green. Switch off the speaker by pressing the ON/OFF button on the
speaker, and the LED will be off.
OPERATION
1. Turn on the audio source (audio device) that is connected to the transmitter.
The green LED on the transmitter will light up.
2. Select Channel 1 or 2 of the transmitter for best performance in your location.
3. Turn on the ON/OFF button on the speaker. Press the "AUTO TUNE" button to
get the best tuning reception in the speaker. When the button is pressed,
frequency tuning starts automatically and stops when a signal is detected.
4. Volume can be adjusted up or down by pressing "+" and "-" buttons
until the desired listening level is set.
P.4