Grace Digital GDI-AQRK400 Rock Speaker - Manual (Page 6)

P.5
OPERATION
1. Turn on the audio source (TV or audio component) to which the transmitter is connected with.
The green LED on the transmitter will light up.
2. Select the channel 1 or 2 of the transmitter for best performance in your location.
3.
Turn on the ON/OFF button on the speaker. Pres s the “AUTO TUNE” button to get the best
tuning reception in the speaker. When the button is pressed, frequency tuning starts
automatically and it stops when a signal is detected.
4. Volume can be adjusted up by pressing “+” button or down by pressing the button “-“ to the
desired listening level.
5. Whenever you find frequency jam, move your channel switch from one channel to the other
channel (there are two channels for selection) on the transmitter, and then press the
“AUTO-TUNE” button on the speaker again.
6. Switching Off
a) For protection of the transmitter and power saving, the transmitter will cut off automatically if
there is no/weak operation input signal from audio source for 4 minutes.
IF the audio signal comes back, the transmitter will turn on automatically.
b) Turn off the speaker by pressing the ON/OFF button, or automatically going off in
approximately 4 minutes when the transmitter is off.
7. Weather Condition
a) The rock speaker unit should be operated under the temperature range 14˚F – 122˚F.
Operation at temperatures beyond this range may cause some damage to the unit.
b) The rock speaker unit should be moved to indoor environment when the weather condition is
at extremely worst case, like heavy downpours, snowing, or at temperatures below 14˚F and
over 122˚F.
WARNING: POWER ADAPTORS are for INDOOR USE ONLY. IF slightly RAINING, the SPEAKER
may be operated by battery, do NOT use the ADAPTORS in areas exposed to water or rain.