Grace Digital GDI-AQRK400 Rock Speaker - Manual (Page 7)

P.6
8. Re-charging battery
a) Connect the power cable to the AC power outlet and speaker, batteries will be
re-charged automatically.
TROUBLE SHOOTING
NO SOUND
- Ensure the AC/DC adaptor is fully inserted into the AC outlet and the power
connection input on the transmitter.
- Ensure the speaker is switch ON.
- Spe aker’s battery capacity is low, connect the AC/DC adaptor to the speaker.
- Ensure the TV or audio component is ON.
- The volume of speaker is too low, adjust the volume to an appropriate level.
DISTORTED
-
Press the “AUTO-TUNE” button on the speakers until matching the frequency of
the transmitter.
- Change the position of the channel selector on the transmitter. Press the “AUTO
TUNE ” button on the speaker.
- Ensure the volume level of speaker is adjusted properly.
- The speaker is too far away from the transmitter, move it closer.
- The audio input level of the audio signal is too low. Turn up the volume of the
audio source equipment.
- The audio input level of the transmitter is too high, lower the volume of the audio
source equipment.
TECHNICAL SPECIFICATIONS
Transmission Mode : UHF stereo
Carrier Frequency : 900 MHz
Operation Voltage : Transmitter, DC 12.5V 150mA
Speaker, built-in lead acid rechargeable battery
or DC 15V 1.5A adaptor
Frequency Response : 40Hz – 12KHz
Distortion : 1%
S/N Ratio : 65dB
Operation Distance : Up to 150 feet
Output Power : 100Watts (PMPO)
Storage Conditions : Put the speaker indoor if
1) Heavy downpours
2) Snowing
3) Temperature below 14˚F, over 122˚F
Operation Conditions : At temperature below 122˚F, over 14˚F