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WWW.JBL.COM
SPECIFICATIONS TROUBLESHOOTING
JBL ON TIME 400iHD SOUND QUALITY
Symptom Possible Problem Solution Note
No sound from the
JBL On Time 400IHD
speaker dock
No power to the unit Make sure the wall power outlet or power strip has
power. Make sure all switches for outlet/power
strip are on and that all switches for speaker
system are on.
Is the display on? If not,
power is not getting to your
JBL On Time 400IHD unit;
try the solutions shown.
Incorrect source selection Ensure that the correct source is selected; choose
FM radio as a source. Turn up the volume. Check
the system with a known good source, such as your
iPod. Connect the Aux In cable to the headphone
jack on your iPod.
No sound or weak signal from
the AM/FM radio Bad reception from current location
Interference
Reposition your JBL On Time 400IHD unit until you
find better reception.
Check surrounding area for any possible
interference; wrap up any excess cables.
If you are still getting a weak signal
from AM broadcasts, connect the
external AM antenna to the AM
antenna jack.
Sound comes only from one
side/channel iPod or audio cable is not seated
properly Make sure the iPod or Aux In cable is seated all the
way into the JBL On Time 400IHD unit. If you are using an extension cable
or a third-party cable, make sure it’s
a 3.5mm stereo male-to-male cable.
Distortion (static, crackling or
hissing sounds) Noise may be caused by interference
from a monitor, cell phone or other
transmitting device
JBL On Time 400IHD unit is being over-
driven by an amplified audio source
Volume level may be too high
Turn monitor off to see whether noise is eliminated.
Move JBL On Time 400IHD unit’s cables farther
away from monitor.
Ensure that the unit is connected to an appropriate
source device. Make sure that all signal cables are
inserted snugly into receptacles.
Check volume of source device; some devices
will distort the output signal if the volume is set to
Maximum.
Too much bass or treble Check the EQ setting on your iPod or
source device We recommend that the source device EQ be set
to Flat or Off.
JBL On Time 400IHD unit emits
a loud hum or buzzing noise Input cables not plugged in properly Check input cable connection.
Speaker system experiences
radio frequency interference
or picks up a radio station
Input cable may be picking up
interference Wrap up excess input cable to make it as short
as possible.
Purchase a ferrite clamp and attach it over the
input cable; a clamp can be purchased at your local
electronics store.
Frequency Response: 75Hz – 20kHz
Power Consumption: 30 Watts maximum
JBL On Time 400IHD Transducer: Phoenix SE
1-3/4" (45mm) x 2 (full range per channel)
Power: 6 Watts x 2 < 1% THD
Input Impedance: >5k Ohms
Signal-to-Noise Ratio: >75dB
Input Sensitivity: 500mV RMS for rated power output
Power (USA/Canada): 120 Volts, 60Hz AC
UL/CUL/CE-Approved
Dimensions: 14-3/16" x 5" x 3-1/16"
(W x D x H) (361mm x 128mm x 79mm)
Weight: 2 lb (0.9kg)
DISPOSAL: Do not dispose of this
product as unsorted municipal
waste. Collection of such waste
separately for special treatment is
necessary.
IMPORTANT: Use UM4/AAA/LR03
alkaline-type nonrechargeable
batteries only.
English
0033CSK - JBL On Time 400iHD Samlet v9.indd 21 15/08/08 12:35:45
21


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