JK Audio BlueKeeper - Manual (Page 6)

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Features—Front View
Figure 1: Front View
1 2 3 4 5 6 7
8 9
10 11
1. Call Button - Press this button to initiate Bluetooth Idle or Pair-
ing mode, redial an outgoing call or accept an incoming call.
2. Drop Button - Press this button to drop (hang up) a call.
3. Send 1 Level - Adjusts the signal level that you are sending out
to the cell phone through the female XLR input.
4. Send 2 Level - Adjusts the signal level that you are sending out
to the cell phone through the 3.5mm mini jack input.
5. Caller Level - Adjusts the level of the incoming audio as it is
going out the output jacks.
6. Headphone Level - Adjusts the signal level coming from the
3.5mm front panel headphone jack.
7. Headphones - The 3.5mm stereo headphone jack contains a
mix of both the Send input audio and the Caller audio.
8. Blue LED - Indicates Bluetooth status, lit steady when you are
on line with a call or flashes to show pairing status.
9. Send LEDs - Displays the signal level going to the phone call.
10. Power LED - Lit when unit is plugged in and receiving power.
11. Caller LEDs - Displays the signal level coming in from the
phone call, after the DSP. This signal level will not change
when you adjust the Caller knob.
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FAQs
? How can I send more audio to the caller without lighting the
red -3 dB LED?
! Cell phones have different audio levels so the Send control knob
and the Send LEDs will respond differently. Use the Send LED
meter as a general guide, then you may need to readjust for a
comfortable listening level without distortion. See page 9.
? What is the difference between Mic level and Line level?
! Mic level is typically 20-30 dB lower than Line level and needs a
pre-amp to bring it up to Line level. While many audio recording
or playing devices will have an 1/8” input, it is important for you to
know what type of input it is. Usually a mic input will be mono
and will use a pre-amp circuit, and a line input will be stereo.
Check your cable also to be sure it is compatible with the type of
input/output you are using. A stereo mini cable will have two
black rings and a mono cable will have one black ring on the
plug. On many mixing consoles, the XLR input will be mic level
and the 1/4” TRS inputs will be line level.
? Why does my laptop only record half of the conversation?
I’m using the Stereo output on the BlueKeeper and I have a
stereo cable.
! Most laptop computers only have a mic input, which is mono.
You will need to use the mono mic level output of the BlueKeeper
or get a sound card with a stereo line level input for your laptop
or you can use a USB or Firewire interface product that will ac-
cept a stereo input.
Also, many laptops and mini recorders have a built-in micro-
phone. You may need to change the settings on your laptop or
recorder to be sure you are recording from the input jack and not
the integrated mic.
? There is a loud hum on the output of my BlueKeeper, even
with nothing else connected. What else could it be?
! Make certain you are using the regulated power supply that was
shipped with this unit. Power supplies are not all the same.