5
Features
3. Headphone Level Control
The headphone volume control adjusts the level of audio sent
out the 1/4” headphone jack. Adjusting this control will deter-
mine the level of audio you hear in your headphones.
4. Battery
Door
The easy change battery door can be opened by inserting a
small object into the slot, such as a coin or fingernail, and lifting
up and out. The battery should be removed if ComPack is not
going to be used for extended periods of time.
5. 9 VDC Power Jack
ComPack is powered by either one 9 V battery or the included
AC adapter. The provided AC to DC adapter is a high quality,
regulated power supply. When the power supply is connected
to ComPack, battery power is bypassed. This AC adapter is for
powering the unit only, it does NOT charge the battery. Make
sure to use only the supplied AC adapter with ComPack. Using
any other adapter can cause poor audio quality and/or damage
the unit. If you need a replacement AC adapter, contact any JK
Audio dealer and ask for a 9 V power supply (Part # PS008).
6. Phone Mix Output / Intercom Link
This recessed switch sets how the male XLR jack will be used.
With the switch to the left (toward the XLR jacks) the XLR jack
will contain a mix of the telephone caller and the microphone or
line input from the female XLR jack. With the switch to the right
(toward the level control knobs) the male XLR will provide bi-
directional audio for use with your intercom beltpack system.
7. DTMF
Keypad
The telephone keypad is equipped for tone dialing only. You
may use the keypad at any time during a call but keep in mind
that transmit audio is muted during a keypress. This keypad
should only be used to dial calls when the unit is connected
directly to an analog telephone line.
8. Keypad On / Off Switch
This switch disables the DTMF keypad to prevent tones from
being blasted down the phone line during a broadcast. You
should leave this switch in the off position when using the wire-
less phone or PBX handset interface.
