JK Audio innkeeper 4 - Manual (Page 4)

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Backlit LDC menu display, 2x20 characters.
Directional Arrow Keys - Press these buttons to navigate
through the menu.
Enter Button - Press this button to make a selection on
the menu.
Keypad - Use these keys to dial a phone number or
manually enter menu selection codes.
Call Buttons - Press these buttons to take the
corresponding phone line off-hook or manually answer
an incoming call.
Drop Buttons - Press these buttons to manually drop a
call or place the corresponding phone line on-hook.
OH LED - Off-Hook LED lights when the corresponding
phone line is off-hook or on line with a call. Also
functions as a visual ring indicator and will flicker when
ring voltage is present on the corresponding phone line.
Transmit LED - Bi-color Transmit LED will light green
when audio is being sent down the corresponding phone
line at -20 dB or greater signal level. LED will change to
red to indicate clipping at -3 dB.
Receive LED - Bi-color Receive LED indicates that caller
audio is present on the corresponding phone line at -20
dB or greater signal level if green and -3 dB or greater if
red.
Monitor Handset Jacks - Used to connect an electret
type handset for communication on the corresponding
phone line.
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Features (cont)