(C)
Microphone Jack
Using the optional Headset Adapter (#8635A) the microphone of a standard
aviation noise attenuating headset may be plugged into this jack. The internal
microphone is disabled only when this jack is used with a microphone connected
to the adapter.
(D)
Key Lock
This toggle switch is used to lock out all inputs to the keyboard.
(E)
Squelch
Rotate clockwise to increase squelch and counterclockwise to decrease squelch.
(F)
On/Off and Volume Control
Combination on/off and volume control. Turn the knob clockwise from the OFF
position to turn the unit on and to increase volume. Turn the knob
counterclockwise to decrease volume and to turn the unit off.
Left Side View
(G)
Light Button
This button activates the back lighting for the screen and keypad.
(H)
Push-To-Talk Button
This button activates the internal microphone or an external microphone when
using the optional headset adapter.
(I)
Battery Pack Release
Pushing this button upward releases the battery pack for removal.
Front View
(J)
Screen
This LCD displays the current frequency, Course Deviation Indicator (CDI) and
other information to the operator.
(K)
Internal Speaker
(L)
Internal Microphone
(M)
Numeric Keypad
These keys are used whenever the JD-200 requires a numeric input such as setting
the frequency or Omni Bearing Selector (OBS).
