FCC ID :DY7RT8059
4
Front View
(J) Screen
This LCD displays the current frequency, Course Deviation Indicator (CDI) and other
information to the operator.
(K) Internal Microphone
(L) Numeric Keypad
These keys are used whenever the SP-400 requires a numeric input such as setting the
frequency or Omni Bearing Selector (OBS).
(M) Emergency Frequency Key
(N) Reception of Weather Channel Broadcasts Key
This key is used to activate the Reception of Weather Channel Broadcasts mode.
(O) Clear Key
This key is used to clear erroneous key entries and to exit functions such as search, scan,
and memory storage and recall. This key is also used in combination with the Down key to
lock out all inputs to the keyboard.
(P) Omni Bearing Selector Key
This key is used to activate the Omni Bearing Selector (OBS) function for the Course
Deviation Indicator (CDI).
(Q) Memory Key
This key is used while storing frequencies in one of the 20 memory channels.
(R) Recall Key
This key is used to recall stored frequencies from the 20 memory channels.
(S) Up Key
This key is used to select the next higher frequency, select the next higher OBS setting or to
initiate search and scan functions.
(T) Down Key/Key Lock Key
This key is used to select the next lower frequency, select the next lower OBS setting or to
initiate search and scan functions. This key is also used in combination with the Clear key to
lock out all inputs to the keyboard.
