Becker Avionics Mode S Bedienungsanleitung Seite 26

Function of controls and indicators:
Ref. to Controls and
illustr. 1 Indicators
A Mode selector
B Rotary switch
C Button
D IDT
E Display, part 1
F STO
G SEL
H Display, part 2
J VFR
Bedienung/Operation XPDR Mode S
Description
Rotary switch with 4
positions
Rotary optical encoder
(rotary mode of C)
Push-button
(mode of B)
Push-button
2-line LCD display
Push-button
Push-button
LCD indicators
Push-button
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Function
OFF position: Transponder is switched
off
SBY position: Standby mode is
switched on
ON position: Mode A/S is switched on.
Transmission of altitude information is
suppressed
ALT position: Mode A/C/S is switched
on and the altitude information is
transmitted
Rotary switch to change settings
(16 steps per turn)
Push to jump from digit to digit for
settings or from one menu to the next;
generally used as an enter key
Activates the Special Identifier (SPI) in
addition to the reply code for approx. 18
seconds; during this time "ID" appears
in the LC display
Displays the following information:
- code indication in the top row
- flight level in the bottom row
- various information in the bottom row
- additional indicators on the left side
(see Ref. H)
Stores the selected values to the
settings
Opens the menu
Displays additional indicators, (R for
reply, ID for Ident, ALT for XPDR ALT
mode or ON for XPDR ON mode, FL for
flight level)
Activates VFR code in the upper row of
the display