Velká Bíteš Turbojet Engine TJ20A Operation And Maintenance Manual - page 15
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Menu A – Control Unit Modes
LOCK
→ Setting upon battery switch-on and after COOL mode
(without RC signal)
STOP
→ Setting upon battery switch on and after COOL mode
(RC signal set to STOP)
IDLE
→ RC signal set to IDLE (displayed in idle speed)
TH:100 %
→ RC signal set from 1 % to 100 % (engine speed within the range from
IDLE to ENGINE N100 %)
COOL
→ Engine aftercooling mode (aftercooling terminated upon reaching
100
°C EGT)
ERROR
→ Function failure during engine test, start, or run (error message
displayed in menu 1:INFO → ERROR CODES)
TEST
→ Starter, fuel valves, fuel pump, and heating pencil testing mode
FIRE
→ Heating pencil preheating mode
START
→ Engine starting mode
Menu B - Data
Ub12.6V
→ Battery voltage
FP 0.0V
→ Fuel pump effective voltage
ST 0.0A
→ Starter current
GL 0.0А
→ Heating pencil current
tin000C
→ Intake air temperature
r 120.0
→ Reduced speed
Procedure of engine actuating by RC input:
1) After switching on power supply and setting RC signals in the R/C SETTINGS menu,
STOP signal must be set at the RC transmitter. The display will indicate STOP in
Menu A.
2) Set IDLE signal at the RC transmitter. The display will indicate IDLE in Menu A.
3) Set 100
% signal at the RC transmitter. The display will indicate ТH: -REL in Menu A
If TH: +RUN is indicated, the whole actuating procedure must be repeated.
4) Within 6 seconds, you must set the RC transmitter signal to IDLE. The device test,
during which the display indicates TEST in Menu A, will follow and, after successful
test, the engine will be started in idle speed. During the engine start, the display
indicates FIRE and START in Menu A and, after reaching idle speed, the display
indicates IDLE in Menu A.
If you fail to set the RC transmitter signal to IDLE within 6 seconds, the engine will
switch to STOP mode and the display will indicate STOP in Menu A. To start the
engine, the whole procedure must be repeated.