
Au Group Electronics Au SAE J1939 Simulator (Gen II) 2.00A User Manual Rev. D
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oMenu button is used to control Warning LED on/off. A single press on Menu button will turn on the Warning
LED if the Warning LED was off, and vice versa.
oThe Menu button function is available only on Engine Premium Edition(s) and Vehicle Platinum Edition(s). In
Engine Basic Edition(s), Menu button is not used, Warning LED is constantly off.
oIf buzzer is enabled, a short beep will be heard upon a press on the Menu button.
In dynamic mode, the simulator automatically adjusts the control step value by itself. This will generate dynamic J1939
signals. In static mode, all* simulated SAE J1939 signal will be controlled by the control step value, which is still able to
be manually controlled by the Up and Down buttons.
Note: * The Engine Clock is not controlled by the control step value and push buttons; it runs all by itself just like a real
clock.
•Press Down button:
oDown button is used to decrease the values of all J1939 signals. A single press will decrease all data one
step from previous values until they reach the minimum values. ▼0% LED will be triggered on or off.
oIf ▼0% LED is on, press Down button one time, ▼0% LED will be off.
oIf ▼0% LED is off, press Down button one time, ▼0% LED will be on.
o80% LED blinks when control step value equals to 80%,
o60% LED blinks when control step value equals to 60%,
o40% LED blinks when control step value equals to 40%,
o20% LED blinks when control step value equals to 20%,
o▼0% LED blinks when control step equals to 0%,
oIf buzzer is enabled, a short beep will be heard upon a press on Down button.
•Press Up button:
oUp button is used to increase the values of all J1939 signals. A single press will increase all simulated data
one step to next data level until they reach the maximum values, ▲100% LED will be triggered on or off.
oIf ▲100% LED is on, press Up button one time, ▲100% LED will be off.
oIf ▲100% LED is off, press Up button one time, ▲100% LED will be on.
o20% LED blinks when control step value equals to 20%,
o40% LED blinks when control step value equals to 40%,
o60% LED blinks when control step value equals to 60%,
o80% LED blinks when control step value equals to 80%,
o▲100% LED blinks when control step value equals to the highest value, 100%.
oIf buzzer is enabled, a short beep will be heard upon a press on Up button.
•Press and hold both Down + Up button for more than 1 second:
oDown + Up buttons are used to turn buzzer on/off.
oIf buzzer is on, press and hold Down + Up for more than 1 second will silent buzzer thereafter.
oIf buzzer is mute, press and hold Down + Up for more than 1 second will enable the buzzer thereafter.
oBoth ▲100% and ▼0% LED will flip their on/off status as a visual indication of this dual-button input.
oIf buzzer is enabled, a long beep will be heard to reflect the input of Down + Up button.
•Press and hold both Menu + Down button for more than 1 second:
oMenu + Down buttons are used to turn Engine DM2 warning on/Reset.
oBoth ▲100% LED and ▼0% LED will flip their status as a visual indication of this dual-button input.
oIf buzzer is enabled, a long beep will be heard to reflect the input of Menu + Down button.
oThe Engine DM2 warning messages (available only at premium editions and platinum editions) are always
on after power-on. It can be reset when an Engine DM3 PGN is received.
oFor continuous test purpose, after an Engine DM3 PGN is received, either re-power-on the simulator or
press and hold both Menu + Down button for more than 1 second will turn on the Engine DM2 warning
again.