Doosan D35S-5 Service Manual page 296

2. After selecting the event, select
the system selection screen as shown in following figure.
Please make sure to select compliant system of the vehicle specification.
3. Select
displayed as following figure.
D439E Service Manual
<Figure 15: ECU Manual Upgrade – STEP 1>
or button, then the message window requiring password will be
<Figure 16: ECU Manual Upgrade – STEP 2>
or button, then the screen will be changed to
CAUTION
294 5. Service Tool