DPT701 Digital Pressure Tester User’s Guide_English Version_V2.00
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The backlight can be activated at any time using the backlight key. To deactivate the backlight,
press the backlight again. Please note that the backlight needs a lot of battery power; so it should
be used only when it is strictly necessary.
4 Diagnostic Operation
This section illustrates how to measure fuel pressure and engine compression.
4.1 Start-up Auto Test
A start-up auto test assures the user that the battery, the sensor and the microprocessor are
working properly when the tester is turned on
.
To perform Start
-
up Auto Test
1. Connect the pressure sensor to the pressure tester, then press power on key to turn on the
tester. The display will show the welcome message for three seconds.
Figure 4-1 Sample Start-up Welcome Screen
2. A “power on test” will be performed and the battery, sensor, memory and fuse will be tested one
by one automatically.
Figure 4-2 Sample Battery Test Screen
Figure 4-3 Sample Sensor Test Screen
Figure 4-4 Sample Memory Test Screen
