Hal Technology HAL-HPC301 - Basic Operation; Handheld Unit Overview; Key Functions

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2. Basic Operation
2.1 Handheld Unit Overview
Figure 2: Overview of the HPC301
2.2 Key Functions
The units interface is composed of a six key interface:
ENTER
BACK
Each button controls the following features:
• Power button : While the unit is off, press and hold the power button for
approximately 2 seconds to turn on the instrument. While the unit is on, press and
hold the power button for approximately 2 seconds to turn off the instrument. If