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Chapter 2. Initial Setup
14 Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
2.3 Powering ON and OFF (cont.)
To turn the PT878 off, press the red key for 3 seconds. The screen now
appears similar to Figure 5 below.
Figure 5: Shutdown Menu
Three options are available:
• Press [F1] to shut down the PT878, turning it completely off.
• Press [F2] to send the PT878 into sleep mode. In this mode, some of the
power supplies shut down, but the PT878 remains in a standby mode.
Users can resume taking measurements immediately by pressing the
power button.
• Press [F3] to cancel the command and return the PT878 to normal
operation.
If the PT878 locks up, you can reset it by holding the power key (the red key
in the upper right corner) for 15 seconds.
Velocity, ft/s
Signal, dB
Delta-T, ns
Volume, l/s
Resume
SHUTDOWN: Meter OFF
SLEEP: Meter Idle
CANCEL: Resume Operations
Shutdown
Sleep