Chapter 4. Using Special Features
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Model PM880 Portable Hygrometer User’s Manual
4.11Using Sleep Mode
The Sleep Mode
keeps the PM880 in a state in which the unit appears
to be off.
During Sleep Mode the unit is idle and consumes less power.
When you want to use the unit again, it comes out of Sleep Mode quickly,
performs an AutoCal and is restored exactly as you left it.
4.11.1 Placing the PM880 in Sleep Mode
1.
Press the red power key for 3 seconds. The screen now appears similar
to Figure 31.
2.
Press
[F2]
to place the PM880 in Sleep Mode.
Figure 31: Shutdown Menu
4.11.2 Resuming Operation
Tap the red power key. The PM880 powers on, performs an AutoCal and
returns to exactly where you left it.