GE PM880 - Powering on and off; Powering on

Chapter 1. Getting Started
Model PM880 Portable Hygrometer User’s Manual 5
1.2 Powering On and Off
IMPORTANT: For CE compliance, the PM880 is classified as a
battery-powered device.
1.2.1 Powering On
To turn the PM880 on, press the red button in the upper-right-hand corner of
the keypad. Immediately upon powerup the PM880 displays a series of
messages and performs various checks. The screen then appears similar to
the one shown in Figure 1.
Note: If the meter displays a Probe Reminder message, press [ENTER].
Figure 1: Screen After Powering On
Note: If the meter fails any of these tests, contact the factory.