Startup Operation And Indication; Startup; Startup Display Indications; Locked Indication - Arbiter Systems Power Sentinel 1133A Operation Manual

Chapter 5

Startup Operation and Indication

5.1

Startup

This chapter address the startup and initial operation immediately following the application of
inlet power to the Model 1133A. It addresses the activity of the specific annunciator LED's and
display indications, so that you will know what to expect when applying power. When you apply
power to the Model 1133A, startup should begin with the Annunciator LED's flashing briefly and
the LCD display indicating some initial startup information as illustrated below.
5.1.1

Startup Display Indications

After applying inlet power to the 1133A, you should see the three specific LCD display indications
shown below in sequence. Each should persist for several seconds before changing to the next. There
should be no change after the third display indication until the GNSS begins tracking satellites and
it will indicate that number. As the GNSS begins acquiring satellites, the tracking number will
count up to a total possible satellites of twelve.
Figure 5.1: Initial Startup Screen
Figure 5.2: Copyright Startup Screen
Figure 5.3: GNSS Status Screen
5.1.2

Locked Indication

Sometime after the 1133A indicates that it is tracking four satellites, at initial startup, the word
"STARTUP" will change to "LOCKED." This number of satellites is required to establish a new