GT-521S Manual Rev D
Page 9
4.
Operation
The following sections cover the basic operation.
4.1.
Power Up
GT-521S power is controlled by a slide switch located on the right hand side of the unit.
Move the power switch to the on position (towards the top of the case) to power up the
unit.
The first screen shown on power up is the Startup Screen (Figure 4). This screen
displays the product type and company website for 2 seconds before loading the
Operate Screen.
GT-521S
WWW.METONE.COM
Figure 4
– Startup Screen
4.2.
Operate Screen
The Operate Screen displays the date/time, sample status, current sample data and
previous sample data. Figure 5 shows the Operate Screen.
18 AUG’06 11:23
0.3µ 0 CF
0.5µ 0 CF
Location: 001
Figure 5
– Operate Screen w/o Temp/RH
The top line of the Operate Screen shows date and time or status/alarm messages
depending upon the machine status. Lines 2 and 3 display the two count channels.
Line 4 displays the location number or optional Temp/RH data. Use the up/down arrows
to alternate between Location number and Temp/RH when the optional G3120 probe is
attached.
Particle count units are user selectable. The selections include: Total counts (TC),
particles per liter (/L), particles per cubic foot (CF) and particles per cubic meter (M3).
Ambient temperature can be displayed in units of Celsius (ºC) or Fahrenheit (ºF). Both
unit settings are discussed in section 5.2.4.
