TSI Instruments CERTIFIER FA - 3.2 Keypad Functions; 3.3 Displaying Test Measurements

14 3: Operation
3.2 Keypad Functions
Table 2 summarizes the primary functions of the Certifier
®
FA Test
System keypad (Figure 9).
Top line
select key
Bottom line
select key
ON/OFF
key
DISPLAY
UNITS key
GAS SELECT
key
Backlight
on/off key
Figure 9. Controller Module Keypad
Table 2. Keypad Functions
Key
Primary Function
Top line select
Selects the measurement shown on the
top line of the display.
Bottom line select
Selects the measurement shown on the
bottom line of the display.
ON/Off
Turns the system on (I) or off (O).
DISPLAY UNITS
Selects the unit of measure for
measurements.
GAS SELECT
Selects the supply gas type for the
Certifier
®
FA.
Backlight on/off
Turns the controller module display
backlight on or off.
3.3 Displaying Test Measurements
Follow these steps to display test measurements:
1. Set up the Certifier
®
FA Test System and install it into the circuit.
2. Press the I/O (on/off) key to power up the system.