Specifications
PCA
®
3
13
T-STACK T-AIR
Figure 1-1. PCA
®
3 Components
F1 / F2 / F3 –
Soft Menu Buttons,
whose functions are
defi ned by labels
appearing above them
on LCD
Arrow Buttons:
– Moves cursor
up the display, or
increments an alpha-
numerical value
– Moves cursor
down the display, or
decrements an alpha-
numerical value
– Moves cursor left,
or moves to top of
menu list
– Moves cursor
right, or moves to
bottom of menu list
ENT - Selects a
highlighted menu item, or
confi rms the entry of data
RUN / HOLD:
• Starts and stops a
combustion effi ciency test
• Pressing this button during
the 5 second turn-off period
will keep the analyzer turned
ON
ESC – Displays previous
menu or previously viewed
screen
I/O – Press from between
1 and 2 seconds to turn
analyzer ON and OFF
– With analyzer turned
ON, press briefl y to turn
keypad backlight ON and
OFF
POWER – AC power adapter
connector
OPT – Option
external measurement
connector
T-STACK – Probe’s
stack-gas thermocouple
connector
T-AIR – Primary /
ambient air thermo-
couple connector
GAS – Probe’s gas hose
connector
“+∆P” Probe’s draft
hose fi tting
“–∆P” Reference
pressure hose fi tting
USB – Computer
communications
connector
IrDA – Wireless
printer communica-
tions port
Color LCD