Keypad - Extech Instruments CO80 Manual

2.5

Keypad

The straightforward
membrane keypad
comprises 6 keys,
where a single touch
will have the following
functions:
Turns the instrument ON or OFF. Note that
the instrument will automatically switch off if
not used for a period of 15 minutes (see 4.2
for additional information)
Scrolls through up to 8 displays, depending
on options taken (see 2.6).
Used to reset the pressure to ambient levels.
Activates the Tightness Test
Displays the clock and is used to scroll through
saved reports– keeping this held down for 2
seconds activates the soundness test.
Logs and prints sets of readings, or logs and
downloads up to 50 sets of combustion analysis and
25 CO room test readings to a PC (see 4.6).
Turns the back light on/off and records the
pressure for the soundness test and the
temperature in the pressure test
8 CO80 V3.1 04/06