5
2.2
Menu and Configuration Settings
By pressing the temperature button
for
11
seconds, the unit enters into
Menu status
. There
are six menu items by pressing the temperature button shortly to
AIR, N2, LX.X, HX.X, A ON/AOFF and E (exit).
To change the Low and High Alarm Thresholds, switch to L0.5 or H1.0
and press the
button shortly to alter between defaults, press
to
loop switching between
select, E to exit. The menu items are described in the following table:
Menu Items
Functional Description
AIR
“AIR” means Ambient Air Calibration. User presses the
power button
to implement
Ambient Air
Calibration
(300~600ppm).
N2
“N2” means Nitrogen Calibration. User presses the power
button
to implement
Nitrogen
Calibration
(0~200ppm).
H0.5/H0.5T/H1.0/
H1.5/H3.0
Current Defaults are L.0.5 H1.0
High Alarm Threshold
setup.
User presses the power button
to switch the high alarm
threshold: H0.5 (5000 ppm), H0.5A (5000 ppm), H1.0 (10000
ppm), H1.5 (15000
ppm), and H3.0 (30000 ppm).
L0.5/L0.5A/L1.0/L1.5/L3.0
Low Alarm Threshold
setup. User presses the power button
to switch the low alarm threshold: L0.5 (5000 ppm), L0.5T (5000
ppm TWA), L1.0 (10000 ppm), L1.5 (15000ppm),
and L3.0 (30000 ppm).
A ON/ AOFF
Setting
Man down alarm
function on/off. User presses the
power button
to switch “A ON” (allowing Man down
alarm) or “AOFF”
(prohibiting Man down alarm).
E
User presses the power
button
to exit the menu.
