NH
3
R
ESPONDER
Operating Manual
5
Table 1. Pushbutton Operations
Pushbutton
Description
•
To turn on the detector press .
•
To turn off the detector, press and hold until the countdown is complete (from normal
operation only).
•
To increment the displayed value or scroll up, press .
•
To enter the user options menu, press and simultaneously and hold until the countdown
is complete.
•
To clear the TWA, STEL, and MAX gas exposure readings, press and simultaneously
and hold until the countdown is complete.
•
To view the date and time, alarm setpoints (TWA, STEL, low, and high) of all sensors, and the
LEL/PID correction factor, press .
•
To decrement the displayed value or scroll down, press .
•
To initiate calibration and setting alarm setpoints, press and simultaneously and hold
until the countdown is complete.
•
To view the TWA, STEL, and MAX hold readings, press .
•
To acknowledge latched alarms press .
