5
CHAPTER – V
OPERATING INSTRUCTIONS
5.1. INTRODUCTION: This chapter illustrates details on configuring and operating the instrument, for a
desired installation in a plant environment. Basically, operating instructions are illustrated with the
help of menu options / responses that appear on LCD / LED displays. Each of the menus facilitate
the user to choose function/ value to be set or entered as desired for its operation, at the installed
location.
An important note (to follow) for the user is
- key can be used to increase the value at the cursor position / toggle the option.
- key can be used to shift the cursor position from right to left / toggle the option.
5.2 POWER ON CONDITION: When instrument is switched on, initially, the audio visual observations
noticed till the indications shown are stable is called power on condition.
When the power is switched on, the following audio visual indications are noticed. First, to start with,
one audio beep is heard. Followed by this the following visual indications will be lit. Red cluster LED
window will flash for a while and goes off. Followed by this, normal cluster LED window will be lit,
additionally other LED’s for” dose rate unit” indication will all glow for a while and default selected
unit LED will lit permanently. The status of LCD and large LED display with power on condition is
given in the following table.
When we switch ON the unit, the LCD display will show-up
Followed by this, unit goes into acquisition mode and displays the following on
Character ‘A’ blinks indicating that dose rate acquisition is ON & mR/hr unit is default unit, stored.
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