GE Hydran 201i, Instruction Manual

Page: 77 / 300

User Interface Operating Modes
Part 17997 Rev. 6, March 2011 4-5
Table 4-1 - Messages Displayed in the Main Display Mode
4.2.3 Menu Navigation Mode
The Menu Navigation mode is used to access the Main Menu or the Extended Menu, and
thus to all H201T
i ’s parameters and commands without requiring the use of a host
computer.
• The Main Menu gives access to the most frequently used parameters and commands.
• The Extended Menu gives access to all parameters and commands.
Note: The H201Ti automatically returns to the Main Display mode if the keypad is not used
for five minutes.
Each submenu of the Main Menu and Extended Menu is described in detail in Section 4.5
on page 4-10.
Display Description
Alarm message
( Alarm set point )
Displayed only if an alarm occurred, if it was acknowledged and if the
alarm condition is still present. See Section 4.2.1 on page 4-3.
GasLevel
xxx PPM
• Gas level measured by the Hydran 201 sensor
• Range: 0 to 2,000 ppm
• Initial value
b
: 0 to 20 ppm
b. Sensor exposed to air; for example, during the initial verification or the installation.
HourlyTrend
+xx / 24 h
• Variation in ppm of the gas level for a period in hours
• Period adjustable from 1 to 99 hours
• Initial value
a
: 0 ppm/24 hours (default value of the period)
DailyTrend
+xx / 30 d
• Variation in ppm of the gas level for a period in days
• Period adjustable from 1 to 99 days
• Initial value
a
: 0 ppm/30 days (default value of the period)
( Date )
a
( Time )
a. The H201Ti’s clock is set at the factory. Local time may differ from the displayed time; to set it,
see Section 6.2.3 on page 6-8.
Date (year-month-day format)
Time (24-hour format)