Meriam M2110L SMART LEVEL GAUGE - Manual (Page 6)

9R143 Dated 3/2011
4
KEYPAD FUNCTIONS:
The keys on the front panel perform multiple functions. Their function differs depending on whether the gauge is in
Measure Mode or Program Mode.
• Measure Mode is the normal operating mode for measuring and displaying level. This mode is always
default after power-up or reset.
• Program Mode is used to configure the various options of the gauge. This mode is denoted by a PRGM
indicator on the display.
ON/OFF /
Backspace Key
ON
/ OFF
Document Symbol: (Backspace
←)
Measure Mode
• Battery models: Toggles the gauge ON and OFF.
• SetPoint and Current Loop models: “Resets” the gauge.
Sequence of power-up or reset
1. Display test is performed (all segments of the LCD display are turned on).
2. Firmware revision is displayed.
3. Full scale (programmed level) is displayed in the last Engineering Unit used.
4. All prior register values are restored and activated.
5. Measure Mode displays level in the last Engineering Unit used.
Program Mode Backspace function:
From Program Mode, this key will exit to Measure Mode.
When editing a register, this key is used to abort a programming operation and exit the
register without making any changes.
When editing a multi-digit value, each key press will backup one digit, until finally
exiting the register.
ENG UNITS/Up
Arrow Key
ENG
UNITS
Document Symbol: (Up
↑)
Measure Mode Allows the Engineering Units to be changed (see page 7). During Engineering Unit
selection, the current unit indicator remains solid, and the “new” unit indicator is
flashing. Scrolling through the available units is done by pressing the Up
↑ or Down↓
keys. The flashing unit is selected using the PRGM/Enter
→ key, or the process may be
aborted by using the Backspace
← key.
Program Mode
(and EU Selection)
Scroll up function. Scrolls up through the available programmable registers. Once a
register is opened, this key allows editing by scrolling up through the values in the
register.
Backlight/Down
Arrow Key
Document Symbol: (Down
↓)
Measure Mode Toggles the display Backlight on and off. Note that the default Backlight status for the
Battery model is OFF to conserve battery life. The other models will retain the prior
Backlight status as default.
Program Mode
(and EU Selection)
Scroll down function. Scrolls down through the available programmable registers. Once
a register is opened, this key allows editing by scrolling down through the values in the
register.