Figure 2-1. membrane keypad, 2 basic operation – Fluke Biomedical ASM-990 Series User Manual

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ASM-990 Series
Operators Manual

2-2















Figure 2-1. Membrane Keypad


2.2 Basic Operation

a.

When power is initially applied, by pressing the “ON/OFF” switch, a screen displaying “Victoreen
Advanced Survey Meter” will appear. It will remain for approximately five seconds.

b.

After the five-second interval is over, the unit will display information regarding the previously
selected probe (see Figure 2-2). A prompt will then appear asking the operator to choose to
continue with the current probe selection, or to make another selection. If the operator decides to
make another selection, then the screen will display a list of probes that are currently available for
usage with that particular instrument (see Figure 2-3). Once a probe is selected, the normal
operating screen will be displayed (see Figure 2-4). The screen includes a “RULER” bar graph,
scale multiplier, measurement reading, data unit, and real-time clock. The data unit and mode of
operation are based on the user’s previous selections.

c.

When the “SEL” key is pressed, from the normal operating screen, the instrument will then display
the main menu screen (see Figure 2-5).

d.

From the main menu screen the user can select one of the following sub-menus: “SWITCH TO
INTG(RATE)”, “MODES”, “SETUP,” or “IRDA COMMUNICATION”. The user can then change the
operation setting from these sub-menus. The “SWITCH TO INTG(RATE)” selection allows for a
convenient way to alternate operation between Rate and Integrate modes.

e.

If a setting has been changed, depressing the “SEL” key will save it to permanent storage
(EEPROM memory). The instrument will then display the normal operating screen.

f.

Pressing the “ESC” key will cause the unit to ignore the current setting, and then display the normal
operating screen.

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