3M 2250ME Metal Detector User Manual


 
78-8130-6151-8-E 9
Receiver Key Pad Definitions
POWER: [1] Turns unit off and on.
SPEAKER: [2] Adjusts the volume of the receiver (off, low, med, high, and Xpand).
SPEAKER ICON [2A]: Indicates the relative volume level of the receiver. When
the third ring is dotted and ‘xpnd' appears below the speaker icon, the receiver is in
“Expander” mode. This mode is used to pinpoint the target cable or pipe.
CONTRAST: [3] The arrows located above and below the contrast icon will adjust the
contrast of the screen.
GAIN: [4] Adjusts the sensitivity of the receiver either up or down to maintain a
satisfactory signal level.
LOCATE/OK: [5] Sets the receiver to trace mode for locating cable or pipe.
Acknowledges setup entries (OK).
MENU: [6] Displays setup screen for configuration of the unit, i.e.: clock, language,
depth units, marker data and frequencies.
BACKLIGHT: [7] Toggles the backlight low, high, and off.
BATTERY ICON: [8] Indicates battery level.
SOFT KEY: [SK] There are four soft keys on the receiver. The function of each key
is shown above the key on the display screen. The functions will change, depending on
the operation mode of the receiver. For instruction purposes, the display command is
followed by [SK] to identify it as a soft key.
SOFT KEY COMMAND: [9] Definitions for each of the four soft key functions.
SIGNAL STRENGTH: [10] Digital reading of the signal the receiver is detecting.
BAR GRAPH: [11] Graphical representation of the received signal.
GAIN LEVEL: [12] Displays relative gain level.
EXTERNAL JACK: [l3] Port to connect cables from external devices such as the earth
frame, a second Dyna-Coupler, or toning coil.
SERIAL PORT: [14] RS232 port to connect the receiver to a PC via straight serial
cable (not included).
EARPHONE JACK: [15] Will fit standard 1/8 inch mini-jack mono earphone plug
(not included).