Receiver Keypad, Screen Icons, And Port Definitions - 3M Dynatel 2250M Series Operator's Manual

Receiver Keypad Definitions
Figure 1
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 accentuates any change in signal level.
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 audio and bar graph 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, communication port settings, 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.
Figure 2
EXTERNAL JACK: [13] Port to connect cables from external devices such as the
earth frame, a second coupler, or toning coil.
SERIAL PORT: [14] RS232 port to connect the receiver to a PC or GPS unit.
EARPHONE JACK: [15] Will fit standard 1/8 inch mini-jack mono earphone plug
(not included).
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