Keypad options
FollowPower on/off
Switch the locator or transmitter on by pressing the key.
To switch the locator or transmitter off, press and hold the key until the screen blanks off.
Note: The locator will automatically power off after 5 minutes if no keys are pressed.
Keypad actions & shortcuts
Locator key actions
Key | Short press | Long press |
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Enter the menu | Switch power off. |
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Scroll through locate frequencies from low to high |
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When using active frequencies: Toggle Peak, Peak+, Null and Guidance antenna modes. In Power Mode: scroll through Power Filters™ for improved discrimination of parallel or strong signals. |
In Peak+ antenna mode: Switch between Guidance and Null arrows.
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Increase and decrease gain. RD7200 automatically sets gain to mid-point when pressed. | Rapidly increase and decrease gain steps in 1dB increments. |
Transmitter key actions
Key | Short press | Long press |
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Enter the menu. | Switch power off. |
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Scroll through locate frequencies from low to high. | |
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Take voltage and impedance measurements using selected frequency. | Take voltage and impedance measurements at a standardized frequency. |
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Adjusts the output signal. | Select standby ![]() ![]() |
NOTE: to scroll through frequencies from high to low, hold while pressing the
button (applies to both locators and transmitters).
Antenna Modes
The RD7200 locator supports 4 antenna modes to suit your particular application or the local environment.
To scroll between locate modes, press the key.
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PEAK: For accurate locating, the Peak bargraph provides a visual readout of the signal strength. The Peak signal is found directly over the buried utility. |
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PEAK+: Choose to combine the accuracy of the Peak bargraph with Null arrows, which can indicate the presence of distortion, or with proportional Guidance arrows for rapid line tracing - switch between them by pressing and holding the ![]() |
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GUIDANCE: Proportional arrows and a ballistic directional 'needle' combine with audio left/right indication for rapidly tracing the general path of a buried utility. |
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NULL: Provides a quick left/right indication of the path of a utility. As Null is susceptible to interference, it is best used in areas where no other utilities are present. |
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