TDT PZ2, Manual

System 3

6-5

PZ2 PreAmp

Double-clicking the macro in RPvdsEx displays the macro properties and allows users 

to easily configure the macro. Additional information on using the macro is available 

in the macro properties dialog box.
This macro is not required for preamplifier operation but is recommended if the user 

requires more control over the amplifier power/up or power/down status or front 

panel LEDs. See the relevant sections below for more information about these 

features. 

PZ2

Features

Clip

Warnings

and

Activity

Display

256 front panel LEDs can be used to indicate spike activity and/or clip warning 

depending on display mode and configuration. See “Display Button” and “Status 

LED” below for more information. 

Recording

Channel

LEDs

When enabled, LEDs for each channel may be lit green to indicate activity or red to 

indicate a clip warning. 

Green:

Activity

|

Red:

Clip

Warning

Clip Warning

When the input to a channel is greater than -3dB from the 

preamplifier's maximum voltage input the LED for the 

corresponding channel is lit red indicating clipping may occur.

Activity

Whenever a unit (spike) occurs (the sensitivity threshold can 

be configured with the PZ2_Control macro) the LED for the 

corresponding channel is lit green.

Note:

The LED Indicators are also mirrored on the RZ2 LCD display.

Display

Button

The Display button located on the front panel of the PZ2 toggles the clip warning 

and activity display LEDs between software control and standard operation.

To toggle between display modes: 

•

Press the 

Display

 button.

Status

LED

When recording, the status LED located below the Display button indicates the 

current display mode of the LED Indicators. 
Green

Software Control of LEDs
Use the PZ2_Control macro to configure LED Indicators. LEDs 

are turned off until enabled through software control.

Orange

LEDs enabled for standard operation