LOCAL OPERATION
3-46
Audio peak hold
Press the [Audio Meter] key, followed by the [Audio Pk Hld] key.
The highest transmitted audio level is held on the display. An inverse video red 'P' in displayed
near to power readings that are peak-held, in receiver, duplex and audio screens.
Instrument dBr level, dBr ref
Press the [Audio Meter] key, followed by the [More] key.
Inst dBr
Pressing the [Inst dBr] soft key establishes the current modulation level reading as the dBr
reference level.
dBr Ref
Pressing the [dBr Ref] soft key allows a modulation reference level to be set, so that the digital
modulation reading is shown as dBr levels relative to the reference. The bargraph readout and the
positive and negative readings continue to display the absolute values.
The reference level can be set using the Data input keys or captured from the current absolute
measurement by pressing the [Inst dBr] soft key.
Abs Meas
Pressing the [Abs Meas] soft key cancels the current dBr reverence level and restores the digital
modulation reading to absolute levels.
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