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<strong>GX9000</strong> User manual Rev 2.1 Metering and the Display<br />
PPM Scale<br />
Display<br />
<br />
<br />
.FinePPM<br />
<br />
Normal<br />
-22dB +/-1<br />
-20dB +/-1<br />
-18dB +/-1<br />
-16dB +/-1<br />
Frames on/off<br />
Display<br />
<br />
<br />
.Frames<br />
<br />
Off<br />
On<br />
You can expand the PPM scale to cover just 2dB from the top to the bottom,<br />
for the purposes of calibration of internal and external ADC’s. The centre<br />
pixel can be programmed to represent either –16dBFS, -18dBFS, -20dBFS or<br />
-22dBFS.<br />
In Expand mode two pixels light for each PPM column until the in<strong>com</strong>ing level<br />
is aligned. One pixel shows the in<strong>com</strong>ing level and the centre pixel flashes<br />
until the in<strong>com</strong>ing level matches the alignment level. If the in<strong>com</strong>ing level is<br />
outside of the expanded range, the bottom or top pixel stays lit to indicate the<br />
direction of the error.<br />
Expand mode can be cancelled by selecting Normal.<br />
• Press the Setup button.<br />
• Use the Rotary Wheel and Parameter Up and Parameter Down buttons<br />
to select the Display | .FinePPM menu heading.<br />
• Press the Value Up and Value Down buttons to select one of the four<br />
scales.<br />
• Press the Enter button to enter Fine PPM mode.<br />
This heading allows the user to not display the frames segment of the<br />
Timecode display. Some users prefer to not display these characters to make<br />
the timecode more readable.<br />
<strong>Genex</strong> Audio Inc Page 60
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