User guide

821189: AMP1-16-M User Guide
© 2014 Wohler Technologies, I n c . A l l r ights reserve d .
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Ch apter 4 Internal Menu System
Me te r Type and Refer en ce Me nu
• Float : Pressing this button and then rotating the Trim knob adjusts
the ballistics of the floating segment.
• Bar : Pressing this button and then rotating the Trim knob steps
through the available settings for the bar ballistics. Refer to Table 4–
1 on page 34.
• Reference : Pressing this button and then rotating the Trim knob
adjusts the reference. Refer to Table 4–1 on page 34 for the reference
standards for each scale.
• Audio Pair Select and Mono Channel Select: These two
options control the method of channel selection on the main screen
of the unit.
• Mono Channel Select – When set to Disable, both channels
of a pair are quickly selected and deselected by repeated
presses of a Channel Pair Select button. When set to Enable,
multiple presses of a Channel Pair Select button will select or
deselect one or both channels of the pair, allowing you to
select individual channels. For example, using Pair Select 3/4:
Extd VU -56 dBr +16.0 dBr -20 dBFS = 0 dBr -10 dBr 0 dBr — VU
BBC
(EBU)
-13.25 dBr +13.0 dBr -18 dBFS = 0 dBr 0 dBr 8 dBr — IEC Type II
Nordic -44 dBr +12.5 dBr -18 dBFS = 0 dBr -10 dBr 0 dBr — IEC Type I
DIN -53 dBr +5.5 dBr -15 dBFS = 0 dBr -5 dBr 0 dBr — IEC Type I
Table 4–1 Meter Limits and References (Continued)
Scale
Bottom
Limit
Top Limit
Default
Reference
Default Color
Bounds
Default Ballistics
Lower Upper Float Bar
Table 4–2 Meter Timings
Ballistics Rise
Fall
Level
Change
Time
VU No t Specified
IEC Type I
5 ms to reach -2 dB of
settled reading
-20 dB 1.7 sec.
IEC Type II
10 ms to reach -2 dB of
settled reading
-24 dB 2.8 sec.
None Bar or Floating Segment Not Displayed
Note:
The AES scale does not allow you to set a reference.