User guide

82 10 91: A M P1 - MA DI e Use r Gu id e
© 2013 Wohl er Tec hn ologi e s , In c . Al l r ig h ts re se rved.
49
Ch apt er 4 Internal Menu System
Met er T yp e an d R e f er e nc e Me n u
Figure 4–5 Meter Type and Reference Menu
• Scale: Pressing this button and then rotating the Channel Volume
knob steps through the scales for the level meters. Six selections are
available as shown in Table 4–1 below.
• Float: Pressing this button and then rotating the Channel Volume
knob adjusts the ballistics of the floating segment.
Meter Type & Reference Menu
Back
0 dBr = 0 dBFS Reference
Next
AES
IEC1
Scale
Float
0
-60
-50
-40
-30
-10
-20
VUBar
Press any key to select,
and turn Channel Volume to adjust.
Metering Mode toggles between
pre-fade and post-fade.
Pre Fade
Metering
Mode
Post Fade
Press and hold Channel Volume to exit menu.
Table 4–1 Meter Limits and References
Scale
Bottom
Limit
Top Limit
Default
Reference
Default Color
Bounds
Default Ballistics
Lower Upper Float Bar
AES -72 dBFS 0.0 dBFS 0 dBFS = 0 dBFS -30 dBFS -20 dBFS
IEC
Type I
VU
VU -45 dBr +3.5 dBr -20 dBFS = 0 dBr -3 dBr 0 dBr — VU
Extd VU -56 dBr +16.0 dBr -20 dBFS = 0 dBr -10 dBr 0 dBr — VU
BBC
(EBU)
-13.25 dBr +13.25 dBr -18 dBFS = 0 dBr 0 dBr 8 dBr — IEC Type II
Nordic -42 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 4–2 Meter Timings
Ballistics Rise
Fall
Level
Change
Time
Average Not 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