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16 O V E R F L O W / L E V E L MONITOR
During measurement of w o w flutter, the monitor lamp will- light when an input
signal of specified level (selected by L E V E L
kHz) ± 3 0 0 Hz is present.
- During measurement of frequency, this lamp will also light when a signal of
specified input level (more than 1 0 0 mV) is present. The lamp flickers when the
input frequency is more than 9 9 9 9 Hz, indicating an overflow frequency.
Note:
The lamp flickers momentarily at the time of power ON. This is normal and is
not an indication of trouble.
17
F R E Q U E N C Y
^ The 4-digit, red L E D display indicates the frequency of w o w flutter being measu-
red. The maximum reading is " 9 9 9 9 " .
18 Carrying Grip
Use this grip when carrying the F L - 1 8 0 .
19
Meter
This meter indicates w o w flutter for direct reading. It provides two full scale
readings of " 1 0 " and " 3 " which correspond to each position of the R A N G E
switch (B).
2 0 Stand
This stand can be locked by pulling in the "arrow" direction (see Fig. 2).
8
Fig. 2 Use of auxiliary foot
..
. .
(Q) ) and frequency (3 kHz, 3.15
'
.
,-
• • • ••
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