TM 11-6625-3087-12
CONTROL, INDICATOR,
KEY
OR CONNECTOR
FUNCTION
UNIT push buttons
Selects unit of measurement for input signal. Selections are limited to dBm,
6
dBpw, and dB.775V. OdBm reference level is one miliwatt dissipated at the
input impedance selected. OdBpw reference level is one picowatt dissipated at
the input impedance selected. OdB.775V reference level is 0.775 volts. Lights
in push buttons indicate selection in use.
Unit of measurement for offset. When on, indicates MEASUREMENT/ENTRY
dBr indicator
7
is displaying offset.
When on, indicates
o
p-p indicator
U n i t of measurement for phase jitter.
8
MEASUREMENT/ENTRY is displaying phase jitter in degrees peak to peak.
For use with phase jitter measurements only.
When on,
indicates
U n i t of measurement for all modes.
dBm indicator
9
MEASUREMENT/ENTRY is displaying in dBm. Works with dBm push
button.
When on,
indicates
U n i t of measurement for all modes.
10
dBpW indicator
MEASUREMENT/ENTRY is displaying in dBpW. Works with dBpW push
button.
Indicates value in MEASUREMENT/ENTRY display is offset. Works with
11
O indicator
OFFSET push button.
When on,
indicates
12
dB indicator
U n i t of measurement for all modes.
MEASUREMENT/ENTRY is displaying in dB. Works with dB.775V push
button.
Subtracts stored offset from input signal power level. Zero is subtracted if no
OFFSET push button
13
value is stored in offset. MEASUREMENT/ENTRY displays result. When in
use, O indicator opposite unit of measure indicator lights and push button lights.
Push for on and push again for off.
value.
Indicates Level Meter is ready to store an offset
OFFSET indicator
14
MEASUREMENT/ENTRY displays value. Lights when offset is used.
value.
I n d i c a t e s Level Meter is ready to store a threshold
THSHLD indicator
15
MEASUREMENT/ENTRY displays value. Lights when threshold is used.
2-3
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