Anrtisu Cell Master MT8212B, Руководство пользователя, Страница: 187 / 294

NOTE: If the loss is not known, Option 21, Transmission Measurement, or the
Offset Calibration can be used to measure the loss of the system.
Displaying Power in dBm and Watts
Step 8. Press the
Units
soft key to display power in Watts.
Displaying Relative Power
Step 9. With the desired base power level input to the Cell Master, press the
REL
soft
key. The message area will show
Relative: On
and the power reading will indi-
cate 100%.
If measuring a 10 dBm signal with
Rel
selected and the power level drops to 7
dBm, the Relative setting will show -3 dB or 50%, depending on the units set-
ting selected.
Step 10. Press the
Units
soft key to display power in dBm. Since Relative is ON, the
power reading will be in dBr, relative to the base power level.
7-2
Chapter 7 Power Monitor
CELL MASTER
SYNTHESIZER
RF DETECTOR
HOLD
RUN
START
CAL AUTO
SCALE
SAVE
SETUP
RECALL
SETUP
LIMIT MARKER
SAVE
DISPLAY RECALL
DISPLAY
PRINT
MODE FREQ/DIST
AMPLITUDE SWEEP
SYS
ENTER
CLEAR
ESCAPE
ON
OFF
/
1 2
4
5 6
7 8
9 0
3
+
-
.
Site Master S820C
M o d u l a t i o n
L i n e O p e r a t e
S t a n d b y
L e v e l
F r e q u e n c y
S y s t e m
O u t p u t
O n O f f
R F O u t p u t
5 0 9
C l e a r
E n t r y
B a c k
S p a c e
7 8 9
4 5 6
1 2 3
0
.
+ / -
RF
DET
PORT
(Option 5)
Figure 7-1. MT8212B Cell Master Power Monitor Setup