Motorola SABER I User Manual page 31

2.
PowerLevel
Four
dilferent power
levels can be
adjusted in
the SABER radio
-
the !ow,
medium,
high, and
specialpower levels. (Each channe! in the
radio
can have
unique power level assQnments
made on
the Radio Channel lnlormation screen described in
Sectaon
Vlll-C. ) Note that the
standard low and
hBh power settings for
UHF
are 2.0W to 5.0W
respectively, and
for
VHF
the power
settings are 2.5W
to 6.0W respectively. Even though these are the standard
settings, you
can set
the power levels to any value
up
to the maxirnum setting allowed. Note
that you can set both the low and high power
levels
lo
the same value if you wish, which
allows both settings
to have either a
low power
Setting,
a high power setting, or any power
levelupto
the
maximum level allowed.
Use
the ENTER key
to
selest
the power setting
you wish to adiust: LOW MEDIUM,
HIGH,
or
SPECIAL.
Orrce
you.have sebaed
the
appropriate
power
letel, (the
selected power
level
settarp
willbe
hBhlightect
in inverse
video),lollow the procedure given below. When aligning
the Power Level,
you can check the power outprjt dudng the alignment process or
in
"real
time.'
You do
not have lo reprogram the radio to see the
immediate power change.
(a)
Fotlow
the Setup Procedure in Section
Vl-A,
Fig. 8.
(b)
Before aligning
the power level, select the proper TOGGLE POWER
BIAS
with
the
F7
function key according to the
table
below:
Select Power Bias High:
>
2
W
for High power radios
Selec{ Power Bias Low:
< 2
W.lor
High power radios
OR
>
1
W lor Low power
radios
<
1
W.lor Low power radios
(c)
choose a channel
with
a
frequency
as close
to
the center of
the
band as
possible.
or
the
center
lrequency
o,
the radio to be aligned.
Set
the radio to that channel.
(d)
Connect
the RF BNC connector
to an RF power
meter.
(e)
Key upthe radio and measure
the
RF power.
(f)
De-key
the radio and use the arrow keys to adjust the power to the
desired power
setting. The
UP
anow key (or
PGUP) will increase
the power level setting value if the
measured power
is
lower than the desired value while the DOWN
arrow key (or
PGDN)
wil! decrease
the power level value il the meaiured power is higher than the desired
value.
(g)
Re-key the radio and measure
the
output
power.
(h)
Repeat the
procedure until the
power
level is
at
the
desired level.
(i)
Check
power output at the band edges (by going to the channel closest to the band
edges) to ensure
that you
meet
the
power requirements at
those lrequencies.
ll
required,
retum
to the
center lrequency and adjust
the power so that you meet the requiremenl
across the band.
once you
have completed one
ol the
power level sening adjustments, select
the other power
levelsetling
and repeat lhe
above procedure to obtain
the
desired
power
setting.
24
Servicing the Raclio