Tx Output Power Adjust - Motorola StarTAC 3000 Service Manual

StarTAC 3000
Keypad Button Functions
Below is a description of the non-numeric
keys used during the keypad calibration
procedure:
Toggles display to next location;
*
on last program step, enters new
data into memory and exits
command.
Restores displayed location to
CLR
data originally programmed;
or
useful to erase keypad entry
END
errors.
Terminates command without
#
updating any memory locations.
Adjustment Procedure
Step 1. Connect the test cable to a servicing
analyzer. Enter Manual Test mode.
Depress the # button. The display
should show the ' prompt.
Step 2. Enter 11434# via the keypad to
program the
channel 434.
Step 3. To key the transmitter, enter 05# .

TX Output Power Adjust

NOTE
The 73# command is normally disabled.
Adjustment of Transmit Output Power is
not recommended. Consult Motorola for
information about enabling the 73#
Transmit Power Adjustment Procedure.
Step 4. Enter 73# . The portable display will
show step number "00" on the left
and the corresponding hex value
for the TX output power on the
right.
synthesizer for
26
Table 6: Output Power Levels
Output Power Spec
Power Step
(at antenna port)
00
01
02
03
04
05
06
07
08
09
0A
0B
Step 5. Using the ] button to advance
through the power steps. Adjust
each of the power steps listed in
Table 6: "Output Power Levels" for
the values shown as indicated on
the servicing
adjustments as described in step 6
and step 7.
Step 6. Enter a
number via the keypad. This
immediately
power level value, and the output
power should change as indicated
on the analyzer.
If the new entry does not produce
the desired analyzer reading (i.e.
too high or too low):
a. Depress the CLR button and
enter another 2-digit number
OR
b. Use the
incrementally increase the hex
value to obtain the desired
reading on the analyzer. (The
volume control may not be used
to decrease the hex value.).
28 dBm
26 dBm
27 dBm
23.5 dBm
20 dBm
16 dBm
12 dBm
8 dBm
Do not adjust
Do not adjust
Do not adjust
Do not adjust
analyzer. Make
2-digit hexadecimal
updates the hex
VOL button to
6/29/98