User Manual

17
5. Press
F
to dekey th e radio.
6. Press
H
to program th e value.
7. Repeat steps 3-6 for th e rem ain in g frequen cies.
8. Press
J
on ce to return to th e TRANSMITTER ALIGNMENT MENU, or
press
J
twice to return to th e SERVICE MENU.
Transmit
Deviat ion
Balance
(Compensat ion)
Alignment
Com pen sation align m en t balan ces th e m odulation sen sitivity of th e VCO an d
referen ce m odulation (syn th esizer low-frequen cy port) lin es. Th e
com pen sation algorith m is critical to th e operation of sign allin g sch em es th at
h ave very-low-frequen cy com pon en ts (for exam ple, DPL) an d could result in
distorted waveform s if im properly adjusted.
1. From th e SERVICE MENU, press
B
to select th e TRANSMITTER
ALIGNMENT MENU.
2. Press
D
to select th e TRANSMIT DEVIATION BALANCE
(COMPENSATION) align m en t screen . Th e screen will in dicate th e
tran sm it frequen cies to be used. See Figure 6.
Figure 6 Transm it Deviation Balance (Com pensation) Alignm ent Screen
3. Press
P
(or
Z
or [RETURN]) to select a frequen cy field (startin g with
th e lowest frequen cy sh own ).
4. Press
D
. Th is will cause th e radio to key an d th e radio’s DSP IC to in ject
an 80Hz ton e in to th e RF board.
5. Measure th e deviation an d record th is value.
6. Press
D
to dekey th e radio.
Table 10 Transm it Power Setting
8 0 0 MH z P o w e r Le v el Al l Te st Fre q u e n c ie s
3 Watts 3.2 - 3.4
MOTOROLA Radio Service Software Use UP/DOWN Arrows To Adjust Softpot.
ASTRO Model: H09UCH9PW7AN
MAIN:SERVICE:TX ALIGN:BAL ATTN
TRANSMIT DEVIATION BALANCE (COMPENSATION)
-----------------------------------------
Current
Frequency Value New Softpot Value
--------- ------- -----------------
806.000 30 30
815.000 30 30
824.000 30 30
851.000 45 45
860.000 45 45
869.000 45 45
Transmitter..Off
0 63
MIN |---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---| MAX
F1 F2 F3 F4 F5 F6 F7 F8 F9 F10
HELP TOGGLE LOW TOGGLE HIGH PROGRAM EXIT
TONE PTT TONE PTT VALUE