Figure 19 Spectra Control Head Self-Test - Motorola Spectra Service Manual

After the password is successfully entered, the radio
enters the control head test mode and sends a special
test sequence to the the control head. This mode can
also be entered via the IBM field programmer. The
menu is located at function key F8 under the SERVICE
AID: TEST MODE menu.
When the control head sees the test mode com-
mand, it responds by displaying the control head
software version number on the display as "VXX XX" for
two seconds. Afterward, the self test proceeds through
a 15-1/2 second self-check as shown in Figure 19 for
Spectra control heads and Figure 20 for Spectra 9000
control heads.
When the display gets to "KEY TEST", you may ver-
ify key/switch operation. With each press of a properly
functioning button, or with each closing of a properly
functioning accessory switch, the display shows the
interpreted key number. Figure 21 shows the control
head and the key number that should display for each
key for the Spectra control head; Figure 22 shows the
control head, accessories and key number that should
display for each key for the Spectra 9000 control head.
50
be activated (toggled). The hang-up button (HUB) will
cause VIP OUT 2 to be toggled, and changing the VIP
IN 3 will cause VIP OUT 3 to be toggled. Refer to the
radio and control head schematics for the location of
these lines.
diagnostic mode and return to the "CH TEST" display; or
switch the radio power off temporarily to exit diagnostics
and return to normal radio operation.
INSERT GXW-4318-O
PICKUP FROM PG. 46
Figure 19. Spectra Control Head Self-Test
NOTE
Both PTT and MODE cause "KEY 01" to display;
however, proper operation of these controls will be
verified through normal radio operation. Both Mode
and VOL buttons display their same respective key
numbers whether pressed in the up or down direc-
tion. However, verify both directions as though each
direction were an individual switch.
Pressing PTT will also cause the VIP OUT 1 line to
Press HOME five times in succession to exit the