3-4. Initial Checking and Adjustment
Monitor Input SM-627/AYM-9 to the next higher category
of Equipment Before placing Test Set, Control Monitor-
e. Set Simulator,
Monitor Input SM27/AYM-9 ON-OFF switch to OFF.
Recording Head AN/AYM-9 in operation, perform a go,
f. Disconnect cables CX-12723/AYM-9 and CX-
no-go check to verify that the equipment is operable.
Connect the equipment as shown in figure 3-3 and per-
3-7. Control-Monitor C-8338/AYA-10
complish this check.
Test Procedures With the SM-627/AYM-9 prepared for
3-5. Preliminary Starting Procedure
use as de- scribed in paragraph 3-3, test the C-338/AYA-
10 as follows:
a. On the SM?27/AYM-9, set switches to positions
With Test Set, Control Monitor-Recording Head
specified in paragraph 3-5.
AN/AYM-9 prepared for use as described in paragraph
b. On the C-8338/AYA-10, set the switches and con-
34, set Simulator, Monitor Input SM-627 AYM-9 switches
trols to the following positions
to the following positions:
RESISTOR TEST A
TEST + 5VDC POWER
RHA TEST SELECT
BCD THIMBWHEEL AND
PANEL SWITCH TEST
AND PANEL SWITCH TEST
3-6. Operating Procedure
c. Connect the equipment as shown in figure 34.
(fig. 3-1) The following instructions provide for
d. On the SM-627/AYM-9, set the ON-OFF switch
energizing Simulator, Monitor Input SM627/AYM- and
to the ON position.
per- forming a preoperational check of the equipment. If
e. Set the RHA MODC switch to CONTINUOUS.
during performance of steps a through d any of the
f. On the C-8338/AYA-10, the cathode ray tube shall
specified indicator lamps fail to light, refer to chapter 4
display a rotating circle of dots near the circumference
for troubleshooting procedures.
a. Set Simulator, Monitor Input SM627/AYM-9 ON-
of the phosphor (fig. 3-5). Adjust the INTENSITY
control as required.
OFF switch to ON. The following indicator lamps shall
g. On the SM?27/AYM-9, set the RHA TEST SE-
light: -522VDC, +500VDC, -80VDC, 115VDC, 6.3VAC,
LECT switch to KA76.
115VAC, GO, and + 5V.
h. On the C-8338/AYA-1O, the cathode ray tube
b. Press the BCD+3--PRESS TO TEST push- button
shall display a rotating circle of dots around the center of
switch. All BCD+3 indicator lamps shall
the phosphor (fig. 3-6).
c. Firmly press the DECIMAL-PRESS TO TEST
i. On the SM-627/AYM-9, set the RHA TEST SE-
LECT switch to PHOSPHOR.
pushbutton switch. All DECIMAL indicator lamps shall
j. On the C-8338/AYA-1O, the cathode ray tube
d. Press the BCD-PRESS TO TEST pushbutton
shall display a raster (fig. 3-7).
k. On the SM-627/AYM-9, set the ON-OFF switch to
switch. The following indicator lamps shall light: BCD,
the OFF position.
BATTERY INDICATOR, SINGLE PULSE INDICATOR,
l. Disconnect cables CX-12720/AYM-
If the FAILURE indicator lamp lights at any time other
than during the above test,
terminate the test procedure and refer Simulator,