TM 5-6675-325-14
Table 7-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - Cont
B - Before
W - Weekly
AN - Annually
D - During
(Number) - Hundreds of Hours
M - Monthly
S
A After
- Semiannually
Q - Quarterly
BI
- Biennially
ITEM
NO.
1
lN-
TER.
VAL
B
ITEM TO BE INSPECTED
PROCEDURE
POCKET CALCULATOR - Cont
INSPECT - Cont
2.
3*
4.
With battery pack in calculator, check
operation to be sure calculator turns on.
Remove battery pack and check for clean
contacts.
Wipe clean.
Reinstall bat-
tery pack.
Check power cord for kinks, frays or
burns.
7-6 OPERATION UNDER USUAL CONDITIONS.
Display does
not show -
8, 8, 8, 8,
8, 8, 8, 8,
8, 8.
Battery pack
is defective.
Power cord is
damaged.
7-6.1 Operating Procedure.
a.
Selecting a function.
NOTE
Most keys on the keyboard perform three functions. One function is indi-
cated by symbol on top of key, second is above key, and third is on slan-
ted face of key.
(1) To select a function printed on the key, press the key.
(2) To select a function printed above the key, press key ,then function
key.
Example:
To use LOG in calculation, enter number, then LOG.
(3) To select a function printed on Slanted face of key, press then
function-key.
7-23
