POWER ON-OFF

g. The difference of the readings in steps c and f

f. Rotate Turntable to original position and read

should be 180 degrees 1 minute.

level.

g. If level shows error, repeat above steps until

h. If the results of step g are out of tolerance,

parallel alignment of levels is precise.

return Monitor to depot for repair.

h. Repeat steps c through g for other level.

i. Lock upper and lower motions.

a. Set up equipment according to instructions in

paragraph 4-40 except for the following: Connect

transmitter cable between TRANS connector 1J2 on

CEDURE.

Console and Monitor.

a. Set up Monitor for normal operation.

b. Since sensitive element in Monitor is not pendu-

lous, tapping instrument before each reading is not

b. Loosen upper motion and sight through telescope

necessary.

on any distant target. Lock upper motion.

c. Set switches and controls of Console as follows:

c. Read and record bearing on A index of Monitor

MODE SELECTOR to CAL.

azimuth scale.

HEADING SELECTOR to 0 DEGREES.

E 1 NORM. -REV. to OFF.

d. Rotate telescope 180 degrees in vertical plane

E2 NORM. -REV. to OFF.

∆180, ∆270,and MISAL controls to 0 MINUTES.

(telescope level now on top of telescope).

FV SELECT to 2.

READOUT SELECT to FV.

e. Loosen lower motion. Rotate Monitor 180 degrees

and sight on same target. Lock lower motion.

d. Rotate Monitor to obtain 0 DEGREES 15 MIN-

UTES on angle indicator readout. Set azimuth scale

f. Read and record bearing on A index of Monitor

to 0. Record readout ERROR.

azimuth scale.

7-10B