Setup For 636 Graywall Test - Polaroid 636 Repair Manual

NOTE: Be certain the L/D control on the Camera is at the mid-point setting.
DETAILED TEST PROCEDURE
1. Turn the Selector Knob in the
middle of the panel to 640
Flash Exp.
2. Install the camera on the horn
with the taking lens 4.5 ft.
(137 cm) from a graywall target.
(See Figure 7).
3. With the photocell uncovered,
press Sl/S10 to take a flash
exposure.
4. When the flash fires, record
the readout shown on the Stops
Error meter. Compare the read-
ing to the specification.
5. Repeat steps 3 and 4 two more
times to insure accurate
readings.
6. If the reading is not within
specification, refer to the
Adjustment section.
Horn must be located so
camera taking lens is
4.5 feet (135 cm) from
graywall
Model 636 Strobe Exposure (Graywall)
This test measures the resultant energy on the film plane
during a 4.5 ft. (137 cm) graywall exposure.
Fig. 7 Setup for 636 Graywall Test
SUMMARY
1. Selector to 640 Flash Exposure.
2. Camera on horn 4.5 ft. (137 cm)
from graywall.
3. Cell uncovered, press S1/S10
for flash exposure.
4. Record reading on Stops Error
Meter. Compare to spec.
5. Repeat 3 & 4 two more times.
6. If reading out-of-spec, see
Adjustments.
4.5 ft
(135 cm)
98