equipment meeting the fol
lowing specifications and condi
tions will be acceptable.
1. External power plug: Plugs used for transistor radios and taperecorders are acceptable.
2. External power conditions: Voltage - DC 9 Volt; Current - 5 Ampere.
3. Cable conditions: The cable from the external power to the SQ-Am should be as short and thick as possible, or -
Less than 2 meter length with cable of 0.3
sq.mm
area, or
Less than 5 meter length with cable of 0.75
sq.mm
area.
* Do not mistake the polarity (+ and -) marks, when using the plug.
* An optional External Battery Pack S (six UM-2 or C-type batteries) is also available as an external power source for continuous
shooting sessions.
271
Interchanging Focusing Screens
A. The focusing screen can be exchanged, depending on the type of photographic work being undertaken.
First, remove the finder attached to the camera main body. Then, move the screen removal levers on both sides in the arrow-
indicated directions, as illustrated. Then, using a pincer or similar tool, lift up the screen with the protrusion at the rear end.
B. To install the focusing screen, nest the protrusion at the rear end of the screen in a corresponding groove on the camera main
body. Then, slide both screen removal levers forward to secure the focusing screen.
* Seven types of focusing screens are available.
