Canon 577 G - Manual (Page 43)

main switch is turned off.
Test Firing: By pressing pilot lamp after It glows.
Auto Check: By check lamp which will glow after test or
actual firing to show that flash is close enough to sub­
ject.
AUTO/MANU switch: for manual operation. Proper
f/stop must be determined by using guide number for­
mula and synchronization speed must be manually set.
Slow Sync (New F-1 and A-1 only): The use of shut­
ter speeds between 1/60 sec. and 8 sec. for the
New F-1 or 1/30 sec. and 30 secs, for the A-1 is
possible by setting the slow sync AUTO/MANU
switch to the MANU. position.
Bounce Flash: Maximum upward tilt of 120° with
detents at 0°, 60°, 75°, 90°, and 120°. Bounce angle
is displayed. 120° shift to both left and right with
detents at 0°, 60°, 75°, 90°, 105° and 120°.
Contacts: Synchro terminal, sensor unit connecting
socket, external power source connecting socket.
Power Source: External using Canon Transistor Pack G
which takes six C-size alkaline-manganese batteries
or rechargeable Ni-Cd Pack TP.
Size and Weight: Grip diameter 44mm (1-1/4 inch).
99
X
107
X
245mm, 600g
2-7/8
X
4-1 /4
X
9-5/8 inch., 21-3/16 ozs.