SIGMA SD1 - Manual (Page 81)

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USING THE MIRROR LOCK-UP WITH REMOTE CONTROL
When using mirror-up mode with the remote controller, we recommend that
after adjusting the focus, fully depress the shutter button of the camera
once, to lock-up the mirror, and then release the shutter by remote control.
This procedure saves your time.
1
Set the D-dial to “UP” position, and set the remote control mode.
2
Press the shutter button halfway to focus on the subject, and set the desired
exposure. Then press the shutter button “all-way down” to raise the mirror-up and
retain the focus and exposure.
3
To take the picture, point the remote controller’s transmitting diode at the camera
and press the transmit button.
REPLACING THE REMOTE CONTROLLER BATTERY (RS-31)
The remote controller is powered by 1pc CR 2032 3V Lithium -- battery.
1
Use a coin or a similar subject to open the battery cover in the direction of the
arrow.
2
Open the bottom cover and replace the battery.
3
Use a coin or similar object to close the battery cover by rotating clockwise.
z
Check controller operation after replacing the battery.