I.R.I.S. 808 Digital Video Recorder - Manual (Page 21)

2.6 Remote Controller
The remote controller is an optional accessory to ease the user’s operations. You can
do all the operations by the remote controller instead of the buttons on the front panel.
Besides, the user needs to use remote controller to do some advanced operations. The
effective distance is about 10 meters without any obstacle.
or
Most of the buttons corresponds to one of those buttons on the front panel. Please
refer to the descriptions in
Section 2.1. For the other buttons, the descriptions are as
below:
1. Alpha-numeric Buttons (1-9, 0, *, #)
Press these buttons for camera selection in most of the circumstances.
These buttons can also be used to enter text and number in the way
similar to most of the mobile phones.
2. SEQ Button
Press this button to switch to or return from SEQ display mode in main
screen display. In some dialogs, this button is used as a miscellaneous
function key.
3. CALL Button
Press this button to switch to or return from full screen display of the focus
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