Logitech R400 Wireless Presenter
--------------------------------

Using xev I observed the following events.

(1) ">" button:

KeyPress event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004398300, (42,31), root:(1022,86),
    state 0x0, keycode 117 (keysym 0xff56, Next), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004398516, (42,31), root:(1022,86),
    state 0x0, keycode 117 (keysym 0xff56, Next), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

(2) "<" button:

KeyPress event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004399796, (42,31), root:(1022,86),
    state 0x0, keycode 112 (keysym 0xff55, Prior), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004399980, (42,31), root:(1022,86),
    state 0x0, keycode 112 (keysym 0xff55, Prior), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

(3) "Play" button:

KeyPress event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004405461, (42,31), root:(1022,86),
    state 0x0, keycode 71 (keysym 0xffc2, F5), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004405637, (42,31), root:(1022,86),
    state 0x0, keycode 71 (keysym 0xffc2, F5), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

(4) "Blank screen" button:

KeyPress event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004408253, (42,31), root:(1022,86),
    state 0x0, keycode 60 (keysym 0x2e, period), same_screen YES,
    XLookupString gives 1 bytes: (2e) "."
    XmbLookupString gives 1 bytes: (2e) "."
    XFilterEvent returns: False

KeyRelease event, serial 32, synthetic NO, window 0x1400001,
    root 0xb2, subw 0x1400002, time 1004408429, (42,31), root:(1022,86),
    state 0x0, keycode 60 (keysym 0x2e, period), same_screen YES,
    XLookupString gives 1 bytes: (2e) "."
    XFilterEvent returns: False

Going forwards and backwards through HTML slides works as expected.
It doesn't do anything on VTE slides.  We should be able to make the
forwards/backwards buttons work on VTE slides.