ID    KEY
 0 = no key
 1 = 0
 2 = 1
 ...
 9 = 8
 A = 9
 B = Menu (blue)
 C = up
 D = down
 E = Cancel (red)
 F = *
10 = #
12 = flashlight
13 = PTT-A (large)
1A = PTT-B (small)

IDs are in hexadecimal.