Direct shortcuts to sections (1 Viewer)

[Wonderm00n]

TV-Server Version:
MediaPortal Version: 0.2.3.0 RC2
MediaPortal Skin: Blue Two Wide
Windows Version: Win XP Pro SP2 + All updates
CPU Type: Intel P4 3.0 SKT478
HDD: 80Gb IDE + 120Gb SATA
Memory: 2048Mb DDR400
Motherboard: Asus P4-P800-E Deluxe
Motherboard Chipset: Intel
Motherboard Bios:
Video Card: NVIDIA GeForce 7300GT 512Mb
Video Card Driver: 6.14.11.6218
Sound Card: Realtek onBoard
Sound Card AC3: optical out
Sound Card Driver: 5.10.0.5440
1. TV Card: Hauppauge Win-TV-PVR-500
1. TV Card Type: Analog
1. TV Card Driver: 2.0.48.25037
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: MPV Decoder Filter
MPEG2 Audio Codec: MPA Decoder Filter
Satelite/CableTV Provider: TV Cabo Portugal (Analog cable)
HTPC Case: 3RSYSTEM MSTATION HT-1100
Cooling:
Power Supply: Eurotech 400Wt
Remote: iMON PAD
TV: LCD 37'' LG LZ37 RZ55
TV - HTPC Connection: Sub-D

Maybe I'm just blind... Because I'm quite confident this shortcuts exist...

What are the direct (keyboard) shortcuts to jump from section to section in Media Portal (TV, Pictures, Movies, DVD, ...)?