Yealink W78H User Manual page 20

No. Item
13
14
15 Security Slot
16 Micro USB Port
17 Micro SD Slot
Description
Scrolls through the displayed information upwards.
• Scrolls through the displayed information downwards.
• Views the Directory list when the phone is idle.
Allows you to connect a universal security cable to your phone so you
can lock down your phone. The phone will not be removed after locked.
Allows you to connect a PC and turn your phone into an external
speaker and microphone for your PC.
Allows you to connect an SD card to record calls and play recordings on
the phone.
| Getting Started | 20