Karel LT48 Guía De Operación página 6

4. Numeric Keypad
The 3x4 Numeric Keypad consists of 10 numeric
keys, an # (for Hook Flash) and a (for Hang
Up) keys. All these keys generate DTMF tones.
5. Handsfree Key
Available only on the Handsfree Feature Phones,
this key activates and deactivates the handsfree
mode. In handsfree mode, the telephone may be
used without lifting the handset.
6. Handsfree Volume Adjuster
Available only on the Handsfree Feature Phones, it
adjusts the received voice level in handsfree mode.
7. Handsfree LED
Available only on the Handsfree Feature Phones, it
is illuminated during handsfree operation.
8. Ring Level Adjuster
Switches between High and Low ringing volume
levels.
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