Panasonic KX-T336 System Reference Manual page 423

2.02 Controls
Various controls are provided for each type of PITS telephones as shown below.
Controls
MEMORY Switch SET: Normal operation
PROGRAM: Local station programming
RINGER Volume HIGH/LOW: Sets the desired ringer volume
Selector OFF: The telephone does not ring
HANDSET VOLUME NORMAL/HIGH: Determines the desired
Selector
VOLUME Control A sliding lever used to control the speaker
volume
CONTRAST Selector Set to "LOW," "MID" or "HIGH" to choose
the best display intensity
HANDSET/HEADSET HANDSET: Normal operation
Selector HEADSET: When using an optional
POWER FAILURE OFF: Normal operation
Switch ON: When power failure occurs
DIALING MODE This is used to set the dialing mode during
Selector power failure.
TONE: Sets tone dialing mode
PULSE: Sets pulse dialing mode
Usage
(See Sections 11 and 12)
handset volume
headset, KX-T30890
(See Section 14-H-1.00)
4-A-15
Type Type 7020/
20/50 30 7050
: provided
: not provided
7030/
7130