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IPF-2600 User’s Manual/
29
Volume Setting
Item Description
Handset Volume
Adjust handset volume.
Speaker Volume
Adjust Speaker volume.
Ringer Volume
Adjust Ringer volume
PSTN-Out Volume
Adjust volume for using PSTN lines
Handset Gain
Adjust handset gain (suggested not to exceed 13)
Speaker Gain
Adjust Speaker Gain.
PSTN-In Gain
Adjust the gain for using PSTN lines.