Ricoh 7025 Operating Instructions Manual page 181

Note
❒ You can also adjust the On Hook volume when you press the {On Hook Di-
al} key. See "On Hook Dial", Facsimile Reference.
❒ If the Extended Security function prevents you from changing this setting,
contact the administrator.
❒ You can set the volume level to between 0 and 7.
Reference
"On Hook Dial", Facsimile Reference
Adjusting the Volume
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