IBM IBM412 Operation Guide - Page 19
ADJUSTING VOLUME LEVELS, Adjusting Ringer Volume, Adjusting Speakerphone Volume, Adjusting Handset
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UPC - 093016841200
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4. Press [0], [1] for ON or [0], [0] for OFF. 5. Press [MUTE]. 6. A short ring will be heard to signal successful programming. NOTE: The default value is ON for all 4 lines. ADJUSTING VOLUME LEVELS Adjusting Ringer Volume There are 3 levels of volume adjustment (low, middle, and high) for the ringer. 1. Press the [VOLUME] key (beneath the dial keys) up or down when receiving a call or when the phone is idle. NOTE: The default level is the middle level. Adjusting Speakerphone Volume 1. Press the [SPKR] key. 2. Press the [VOLUME] key up or down to the desired volume level. NOTE: The default level is the 12th (out of 16) level. A short ring will be heard when the volume is set at the maximum or minimum level. Adjusting Handset and Headset Volume There are 3 volume levels (low, middle, high). As the handset or headset is in use, adjust the volume by pressing the [VOLUME] key up or down to the desired volume level. NOTE: The default level is the low level. A short ring will be heard when the volume is set at the maximum or minimum level. 19
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