Ricoh HL-F1, Field Service Manual

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Adjustment of Handset Volume (Function code 16)
Function
This function is to adjust the handset volume when it is set to Volume Amplify.
(The adjustment is valid only when the Volume Amplify is set, and only "Low
High" can be set.)
Use this function for U.S.A models as it is provided for the U.S.A models only.
Operating Procedure
1. Press the "1" and "6" keys in this order in the initial stage of the maintenance mode.
The "Low High" will appear on the LCD.
2. Press the Start button.
The "Low High 5B" will appear on the LCD.
The above "5B" indicates the setting value. The value varies with setting condition.
3. When press any one of the "1", "3", "4" or "6" key, value will be changed as follows
"1": The value is decreased by 10H.
"3": The value is increased by 10H.
"4": The value is decreased by 1H.
"6": The value is increased by 1H.
When the value is increased, the handset volume is decreased, and vice versa.
The adjustment range is from "00H" to "7FH".
4. Check the handset volume by listening to the actual sound. If the volume is adjusted properly, press
the "Menu/Set" key.
The machine will write the adjusted level onto the ROM.
5. Service Maintenance
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