Citizen CT915 Instruction Manual download pdf (Page 12)

- Eng 22 - - Eng 23 -

English

■ Method of adjusting display contrast

1. Press and hold the POWER/MEASURE button for 1 second to turn on the power.

2. Press and hold both right (s) and left (t) shift buttons simultaneously for 1 second,

and the display contrast adjustment screen appears.

3. To increase the contrast, press the right (s) shift button. To decrease the contrast,

press the left (t) shift button. The contrast can be adjusted to 5 levels.

4. Press the POWER/MEASURE button twice (once to return to the record display screen,

then press and hold the POWER/MEASURE button a second time to turn the power

off).

■ Setting switching sound

1. Press and hold the POWER/MEASURE button for 1 second to turn on the power.

2. Press and hold both right (s) and left (t) shift buttons simultaneously for 1 second,

and the display contrast adjustment screen appears.

3. Press the SET button, and the trumpet mark is displayed.

4. Press the right (s) or left (t) shift button to display the ON (or OFF) mark of the

switching sound. If you do not need the switching sound, select the OFF mark.

5. Press the POWER/MEASURE button twice (once to return to the record display screen,

then press and hold the POWWER/MEASURE button a second time to turn the power

off).

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Citizen CT915 Instruction Manual Page 12