Sharp XL-3000 Service Manual download pdf (Page 17)

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XL-3000/3000C

4. Electronic volume Test Mode (TEST 3)

When this test mode is obtained, the following display lights for one second.

In this mode, volume is -14 dB (STEP28), BASS/TREBLE is set to 0 (0 dB) and SURROUND mode to OFF, and start-up function

to CD, respectively. The button operations in the test mode are the same as those of ordinary operation except volume UP/

DOWN.

(1) The display is the same as that of ordinary operation except test mode setting.

(2) Unlike the ordinary state, the volume is controlled with the volume UP/DOWN button in accordance with the following three

steps.

Volume- ∞ (STEP 0) <-> Volume-14 dB (STEP 23) <-> Volume-0 (STEP 30)

(3) BASS/TREBLE and SURROUND are switched when button is pressed..

Set the current time and timer time according to the following procedure to reproduce the timer.

1.Set the current time to 1:00, the timer to ON time 1:05, the function to CD, and volume to STEP 12, respectively. One minute

is counted as one second, and the timer is reproduced. The fade-in (when playback is started) is executed at a rate of one

step for 1 sec. After completion of fade-in, the fade-out is executed at a rate of one step for 1 sec (WAIT 1 sec inserted).

After completion of fade-out, the power is turned off (after WAIT 1 sec), and the mode is shifted to the standby.

The display during operation is the same as that of ordinary timer operation.

5. Timer test Mode (TEST 4)

When this test mode is obtained, the following display lights for one second.

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 63 64

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Sharp XL-3000 Service Manual Page 17