XL-560E (serv.man2) - Sharp Audio Service Manual (repair manual). Page 18

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B) Cautions concerning the ASPM test mode
a) Cancel: When the "ASPM" button is pressed again during operation after it was first pressed in the test mode, the ASPM

test mode is canceled (interrupted), and the initial state FM 106.50 MHz (ST) indication is restored.

     (To check the data which was preset and stored until interruption, use the preset UP/DOWN button. (JOG UP/DOWN is

also available after JOG mode button operation.)

    wing indication appears.

b) The ASPM test mode is started in FM stereo state (FM 106.50 MHz ST). If any button other than ASPM button is pressed

even only once after it is started, it becomes invalid, and the ASPM test mode becomes inoperable.

     Invalid: The Ordinary mode is set while 4 to 30CH data remain in memory (or 1 to 30 CH MAX data remain in memory).

The "ASPM" button can be repeatedly operated until 01CH to 03CH is filled (up to 3 stations in memory).
The number of stored stations -> Channel No. -> Frequency -> FM 106.50 MHz (ST) is indicated.
                     (1 second)                 (1 second)       (1 second)     (Initial state)

c) Broadcast (without PI code) which is not RDS is not preset and stored in memory.
    When the ASPM mode is set, the "MEMORY/SET" button cannot be operated (the test mode is canceled).
    Operation is possible after ASPM test mode operation.

d) Scan frequency: 105.00 MHz -> 108.00 MHz
     Data are stored in memory so that the PI code is not duplicated (by seeing the PI code and VSM (S meter value).  When

the PI code is duplicated, both VSM (S meter value) are compared. The greater one is stored in memory but the smaller
one is discarded.

    For the stations having the same PI code, only one station having the highest electric field intensity is stored, and the

memory is refilled. The channels which can be preset in the ASPM test mode are 01 to 03CH. If 3 stations are stored, 30
CH are filled.

    For the stations having the same electric field intensity, the former (preceding station) is stored.

e) Signal of already stored same frequency is not stored. (The previously stored data is kept.)

f) The order of preset memory is 01CH -> 02CH -> 03CH.

g) When 01 to 03CH were all used, scan is aborted at the frequency at which filling occurred, and the following indication

appears.

Number of stored stations -> Indication of stored channel -> Indication of frequency -> Return to initial FM 106.50 MHz (ST)
              (1 second)                         (1 second)                             (1 second)

h) If even one station could not be preset and stored in the APMS mode, "_0MEMORY" is indicated after scanning, and then

FM 106.50 MHz (ST) indication is restored. (The first digit is space.)

("_0MEMORY" is indicated in the test mode.)

i) When the "ASPM" button is pressed after three stations are stored (after full-memory of 30 stations), "ASPM" blinks for 2

seconds, and then FM 106.50 MHz (ST) indication is restored without ASPM scanning. (RDS automatic lighting)

(In case of ASPM button operation in full memory state)

j) After completion of specific operation FM 106.50 MHz (ST) indication is restored.

k) Test mode
Use of only the function button is inhibited.

l) The first channel to be called (when data is stored in the ASPM mode) is 01CH.

m) After start-up in the ASPM test mode the ASPM key is valid even when it is pressed many times. The test mode is kept.
    If three stations are stored (1 to 3CH), full-memory state occurs.
    If the ASPM button is pressed after occurrence of full-memory state, the same operation as that described in item i) is

performed.

Up to 3 stations (1 to 3CH) can be indicated. This indication is
given only in the ASPM test mode. In other mode (not in ASPM
test mode) the number of stored stations -> END is indicated

In this period up to 3 stations are continuously indicated (1 to 3 CH).