User manual TECHNICS ST-500
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Manual abstract: user guide TECHNICS ST-500
Detailed instructions for use are in the User's Guide.
[. . . ] IS OF NO LESSER QUALITY THAN YOUR EXISTING AM MONO TUNER/RECEIVER
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Suggestions for Safety
· Use a standard electrical AC wall outlet
1. Use from an AC power source of high voltage, such as for air condItIoners, Is very dangerous. Be extremely careful not to make a connection to the elec trical outlet lor a large air conditioner or central-heating unit which uses high voltage, because there is the possibility ol lire. Be sure 10 check Ihe power source carelully, especially on a ship or other place where DC is used.
· If water is spilled on the unit
Be exlremely careful il water is spilled on Ihe unit, because a lire or serious electric shock might occur. [. . . ] MW: Press Ih is bulton 10 listen 10 an MW broadcast allocation: This button is also used 10 select a frequency
step ol either 9 kHz or 10 kHz.
When the MW button is pressed lor about 4
seconds, the MW Irequency step will change to
10 kHz per step.
(This step is set to 9 kHz belore shipment. )
Set to the appropriate position lor your locality.
In order to return to the original frequency indica
tion, press this button lor about 4 seconds again.
Memory indicator (memo)
This indicator illuminates when the memory bulton is pressed.
FM stereo indicator (stereo)
This indicator automatically illuminates wh en an FM stereo broadcast is being received.
LW:
Press this button 10 listen 10 an LW broadcast. freq shift: When Ihe LW bullon is pressed for aboul 2
seconds during reception ol an LW broadcast,
the LW Irequency will decrease by 2 kHz.
So, for example, 10 receive 153 kHz, lune 10 155
kHz, and then press this button.
In order to return 10 the original Irequency indica
tion, press this button lor about 2 seconds again.
Note: It will not illuminate il the FM mode selector is set to the monaural mode.
Digital frequency display
The recept ion Irequency of the FM or AM broadcast selected by using the tuning buttons or the preset-tun ing buttons is indicated by a digital-type display.
ST·500
Channel display - - - - - - - ' "
The channel number selected by the preseI tuning buttons is displayed. These buttons are used lor tuning to the desired broadcast station.
Quartz·lock indicator (quartz loek)
This indicator illuminates when tuned precisely to an FM or AM station.
Memory button (memory) - - - - - "
This button is used when preset memory setting ol the preset-tuning buttons is made.
Signal-strength indicators (signal) _----'
These indicators show the relative strength of broadcast signals being received by the anten na. The best condi tion lor reception, lor FM and AM, is when the indicators illuminate completely to the top.
FM mode selector (FM mode)--. . ;/
This unit automatically switches into the stereo mode wh en a stereo broadcast is received. The stereo indicator will not illuminate in the monaural mode.
Preset-tuning buttons (1 - 16) (16 channel random preset tuning)
These bultons are used to preset FM and AM broadcast Irequencies into the memory ol this unit, and are also pressed to select the desired preset Irequencies. Note: Reler 10 pages 6 and 7 for inlormation concerning preset memory.
5
Memory Presettings
Importantl-----------------
II this anten na is not installed, AM broadcasts will not be received,
AM lOOp antenna
The indication AM used here includes both MW and LW for Model ST·500l.
With th is unit you may preset as many as 16 radio broadcast sta tions: FM/AM random presetting, After broadcast stations have been preset as described below, any desired station can be quick Iy and easily selected by simply touching one button
Notes: 1. For automatic presetting in areas where there are Iess than 16 FM stations, the remaining channels (through channel 16) wil!2 II a new broadcasting station is preset into a channel, the broadcasting station which was previously entered in that channel will be automatically erased, 3. When the frequency indication begins to change, release.
The frequency will change upward, and the automatic presetting wil!begin with Ihe next broadcasling station,
It will continue 10 preset consecutive broadcast stations.
(J. g,
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· "Most·recent" memory
The most-recent memory is a system by which the unit "remembers" the FM or AM broadcast station last heard when th is unit is turned olf, and automatically tunes to that station the next time the power is turned on.
· To prevent erasing the memory
1I the power supply is interrupted lor one week or longer, the memory settings will be erased. For example: 1) If the power cord is disconnected from the electric outie!, 2) If an audio timer is used and the timer does not operate the tuner for a week or longer, 3) If a power failure occurs, etc .
If any of the above occurs, the memory will have to be reset. If the power supply is interrupted for a week or longer, set the power switch of the tuner to the "on" position for thirty minutes or more in order to recharge the gold capacitor. [. . . ] Some simple checks or
a minor adjuslment on your part may eliminate Ihe problem and resto re proper operation.
11 you are in doubt about some ol the check points, or il Ihe remedies indicated in Ihe chart do not solve Ihe problem, reler to the directory ol
Authorized service centers (enclosed with th is unit) to locate a convenient service cenIer, or consult your Technics dealer for instructions.
Probable cause(s)
Suggested remedy
Nearby building or moun n. (Mulli-path distortion is being caused by the mutual interference of broadcast signals received directly from the transmitting station (direct waves) and signals being reflected Irom nearby buildings or mountains (reflected ning buttons ol th is unit have not
· Try reducing the treble sound by turning Ihe treble lone con trol ol the amplilier. [. . . ]
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