Remote Control
All of the front panel control functions can also be adjusted by remote control
1. AM/FM: Switches between AM and FM operation
2. MEM: Activates MEMORY to save station preset
3. CH+/CH-: Manually scrolls through stations from available presets
4. TU-/TU+: Tunes station frequency down (-) or up (+)
5. MUTE: Mutes audio output (not available on front panel)
6. INTRO: Scans preset stations
7. ST/MO: Selects STEREO or MONO operation for selected FM station
Additional functions:
1. POWER: Turns power to the unit ON or OFF
2. VFD: Selects different bar graph displays
3. 0-9: Manually enter digits for desired preset
4. 10+: Selects range in multiples of ten, for preset stations greater
than "10"
5. P.CALL: Allows entry of actual station numbers. Select a band
(either AM or FM), then press the P.CALL button. Next, enter the
station number
Antenna Connection
FM Dipole Antenna
The indoor dipole antenna provided should be adequate for normal FM reception.
1. Connect the antenna leads to the two terminals marked 300 Ohms (FM and GND).
2. Position the antenna for the best reception. Tack it to a wall or baseboard if possible.
For reception when the TU-508 is installed in a rack, an external antenna installed in accordance with
National Electric Codes may be required.
FM Coaxial Cable Connector
For applications using coaxial cable, an FM 75-Ohm coaxial cable connector is provided.
AM Loop Antenna
The TU-508 is provided with an external AM antenna for AM reception.
1. Carefully pull the antenna lead from the holding notch in the antenna and unwind the lead from the
loop.
2. Connect the antenna leads to the terminals marked AM LOOP (AM and GND).
3. Snap the antenna into the base to form a free-standing unit.
TU-508
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