Cobra FM 405 - GAIN ADJUSTMENT; TECHNICAL FEATURES; WARNING

Mod. FM 405 Manuale d’uso
© Cobra SpA 2004-2007 Rev. 0707
7
GAIN ADJUSTMENT
FM 405 antenna gain can be adjusted as follows:
 in order to increase the gain, turn GAIN knob clockwise (+): the red
led indicators light up according to gain level;
 in order to reduce the gain, turn GAIN knob anti-clockwise (-): the
red led indicators switch off according to gain level (note: when gain
is zero, the green led only is on).
TECHNICAL FEATURES
Gain max. 19 dB (adjustable)
Working frequency 88 ÷ 108 MHz
Led indicator 1 green led + 5 red led
Noise figure 3 dB
Power supply 230V AC - 50 Hz
Size cm. 42 (height) x 5 (width) x 11 (depth)
Weight g. 300
Italian design Walter ‘Capp
WARNING
- Before connecting the antenna to any wall socket, make sure that the current
corresponds to what is shown on the apparatus.
- If you do not use the antenna for a long time, disconnect it from AC wall socket.
- Do not expose the antenna to rain and humidity or any contact with water.
- Do not expose the antenna to direct sunlight, do not place the antenna next to
heat sources.
- Ensure that the ventilation is not impeded by covering the antenna with items such
as newspapers, table-cloths, curtains, etc.
- Keep the product away from children.