Sony CDX-GT40U Operating Instructions (CDX-GT40U) - Page 18

Maintenance, Specifications

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Maintenance Replacing the lithium battery of the remote commander When the battery becomes weak, the range of the remote commander becomes shorter. Replace the battery with a new CR2025 lithium battery. Use of any other battery may present a risk of fire or explosion. + side up 2c 1 Notes on the lithium battery • Keep the lithium battery out of the reach of children. Should the battery be swallowed, immediately consult a doctor. • Wipe the battery with a dry cloth to assure a good contact. • Be sure to observe the correct polarity when installing the battery. • Do not hold the battery with metallic tweezers, otherwise a short-circuit may occur. WARNING Battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire. Cleaning the connectors The unit may not function properly if the connectors between the unit and the front panel are not clean. In order to prevent this, detach the front panel (page 4) and clean the connectors with a cotton swab. Do not apply too much force. Otherwise, the connectors may be damaged. 18 Notes • For safety, turn off the ignition before cleaning the connectors, and remove the key from the ignition switch. • Never touch the connectors directly with your fingers or with any metal device. Specifications AUDIO POWER SPECIFICATIONS CEA2006 Standard Power Output: 17 Watts RMS 4 at 4 Ohms < 1% THD+N SN Ratio: 80 dBA (reference: 1 Watt into 4 Ohms) Tuner section FM Tuning range: 87.5 - 107.9 MHz Antenna (aerial) terminal: External antenna (aerial) connector Intermediate frequency: 25 kHz Usable sensitivity: 8 dBf Selectivity: 75 dB at 400 kHz Signal-to-noise ratio: 80 dB (stereo) Separation: 50 dB at 1 kHz Frequency response: 20 - 15,000 Hz AM Tuning range: 530 - 1,710 kHz Antenna (aerial) terminal: External antenna (aerial) connector Intermediate frequency: 9,115 kHz or 9,125 kHz/5 kHz Sensitivity: 26 μV CD Player section Signal-to-noise ratio: 120 dB Frequency response: 10 - 20,000 Hz Wow and flutter: Below measurable limit USB Player section Interface: USB (Full-speed) Maximum current: 1 A Power amplifier section Output: Speaker outputs Speaker impedance: 4 - 8 ohms Maximum power output: 52 W × 4 (at 4 ohms)

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18
Maintenance
Replacing the lithium battery of the
remote commander
When the battery becomes weak, the range
of the remote commander becomes shorter.
Replace the battery with a new CR2025
lithium battery. Use of any other battery
may present a risk of fire or explosion.
Notes on the lithium battery
•
Keep the lithium battery out of the reach of
children. Should the battery be swallowed,
immediately consult a doctor.
•
Wipe the battery with a dry cloth to assure a
good contact.
• Be sure to observe the correct polarity when
installing the battery.
•
Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
Cleaning the connectors
The unit may not function properly if the
connectors between the unit and the front
panel are not clean. In order to prevent this,
detach the front panel (page 4) and clean the
connectors with a cotton swab. Do not apply
too much force. Otherwise, the connectors
may be damaged.
Notes
•
For safety, turn off the ignition before cleaning
the connectors, and remove the key from the
ignition switch.
•
Never touch the connectors directly with your
fingers or with any metal device.
Specifications
Tuner section
FM
Tuning range:
87.5 – 107.9 MHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
25 kHz
Usable sensitivity:
8 dBf
Selectivity:
75 dB at 400 kHz
Signal-to-noise ratio:
80 dB (stereo)
Separation:
50 dB at 1 kHz
Frequency response:
20 – 15,000 Hz
AM
Tuning range:
530 – 1,710 kHz
Antenna (aerial) terminal:
External antenna (aerial) connector
Intermediate frequency:
9,115 kHz or 9,125 kHz/5 kHz
Sensitivity:
26 μV
CD Player section
Signal-to-noise ratio:
120 dB
Frequency response:
10 – 20,000 Hz
Wow and flutter:
Below measurable limit
USB Player section
Interface:
USB (Full-speed)
Maximum current:
1 A
Power amplifier section
Output:
Speaker outputs
Speaker impedance:
4 – 8 ohms
Maximum power output:
52 W
×
4 (at 4 ohms)
1
2
c
+ side up
WARNING
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose
of in fire.
CEA2006 Standard
Power Output: 17 Watts RMS
4 at
4 Ohms < 1% THD+N
SN Ratio: 80 dBA
(reference: 1 Watt into 4 Ohms)
AUDIO POWER SPECIFICATIONS