CONNECTIONS
Connecting the antennas RX-V640RDS
Both AM and FM indoor antennas are included with this unit. In general, these antennas should provide sufficient signal strength.
Connect each antenna correctly to the designated terminals.
AM loop antenna | Indoor FM |
(included) | antenna |
| (included) |
■Connecting the AM loop antenna
1 Set up the AM loop antenna, then connect it to the terminals on this unit.
| 2 Press and hold the tab to insert the AM loop | |
| antenna lead wires into the AM ANT and | |
| GND terminals. | |
TUNER |
| |
AM |
| |
ANT |
| |
GND | 3 Orient the AM loop antenna for the best | |
75Ω UNBAL. | ||
reception. | ||
ANT | ||
FM |
|
Ground (GND terminal)
For maximum safety and minimum interference, connect the antenna GND terminal to a good earth ground. A good earth ground is a metal stake driven into moist earth.
Notes
PREPARATION
1 | 2 |
|
|
| 11 | (7/16) |
|
| 8 | (5/16) | Unit: |
| 6 | (1/14) | mm (inch) |
Open the cover of the | Cut the external sleeve | ||
included | of the | ||
antenna adapter. | cable and prepare it for | ||
| connection. |
| |
3
Lead wire
Cut the lead wire and remove it.
4 |
| 5 |
Clamp | Clamp with |
|
with | pliers. |
|
pliers. |
|
|
| Insert the wire | Snap the cover into |
| into the slot. | place. |
|
|
Insert the cable wire into the slot, and clamp it with pliers.
•The AM loop antenna should be placed away from this unit.
•The AM loop antenna should always be connected, even if an outdoor AM antenna is connected to this unit.
A properly installed outdoor antenna provides clearer reception than an indoor one. If you experience poor reception quality, an outdoor antenna may improve the quality. Consult the nearest authorized YAMAHA dealer or service center about the outdoor antennas.
FREQUENCY STEP switch (China and General models only)
Because the
North, Central and South America:
100 kHz/10 kHz
Other areas: 50 kHz/9 kHz
Before setting this switch, disconnect the AC power plug of this unit from the AC outlet.
English
13
