Ranger Electronic Communications Inc TRE-SBMD 用户手册
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INSTALLATION
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4. If you’re having difficulties in adjusting your antenna, check the following:
a. All doors must be closed when adjusting the antenna.
b. Make sure the base of the antenna is grounded.
c. Check your coaxial cable routing (it may be pinched when routed into the car).
d. Try a different location in your car (keeping in mind the radiation pattern you wish.)
e. Is the antenna perfectly vertical?
f.
Try a different location in your neighborhood. Stay away from large metal objects
when adjusting (metal telephone polls or light post, fences, etc.)
when adjusting (metal telephone polls or light post, fences, etc.)
NOTE
The transceiver will operate into an SWR of 2 to 1
indefinitely and sustain an SWR of 2:1 for a maximum of
5 minutes at rated operating conditions.
indefinitely and sustain an SWR of 2:1 for a maximum of
5 minutes at rated operating conditions.
EXTERNAL SPEAKER
The external speaker jack (EXT SP.) on the rear panel is used for remote receiver
monitoring. The external speaker should have 8 ohms impedance and be able to handle at
least 4 watts. When the external speaker is plugged in, the internal speaker is disconnected.
least 4 watts. When the external speaker is plugged in, the internal speaker is disconnected.
PUBLIC ADDRESS
To use the transceiver as a public address system, connect an external 8 ohms speaker (4
watts minimum) to the PA. SP. jack located on the rear panel. Direct the speaker away
from the microphone to prevent acoustic feedback. Physical separation or isolation of the
microphone and speaker is important when operating the PA at high output levels.
from the microphone to prevent acoustic feedback. Physical separation or isolation of the
microphone and speaker is important when operating the PA at high output levels.
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OPERATION
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FRONT PANEL
1. MICROPHONE JACK: Used to connect microphone for voice source.
2. RF GAIN CONTROL: This control is used to reduce the gain of the RF amplifier
2. RF GAIN CONTROL: This control is used to reduce the gain of the RF amplifier
under strong signal conditions.
3. MIC GAIN CONTROL: Adjusts the microphone gain in transmit and PA modes. It
controls the gain to the extent that full talk power is available several inches away
from the microphone. In the Public Address (PA) mode, this control functions as the
volume control.
from the microphone. In the Public Address (PA) mode, this control functions as the
volume control.
4. DISPLAY SELECT: This is used in conjunction with the Meter Mode to select the
different types of meter to be used as a display.
5.
DIMMER CONTROL:
This Push Switch controls the level of brightness for the
display lamp and channel display.
6. REVERSE |__: This Push Switch has dual function; it is used to scroll back songs
from the Music List or to select previous track. In addition, this switch is used to scroll
back pictures from the USB stick or SD card.
back pictures from the USB stick or SD card.