Bottom View - AOR ARD9800 Operating Manual

v. Battery operation selector
Place the jumper between 1 – 2 (NOR) for normal operation. Change it
between 2-3 (BATT) for battery operation.
Warning: If you have changed the internal jumper for low-voltage battery
operation, battery voltage must be within the range of 5.6 ~ 6.5 VDC. DO NOT
apply 12.0V or severe damage will result, and the warranty will be void!
Note: There is no low battery voltage detector built-into the ARD9800.
w. Internal speaker setting
Jumper setting
1 – 2
2 -- 3
Note: The SP OUT (external speaker output) has priority regardless of the
above jumper setting.
x. Output level setting
Jumper setting
1 – 2
2 – 3
Refer to Presetting - Microphone Level at page 16 for details.

Bottom View

y. Output Level Adjustment
Refer to Presetting - Output level to Radio Transceiver at page 15 for
details
Activates internal speaker (default)
Disable internal speaker
Speaker output is available from the pin #1 of the microphone
Connector.
Normal level (default) (LOW)
High level (HIGH)
In case the microphone output level is too low to drive your radio
equipment, place the jumper to the 2-3 position.
y
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