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u.
Optional Memory module connector
Insert an optional Memory module to use Digital SSTV functions.
Refer to Memory Module Installation Manual for details.
v.
Battery operation selector
Place the jumper between 1 – 2 (NOR) for normal operation.
Change it between 2-3 (BATT) for battery operation.
w.
Internal speaker setting
Jumper setting
1 – 2
2 -- 3
Disable internal speaker
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
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: No low battery voltage detector is built-in the ARD9800.
Activates internal speaker (default)
Speaker output is also 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.
Refer to Microphone Level Adjustment at page 17 for details.
13
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