Table of Contents
Advertisement
Top Panel
s.
Internal speaker
Internal View
t.
Factory setting jumper (JP 8)
Must be set between 2-3. (Do not change this setting at any time.)
u.
Memory module
Optional memory module for use with Digital SSTV functions.
v.
Battery operation selector (JP 3)
Place the jumper between 1 – 2 (NOR) for normal operation.
Change it between 2-3 (BATT) for battery operation.
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 ARD9900.
w.
Internal speaker setting (JP 6)
Jumper setting
1 -- 2
Activates internal speaker (default).
2 -- 3
Disables internal speaker and enables output from pin #1 of the
microphone connector. Use this position when using the speaker of the
speaker microphone provided.
Note: The SP OUT (external speaker output) has priority regardless of the
above jumper setting.)
s
t
w
v
u
x
Advertisement
Table of Contents
