Alto MOD-800H, Руководство по обслуживанию

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6). Functions test:
a). Sw itch the C H /O N key to corresponding channel, the SELEC T has
corresponding variations.
b). Sw itch the C H /O N key to Lock status, the SELEC T function key is
ineffective; at this tim e, it needs to sw itch the C H /O N key to U N Lock
status, then the SELEC T key can w ork norm ally.
c). O n the standby condition, press SELEC T key for 2 seconds, the
m icrophone w ill m aintain M U TE m ode, at this tim e, all function keys w ill
be out of control, the TO N E has no output. Press the SELEC H key for 2
seconds to activate the unit or press the C H /O N to turn off the
m icrophone.
7). D isplay test: w hen sw itch the function key, the display screen w ill appear
corresponding variations. O bserve w hether the display screen is norm al
or abnorm al.
8). Low voltage test: w hen voltage is 2.0V±0.2V, the display screen w ill show
low voltage; w hen the voltage is below 1.8V, the unit w ill turn off
autom atically.
9). Total current consum ption: w hen the pow er setting is PL2, the current
consum ption is less than 125m A.
10). Turn off the pow er supply (press the O N /O FF for 2 seconds),the LED
w ill light up, after the LC D displays C H , the LED w ill extinguish.
11). C harge test:
a). W hen the unit is charging, the current is 135m A±15m A.
b). W hen the unit is charging, the battery sym bol on the LC D display screen
w ill flicker up and dow n.
c). D uring charging, the voltage of battery has rise trend. (increase)
N ote:
1. W hen the unit is charging, it m ust be added the load (battery).
2. Please use the professional battery charger.
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