HM Electronics Inc BS500 ユーザーズマニュアル

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V. 
IN CASE OF PROBLEMS 
 
PROBLEM  
PROBABLE CAUSE 
SOLUTION 
Power may be off at base 
station. 
Check circuit breaker for 
building. 
Power supply in base 
station may not be 
working. 
Check power supply 
indicator lights on base 
station.  If no light is 
lit,  
be certain AC power adapter 
is plugged into AC 
electrical outlet and is 
connected to J16 on base 
station audio circuit 
board. 
Headset power may not be 
on. 
Press Power ON/OFF button 
on headset.  Be certain 
power light goes on. 
Volume may not be set 
correctly. 
Adjust headset volume with 
Volume-up and down buttons. 
Battery may be low or 
defective.  
Check Power light.  If not 
lit, replace battery. 
No sound is 
heard in 
headset when 
you press 
button A and 
speak into 
microphone. 
Headset may be defective. 
Use another headset.  Call 
HME. * 
Headset power may not be 
on. 
Press Power ON/OFF button 
on headset.  Be certain 
power light goes on. 
Battery may be low or 
defective.  
Check Power light.  If not 
lit, replace battery. 
Channel A or B light on 
base station does not 
light when headset button 
A or B is pressed. 
Use another headset.  Call 
HME. * 
Headset channel 
A or B is not 
working. 
Frequency settings may be 
wrong. 
Call HME. * 
Outbound sound 
is too low. 
Outbound volume may be set 
too low for environment. 
Turn outside speaker volume 
control, R59 on base 
station audio circuit 
board, clockwise until 
volume is satisfactory. 
System may be set for 
speed-team operation. 
Be certain SPEED TEAM 
button on base station is 
in out (OFF) position. 
There may be loose wires 
on outside speaker or base 
station circuit board. 
Check outside speaker wire 
connections in base station 
and at outside speaker. 
No outbound 
sound; Customer 
cannot hear 
anything. 
Speaker or base station 
may be defective. 
Call HME. * 
System may be set for 
speed-team operation. 
Be certain SPEED TEAM 
button on base station is 
in out (OFF) position. 
Customer cannot 
be heard in 
push-to-talk 
(PTT) 
operation. 
Base station may be set 
for wrong drive-thru mode 
(full or half-duplex). 
Check S6 DIP switch #1 at 
bottom of base station 
audio circuit board.  It 
should be ON for full-
duplex, OFF for half-duplex 
operation.