18
SL2
GL6
0,1m2
>> 1.5 m
>> 1.5 m
>> 1.5 m
SL2 v. 2.01 EN
Service
*** Microphone check
1.
Call in to the SL2 and press the following numbers on the caller’s
phone. First press “4” for manual switching of microphones.
2.
Press “7” to activate the cabins microphone.
3.
Press “*” activates microphone of the caller.
If you can speak through the microphones the hardware is OK.
** Noise check
1.
Power up the unit.
2.
Press “0” on the key board.
3.
Wait for dial tone.
4.
Press a number on the keyboard.
5.
The dial tone stops and you hear silence.
6.
When you hear noise or humming, the problem may be due to
induction in the phone cable.
7.
Press “#” to hang up.
According to the phone companies’ regulations, the phone line
must be installed in a separate cable.
Redirect the cable by changing it’s position or finding another
pair that is free of distortion or use shielded pair when availably.
When none of these solutions apply, install a separate cable for the
telephone line.
* Telephone line check
1.
Power up the unit.
2.
Press “0” on the key board
3.
Wait for dial tone.
4.
Call to another telephone and make a normal conversation.
5.
Press “#” to hang up.
If one of these steps is not successful the problem may not be
with the unit but due to incorrect wiring or a faulty or a faulty or
missing telephone line. Final check can be done with connecting an
analogue telephone system parallel on the line for testing by calling
with this system.
GSM noise.
Change the antenna position when a call is connected until you
find the optimal antenna position. Do not install the antenna near
the main unit or close to the wiring. Normally the GSM unit,
antenna and SafeLine should have a distance in between of 1,5m.
Troubleshooting
