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Volume controls – All handsets
Use the SPK (handset speaker) and MIK (handset microphone)to make the required volume
adjustments.
Turn clockwise to increase the volume and anti-clockwise to reduce the volume.
Any problems with feedback (high pitch whistling) must be corrected using these controls.
Fault finding
No call
High pitch whistling (feedback)
No lock release
If the original fault was no lock release for example, and after the 1133/15 Universal handset is fitted
you have the same problem, then the fault lies elsewhere in the system.
In this case do not contact Urmet Technical Support.
Change the JPA jumper position
Adjust the handset MIC and SPK controls
Check the jumper between terminals 6 and 10 is in place
8
URMET COMMUNICATION
AND SECURITY UK LTD
Urban Hive, Skyline 120,
Avenue West, Great Notley,
Essex. CM77 7AA
www.urmet.co.uk
technical@urmet.co.uk
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