Product manual

Equipment for these Procedures
109
Appendix D: Setting Model 6 and
Model 26 Audio Levels
This procedures presented here will guide you quickly through setting the receive and
transmit FFSK levels for a typical Model 26/Model 6 Fire Alerting system. In an effort to
promote clarity, the level setting procedures are presented in two formats. The first
version is written for a radio-based system. The second version is written for a wire line-
based system. This procedure starts with the alignment of the Model 26 Dispatch Panel,
since there may be more than one Model 6 Station Transponder to align.
These level adjustment procedures deal only with the setting of FFSK levels to ensure
reliable communications between the Model 26 and the station transponder units. A brief
procedure for adjusting the voice audio levels going to the PA amplifier at the station
house is provided at the end of this appendix.
Note
The procedures provided here only cover setting the FFSK levels
to ensure reliable data packet communication between the
Model 26 and the station transponder units. Once this is done,
you may still need to adjust the voice audio levels on one or
both ends in order to clearly understand announcements made
over the system.
Equipment for these Procedures
Verify that the following equipment is available for performing these procedures:
• A small flat-bladed screwdriver or an adjustment tool suitable for turning
miniature potentiometers in both the Model 26 and the Model 6
• An oscilloscope, actually you may want two of them, one at the Model 26
location and one at the Model 6 location