7-14 Adjustments 8525B/8528 Technical Service Manual
Issue 6 Publication No: 15-02036
7.3.17 Selective Call Code Setting (8525B)
When any of the selective calling options are fitted, identity code switches
within the unit (refer to Figure 7.2) must be set. With Options SE2 or SDE,
both the self ident and the called address (i.e. the identification of the station
it is intended to call) are set entirely on the internal switches. With Options
SDEM or SM the self identification is set on the internal switches but some
or all of the called address switches are duplicated on the front panel of the
unit or the control head. This allows the operator to control at least some of
the digits in the called address. With these options, therefore, only those
switches not duplicated on the front panel need be set. The front panel
switches always control the lower order digits leaving the higher orders to
be set on the internal switches, e.g. if there are two switches on the front
panel they will control the units and 10’s leaving the 100’s and 1000’s to be
controlled by the internal switches. In most cases all four digits are
controlled from the front panel.
Figure 7.2 Selective Call Settings
The switches can be set as follows:
1. Remove the transceiver bottom cover by unscrewing the two retaining
screws (one on either side) and lifting it clear of the main assembly by
raising the rear edge of the cover first.
2. Locate the Selective Call PCB 08-03300 or 08-03303 and identify the
code switches shown in Figure 7.2.
3. Set the self ident switches to the digits of the identification number of
the local station.
Note: Codes ending in ‘00’ should not be used since they are reserved
for operation of the group call facility.
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