External Speaker Unit (HESB) Options
Peripheral Installation
Strata DK40 I&M Manual Spring 1999
6-23
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Amplified Speaker Option
The amplified speaker option enables the HESB to be configured as a paging speaker. The
HESB is connected to 600-ohm page output on the Base Unit to provide an amplified external
speaker.
➤ To install the HESB amplified speaker option
1. Connect a jumper between terminals 1 and 2 of the HESB TB1 terminal block (see
Figure 6-13).
2. Connect a jumper between terminals 6 and 7 of the HESB TB1 terminal block.
3. Connect a jumper between terminals 5 and 8 of the HESB TB1 terminal block.
4. Connect a jumper between terminals 3 and 4 of the HESB TB2 terminal block.
5. Connect a jumper between terminals 5 and 6 of the HESB TB2 terminal block.
6. Connect the DK40 KSU 600-ohm page output (SPT and SPR) to terminals 3 and 4 of
the HESB TB1 terminal block.
7. Connect the power supply’s +12V lead to terminal 1 of the HESB TB2 terminal block,
and connect the 0V lead to terminal 2.
8. Plug the provided power cord into the power supply and to a 240VAC, 50Hz power
source.
Important!
If AC voltage is not within range, have a qualified electrician correct the
problem.
➤ To test the amplified speaker option
1. Make an external page. The page should be heard over the HESB.
2. Adjust the HESB volume control to the desired level
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