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Security
The Reference 5 S2 has the capability to lock the front panel buttons, turn off the front panel IR receiver, and
lock the memory so it cannot be changed. If the front panel IR receiver is turned off, it will also disable a key-
pad or IR sensor if a keypad or IR sensor is being used.
Selection
Options Definitions
Memory Lock - YES or NO = Locks all personal settings from being changed.
Front Lock - YES or NO = Locks all front panel operation.
IR Lock - YES or NO = Disables all IR communication to the preamplifier
RS-232
The main RJ-45 jack can be enabled or disabled. The baud rate can be adjusted. For best operation the
baud rate should be left at 9600. The Echo/Update feature can be toggled on or off. Echo and Update will
either echo an RS-232 message received or send out an update message indicating the unit has made a
change. The transmit and receive ID’s can be adjusted for operating with RS-232 controllers. B&K provides
all RS-232 serial codes for use with RS-232 controllers. These documents in .pdf format can be found on our
website at www
.bkcomp.com/support.
TROUBLESHOOTING
Note: If Preamplifier continues to blow fuses DO NOT REPLACE WITH HIGHER VALUE!. Contact B&K
customer service.
16
ADVANCED MENU
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
No sound
Display will not light.
1. Power cord not plugged in.
2. Power off at AC source.
3. AC power inlet fuse blown or
faulty. Power switch in off position
(out).
4. Blown line fuse.
1. Reconnect power cord.
2. Check AC switch or fuse.
3. Push in power switch.
4. Replace line fuse with .5A 250V Fast Blow
fuse.
No sound
Display on.
1. Preamplifier is in mute.
2.