
5.
SYS=M ~T ~tsb:
This mmentary COntact wahtitton is used to
ititiate a system test.
The t-t is conducted as follows:
a.
~ld t~ ~t~ areased: All Of the front ~el LEDs and d i S-
plays will be turned on to enable user verification of
their _
operation.
b.
R~eaae the Wtton: A SYSTSM TEST message will be sent to all
printers, the cmp~sr (M used) and.the display (See Section ~
E 2). This ~lws a check on all of these devices.
c. Within 10 seconds, all inaoti - ~one lti- till be tested
(See Section VIII B 7 c).
6.
Smwm mm Smm:
This mmentary contact ~shbutton is used to
sflsnce the receivers alert tone ad dso cancel the rmote ~ert (if
used. ..See Section III D 5).
If multiple signals come within 10
seconds of each other, the ~ert will not r-sound.
The volme of the alert tone can be changed by adjusting a wten-
timeter tit~n the receiver, ~ong its right edge (See Diagram 3).
The alert tone will sound for ea& of the follaing conditions:
a.
Each time a massage is received.
b.
Failure or restoral of any of the parimeral devices (printers,
com~ter ), battery, or A.C. power.
c. Whenever a message remains on the tisplay for more ttin 30
seconds tith the (message) WA~~G ED on.
This TONE
SWVSS to
remind the o~rator that there are more messages stored in the
No. 6851s memory.
7.
-A= ~E ~: These 8 display lights can be asi~ed to specific _
dam codes (LOW SPEED Ad~co stmdard, Radiotics, and S=COA fomata )
and/or Channel nmters (~~ SPEED A@m@ , Derived c~nnel, Or Long
Range Radio fomat ) by the progra~ng of the option PROM chip fur-
nished with the No. 685.
Stsndsrdiced alarm ondes and/or channel
nmbers must be used for all phone lines (line cards) so progsmmed.
For enmple, coda 1 could mean BURGLAR AMRM fm all LW SPEED ~m-
m~icators. -d 1 could also mean the same thing, or smsthing
different (e.g.: FIRE ALARM), for all HI~ SPEED communicators. For
full information, see Section VI A 1.
The -SAGE TYPE LEDs are
designated:
HOLD-UP
LOW BATT.
FIRE ALARM
OPENING
BURG. ALARM
CLOS~G
R~TORE
~ST
a.
VALD L~
When lit, indicates that the m~sa~ on the display
is a verified message.
b. WA~~G LSD: When lit, indi=tee that at least one msesa& is
conttined in the intern~ m-ory of the No. 685.
It is intended
to warn the operator tbt there are more messages to be copied
when the WUAL mode is being used.
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