USER INSTRUCTION MANUAL
Page 40 of 49 ENGLISH
Software Related
Advisory
Messages
Explanation Suggested Action
Warn: S1<
230ms!
Warns user that pacing has commenced
at < 230 ms. Sound alarm associated.
Proceed if pacing at S1 < 230 ms
intended.
Train Done Informs user that TRAIN number of S1
stimuli has been completed - only in
BURST and OVERDRIVE BURST
protocols.
Nil required.
"Waiting for ECG
Sync"
Start of pacing pending the arrival of QRS
sync from ECG channel. Subject to ‘Sync
Timeout’ below.
If poor QRS sensing, adjust ECG
gain or ECG / IECG source for
better sensing. Use external ECG
for sensing whenever available.
Sync Timeout! Sync_To parameter set and pacing
commenced but no QRS detected for >
Sync_Timeout seconds, set by Config Var
8.
Nil required.
[INS] sets S1 Reminder message on entry to SNRT
protocol that user may access SRNT table
by pressing INS key.
Press INS if wish to adjust table of
SNRT S1 values.
Ectopic->Trigg When ‘Prematures Detect’ is enabled,
notifies user that an Output Sync (trigger)
pulse has been sent in response to an
Ectopic beat.
Nil required.
EB,[Esc]toTrigg When ‘Prematures Detect’ is enabled and
set to Single trigger only, this message
appears with the 2
nd
and subsequent
detected ectopics not causing a Sync
Output to remind user that pressing Esc
re-arms the Sync Output.
Nil required.
Use ESC User using wrong keys to try to exit -
needs to use Esc key the displayed menu.
Press ESC key.
Stuck key Same key pressed more than 30 times in
rapid succession - i.e. pressed
continuously.
Release key or service keyboard
if faulty.
Burst Key Lock! Key pressed while Burst pacing at S1<
100 ms. Must stop pacing to change
parameters. After three consecutive key
strikes, a text message appears instead.
Stop pacing to change parameter.
Upper RR Limit:
xxx
In Rsynced_SX protocol, [RR interval less
His_Coincident_S2] exceeds a pre-set
maximum xxx (typ 1060ms).
If under-sensing SVT, adjust ECG
source to improve QRS detection.
S2 = RR – xxx In Rsynced_SX protocol, indicates
calculated S2 value.
Nil required.
90% RR = xxx Displayed when F9 pressed, indicating
calculation of S1 as 90% of measured RR
interval.
Use calculated interval if correct.
Invalid RR Appears in Burst, Overdrive, Rsynced_SX
protocol when measured RR interval
outside of valid range – usually due to
under or over-sensing.
Correct ECG sensing.
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