Operating Manual
Accu-Wave Chapter 9 Security, Service & Diagnostic 
TN Technologies 9-5 
Relay History Logs 
“Relay History Logs” Menu 
Display  Comments 
relay history logs→→ 
 NEXT↓↓ 
Only displayed if relays are installed. Press → to 
access non-volatile logs (saved every hour) of relay 
activity. 
Relay 1 on time 
142.1 hours 
(non-volatile save 
once per hour) NEXT↓↓ 
Cumulative total of “on” time (need not be 
continuous) for relay 1. This menu item is repeated 
for each relay installed. 
Relay 1 has been 
on 25 times. 
(non-volatile save 
once per hour) NEXT↓↓ 
Cumulative number of times relay 1 has been turned 
on (since last time memory was cleared). This menu 
item is repeated for each relay installed. 
Snapshot Menu 
“Snapshot” Menu 
[Service only item] 
Display  Comments 
Snapshot MENU→→ 
 NEXT↓↓ 
[ Service only item] 
Press → to view instantaneous value of various 
dynamic internal parameters. 
Note: The next menu item is repeated for each measurement which has been 
setup using the “Set up additional measurements” menu. 
readout from 
measurement 1 
11.07 ft level 
←←CONT UPDATE→→ NEXT↓↓ 
Provides snapshot of measurement 1 readout. Press → 
to update display. Press ← to switch to continuous 
update mode. Display will then show ←FREEZE. 
Pressing ← again will switch back to “freeze” or 
snapashot mode. This has no effect on the 
measurement display. 
readout from 
measurement 2  
150.8 cu ft 
←←CONT UPDATE→→ 
Displays the present reading from measurement 2, if 
measurement 2 has been set up. 










