User manual
IMPACT MK3 Hand Held UHF Paging Transmitter 
HHTXMK3  Issue 1 
  7 
Mode 5 All Alarms Active with Short Countdown 
The motion sensor “no movement” period is preset to a short time (refer to your 
distributor for the actual time period set). All other alarms are active. 
Mode 6 All Alarms Active with Medium Countdown 
As above with medium preset motion sensor “no movement” period (refer to your 
distributor for the actual time period set). All other alarms are active. 
Mode 7 All Alarms Active with Long Countdown 
As above with long preset motion sensor “no movement” period (refer to your distributor 
for the actual time period set). All other alarms are active. 
Mode 8 All Alarms Active with Short Countdown & Sounder off 
As in Mode 5, but with the warning countdown beeper turned off. 
Programmed Variables 
It is important that the user is provided with a Configuration sheet which details how all 
the various parameters have been programmed. The variable features are as follows: 
a) Trigger time: this is the time that the A & B buttons need to be held in before the 
alarm is sent. The hold time for each button can be preset between 0.1 and 9.9 
seconds. 
b) Messages: unique text messages can be programmed for each alarm zone (up to 65 
characters). In addition, a User name of up to 13 characters can be entered. This User 
name will precede the zone message when displayed on a pager e.g. “Fred Smith: 
Emergency Code Red” 
c) Sounder: for each alarm zone, the sounder can be programmed as Off, Normal or 
Quiet. 
d) Motion sensor sensitivity: this can be preset as Fine, Normal or Coarse. 
e) Motion sensor “no movement” time: this can be preset as Short, Medium or Long. 
Short = 5-29 seconds. Medium = 30-120 seconds. Long = 3-30 minutes. 
f) Motion sensor “warning” time: this is the beeper warning time before the alarm is 
transmitted, settable as 10, 20 or 30 seconds. 
g) Repeat transmissions: for the A & B buttons, repeat calls can be preset between 
1-999. 
h) Test calls: the unit can be programmed to send Test calls at preset intervals between 
10-50 minutes (with 10 minute increments) and 1-24 hours (with 1 hour increments). 
i) Reset: both the lanyard & motion sensor can be programmed to send a Reset 
transmission upon de-activation (i.e. when the lanyard pin is replaced or when motion 
resumes). 
J) Motion sensor Off warning: if the user selects a mode where the motion sensor is 
disabled, the unit can be programmed to beep every 5 minutes as a reminder that the 
sensor is disabled. 
Please refer to your distributor for details of how these variables have been set on your 
unit(s). A sample Configuration Sheet is included in Appendix A of this manual. 










