Comtel AGM Sentinel Operating Instructions

Changing the Batteries in the Satellite Transponder
• The unit will send an alert indicating the batteries are low.
• To replace the batteries in the transponder, shut the unit off
using the power button on the side.
• Unscrew the four (4) Phillips head screws to remove the
transponder from the base plate.
• Gently unplug the communication cable.
• Unscrew the six (6) flat-head screws on the battery
compartment cover.
• Remove the cover and replace batteries with four (4) Lithium
AA batteries and insert them as shown on the battery
compartment.
• Make sure the black gasket surrounding the battery
compartment lays flat in it's groove before replacing the
battery compartment cover.
•
Replace the cover, insert and tighten all six (6) flat-head
screws. DO NOT OVERTIGHTEN.
• Tighten screws to 36 in-oz torque. (25 N-cm)
• Plug the communication cable into the unit and then replace
it on the base plate using the four (4) Phillips head screws.
• The recommended batteries are Energizer L91 Ultimate
Lithium AA batteries.
• DO NOT USE ALKALINE BATTERIES.
Operating Instructions for
AGM Sentinel
Comtel Systems Ltd.
12005 149 Street NW
Edmonton, AB T5L 2J2
780-455-1945
www.bestpigtracker.com