User's Manual

CHAPTER 4: PRODUCT INSTALLATION
2003 IPMobileNet, Inc. 18 IPSeries MR User Manual / Rev. A / 04-September-03
Adjusting the Power
The power output of the base station will depend upon whether it will be used to drive an external power
amplifier or transmit directly over-the-air.
! In either case it is important to measure and set the transmitter power output using a wattmeter
and dummy load before connecting it to the power amplifier or antenna system.
The base station power is adjusted mechanically by tuning a potentiometer (pot) on the bottom of the
base station. Depending upon the model, this pot can be reached through an access hole in the bottom
cover on either the exciter board or power amplifier board. Figures 8, 9, and 10 display the Power
Adjustment Potentiometer location for the IP1B, IP4B, and the IP8B.
1 Do not use a metal tool to make this adjustment, only use non-conducting alignment tools.
Equipment will be damaged if this warning is ignored.
Figure 8: Power Adjustment Potentiometer Location for the IP1B
Figure 9: Power Adjustment Potentiometer Location for the IP4B