User's Manual

Chapter 11 - External devices - 129

Operating sequence

Test with GPS module can be carried out with K4 b

system in Holter Data Record or

Telemetry Data Transmission mode only. In addition to the Operating sequence of this

mode you must carry out the following operation.

Run a test with GPS

1. Connect the receiver antenna to the Portable Unit plugging phone jack into the

RS232 port at the bottom of the PU.

2. Select Settings then External device and press Enter.

3. Enable the GPS option by moving the “*” sign on GPS and press Enter to confirm

settings.

4. Check the GPS module functionality choosing Calibration then GPS Control and

press Enter. Display will show latitude and longitude.

5. With the use of Up and Down key verify that the displayed altitude value (Alt) is

different from zero. In case displayed altitude value is fixed on zero, please be sure

that the antenna receiver is well plugged in, the “sky” is visible and wait until the

Altitude value is shown.