Installing The Optional Sim Card - Javad ALPHA Operator's Manual

2.2. Installing the Optional SIM Card

The SIM card provides telephony communication for data transfer between two GSM-capable
receivers. The SIM card can be purchased at your local cellular phone supply store. Once
installed, the card generally remains installed.
The SIM card must support Circuit Switched Data to communicate directly between receivers.
The SIM card must have GPRS support to communicate with a GPS Network IP address.
Note:
Both the Base and Rover receivers must have a SIM card installed (supporting Circuit Switched
Data) and have subscriptions to the same service provider for proper communication.
To install the SIM card:
1. Ensure the receiver is turned off.
2. Open the front of the case screwing off 2 self taping screw (Figure 2-1)
SIM Card
3. Carefully insert the SIM into the SIM card holder, label side up, and push it forward to
lock it well.
4. Close the case.
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Figure 2-1. SIM Card Installation
Pre-measuring Preparation
Installing the Optional SIM Card
Installing ModemVU
Card Locked
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