User's Manual

Table Of Contents
TDFM-136B Operating Instructions 08RE399
SECTION 4
APPEND ICI ES
The appendicies contain information referred to from the main document.
4.1 Appendix A. Installing the Jumper for Restricted Level Access.
To do so refer to figures 4-1 and 4-2, and follow these steps:
1. Ensure that the power to the unit is off.
2. Remove the left hand side cover (10 philips screws)
3. Locate the 6 pin jumper field (approximately half way between the front and rear of the
radio).
4. Place a 0.1” shunt on the set of jumper pins closest to the front of the radio.
The user can now select level 4 (maintenance mode).
Figure 4-1. The Screw positions to Remove the Left Hand Side Panel
Figure 4-2. The Shunt Position to Enable Level 4 Access
NOTE: Jumper access to this command level MUST BE DISABLED when the radio is used in flight.
Restricted commands are NOT required for flight operation.
Use of restricted commands in flight may cause data loss or lock the transceiver.
Technisonic Industries Ltd. 59
Place shunt on Jumper closest to front