(appl) < (Indicates that you are in the applications menu). SOI menu will look like this: Qref Group Net Sufx Pyro Tmpd Set C/ S Find Memo f. Using the arrow keys, scroll over to Set and press the enter button on the keypad. g. In the Set menu, press Choose once. Choose Send Receive h. When the Choose menu opens, press the Enter key on the set, either 1 5 or 6 10. i. After you choose the applicable set, the ANCD will return you to the SOI menu. j. Using the keypad, scroll to Tmpd. Enter the number for the set you need that day. After you do this, the ANCD will automatically return you to the SOI menu. k. Using the arrow keys on the keypad, scroll over to Net and press Enter. The Net menu should look like this: T05 < (time period) 1 < (platoon) / A < (company) / A3Q < (prefix).C 60.000. NOTE: Get your frequency and the first part of your call sign from the Net menu. l. After you get the information you need from Net, press the abort button on the keypad to return to the SOI menu. m. Using the keypad, scroll to Sufx and press the Enter button. n. Once you are in the Sufx menu, use the up and down arrow keys on the ANCD to locate your two digit designator. These two digits go at the end of your Prefix and together they are your call sign. o. Once you finish, press the Off button on the ANCD to end operation. 4-4. BASIC TROUBLESHOOTING. You need basic troubleshooting skills in order to correct the simple communications problems that occur during a mission. Being able to quickly troubleshoot can make the difference in successful accomplishment of the mission and mission failure. a. Check Radio Settings. (1) Radio frequency: load proper frequency. (2) Power output: set to HIGH power. (3) Time if using frequency hop (FH): reset time. (4) Crypto fill if using cipher text (CT): reload crypto from ANCD. (5) Control knob: ensure radio is in ON position. b. Check Radio Assembly/ Battery. (1) Check antenna fitting: attach long whip or field expedient antenna (2) Check hand mike fitting: ensure contacts are clean and fitting is properly secured to radio (3) Check battery: install fresh battery c. With line of sight (LOS) radios, you might have to move to higher ground to make radio contact, especially in densely vegetated or uneven terrain. Section II. ANTENNAS This section discusses repair techniques, construction and adjustment, field expedient antennas, antenna length and orientation, and improvement of marginal communications. 4-5. REPAIRS. Antennas are sometimes broken or damaged, causing communications degradation or failure. If you have a spare antenna, replace the bad one. When you have no spare, you [Ranger squad/ platoon] might have to construct an emergency