TB 9-6625-2317-40
b. Connect TI to a 115 V ac source. Press POWER pushbutton to ON and allow at
least 30 minutes for stabilization.
c. TI will automatically do a self-calibration. Upon completion, the display should read
SEARCHING on the screen.
d. Press TI pushbuttons #, 0, and 1. All TI LEDs on front keys, the FREQUENCY,
LEVEL/DATA ENTRY, and Ć LEVEL displays at top of front panel should be fully
illuminated.
e. Press CLEAR/LOCAL pushbutton, the display should read SEARCHING. The TI
is now ready for calibration.
8. Internal Reference Oscillator
a. Performance Check
(1) Connect frequency counter A input to TI 10 MHz REF INPUT/OUTPUT
(2) Frequency counter indication will be 10 MHz +10 Hz; if not, perform b below.
b. Adjustments. After a 2 hour warm-up, adjust TI 10 MHZ FREQUENCY
REFERENCE ADJ (fig. 1) for 3 Hz. Wait 24 hours and verify TI is within 3 Hz.
Figure 1. Rear Panel.
9. Carrier Frequency
a. Performance Check
(1) Connect equipment as shown in figure 2.
(2) Press TI pushbuttons (on) as follows:
(a) LEVEL DISPLAY FM.
(b) LEVEL DETECTOR MODE PK-PK/2.
(c) FREQ DISP RF.