TB 55-4920-428-35
(26) Set TI POWER to ON.
(27) Digital multimeter will indicate between 11.88 and 12.12 vdc. Record reading. TI will indicate the reading within
0.2% plus 10 counts of meter fluctuation of the digital multimeter recorded in Step (27). If not, perform b(5) below.
(28) Set TI POWER to OFF.
(29) Disconnect digital multimeter lead from TI terminal board TB 4-11 (HI) and reconnect to TB 4-6 (HI).
(30) Set TI BITE switch to 5 v position.
(31) Set TI POWER to ON.
(32) Digital multimeter will indicate between 4.75 and 5.25 vdc. Observe indication on TI DVM between 4.75 and
5.25.
(33) Set TI POWER to OFF.
(34) Disconnect digital multimeter leads (B6) from TI terminal board TB 4-6 (HI) and TB 4-5 (LOW) and reconnect to
EXTERNAL METER jacks, using leads (B7) and (B8).
(35) Connect Electronic Counter (A3) leads (B3) to the digital multimeter leads.
(36) Set digital multimeter RANGE switches to 20 vac.
(37) Position TI controls (a) thru (c) as follows:
(a) EXTERNAL METER SELECT to REF and SYSTEM SELECT to BITE.
(b) BITE to 13 RMS.
(c) POWER to ON.
(38) Digital multimeter will indicate between 12.97 and 13.20 vac. Record reading. TI DVM will indicate
the reading within 0.8% plus 4 counts of maximum meter fluctuation of digital multimeter reading recorded in
step (38). If not, perform b (6) below as shown in figure 2. (Modified Test Set).
(39) Electronic Counter will indicate between 395 and 405 Hz.
(39A) Set TI Power to OFF.
(40) Set digital multimeter RANGE switches to 20 vac.
(41) Position TI controls (a) thru (f) as follows:
(a) SYSTEM SELECT to BITE.
(b) EXTERNAL METER SELECT SAS1 to SELF FDBK.
(c) BITE to SAS1 SELF.
(d) POWER to ON.
20
Change 2
