WRITE DATA MODE

TM 11-6625-3024-14/EE641-AC-MMA-010/E154 SYSEX/10 33AA50-5-1-1

10. Verify that STATUS INDICATOR-BOT

Note

indicator is lit. If indicator is not lit, press MOTION

CONTROL-REWIND switch. STATUS lNDlCA-

If tape is allowed to run to EOT,

TION-IN REWIND indicator will Iight and READY

Exerciser will automatically rewind the

indicator will extinguish while tape is in rewind

tape to BOT.

motion.

6. Press DATA CONTROL-WRITE switch.

Note

Verify that indicator extinguishes.

Transport motion cannot be inter-

7. Press REWIND.

rupted while tape cartridge is rewinding

(IN REWIND indicator lit).

3-6. WRITE DATA OPTIONS

When transport tape cartridge has rewound to

beginning-of-tape, the IN REWIND indicator will

The following options are available in the Write

extinguish and the BOT indicator will light.

Data mode. Any one of the options can be selected

in conjunction with the WRITE switch as described

in paragraphs 3-7 through 3-10.

3-5. WRITE DATA MODE

Write Data mode produces continuous or block

3-7. BLOCK MODE

data for recording on the transport tape.

Produces data in 256 byte or 4K byte blocks.

Each block is ended with a CRC (CYCLIC RE-

1. Ensure that Exerciser is in the Standby mode

DUNDANCY CHECK) and LRC word.

(see paragraph 3-4).

1. Ensure that the Exerciser is in the Stand-

2. Select the WRITE DATA to be recorded on

by mode (see paragraph 3-4).

tape. The WRITE DATA SWITCHES (PAT. /0/1)

provide individual track selection of data. All

2. Set the DATA CONTROL switches as

tracks can be set to same data (encluding parity in

follows:

ALL 0) by pressing ALL 0, ALL PAT., or ALL 1

pushbutton switches. The WRITE DATA indi-

- OFF

CONT. READ

cators will light to indicate the type of data selec-

REPEAT ON ERROR

- OFF

ted for each track.

4K BLOCK

- OFF

SHIFT ONES

- OFF

3. Press DATA CONTROL-WRITE switch.

BLOCK MODE

- ON

WRITE

- ON

4. Press MOTION CONTROL-RUN FORWARD

switch. Verify that the STOP and WRITE RESET

3. Press MOTION CONTROL-RUN FORWARD

indicators extinguish and RUN FORWARD indi-

switch. Verify that the STOP indicator extin-

cator lights.

guishes and the RUN FORWARD and WRITE

RESET indicators flicker.

Continuous data will be recorded on transport

tape in this mode. Errors (parity errors) will be

Data will be recorded on transport tape in 256

counted and displayed on the SOFT ERROR

byte blocks. Errors (parity errors) will be counted

digital display while the transport is in write mode.

and displayed on the SOFT ERROR digital dis-

While the transport is in motion, no other control

play. While the transport is in motion, no other

(data or motion) can be changed until the trans-

control (data or motion) can be changed until the

port motion is stopped.

transport is stopped.

5. Press STOP switch to stop transport motion.

4. Press STOP switch to stop transport motion.

Verify that the STOP and WRITE RESET in-

Verify that the STOP indicator lights and the RUN

dicators light and RUN FORWARD indicator

FORWARD indicator extinguishes.

extinguishes.

3-13