Pentax ist DL Service Manual page 35

(5) Install bottom cover and battery cover
(TY 4.5mm)
14-2. Power check
(1) Connect DC code to the Regulated DC power supply, set DC 6.5V (3A)
(2) Connect DC code to the camera
(With this condition, the consumption current should be 40~50mA)
(3) Disconnect the DC code from camera
14-3. Writing FW
* In this step, the connection of each circuit board and the output of a video signal are confirmed
by writing FW.
* When the FW writing is done, the menu setting, the custom function setting, the language
setting, and the date setting are initialized.
[CAUTION]
1. Rewriting the FW (Firmware) is necessary whenever 0-T100 is replaced.
2. Always use the latest version FW whenever writing the FW.
3. Never install or remove the SD card while turning the camera's power ON as this may cause
the SD card or camera to be damaged and become unusable.
(1) Insert the SD card (for writing FW) into
the camera
(2) Connect the video cable and AC adapter to
the camera.
(3) The version of CPU/DSP will be displayed on
the TV monitor
[NOTE] If you want to cancel writing firmware,
disconnect AC adapter and eject the SD card.
(4) Remove the SD card when the message as >>> EJECT SD CARD <<<
is displayed, and then the loading of firmware will be started.
Wait 90 sec. until the loading is finished.
[CAUTION] Do not turn OFF the camera while loading firmware.
(5)
A73
76570EM 34
A67
(5mm)
DETECTED BOTH F/W FILE
NOW LOADING
DETECTED FIRMWARE FILE
COMPLETE LOADING
------- CPU --------
CURRENT VER.1.00.00.00
UPDATE VER.1.00.00.10
======= DSP ========
CURRENT VER.1.00.00.00
UPDATE VER.1.00.00.10
>>> EJECT SD CARD <<<